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Explorez tous les épisodes du podcast DevOps and Docker Talk: Cloud Native Interviews and Tooling

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TitreDateDurée
CI/CD via agent tools: Skills, CLIs, MCP, and more with Semaphore13 Aug 202601:17:24

What does an AI-native CI look like? The Semaphore team joins me to talk about their focus on making your agent harness the gateway to testing, fixing, and deploying your code.

Video podcast version here: https://youtu.be/HzXAdtVrW70


★Show Links★

Semaphore https://semaphore.io/

Semaphore open source https://github.com/semaphoreio/semaphore

SLSA Security Checklist https://slsa.dev/


Creators & Guests


  • (00:00) - Introduction
  • (00:29) - AI Native CI Vision
  • (04:54) - Bret's Update
  • (09:03) - Semaphore AI Journey
  • (22:39) - Open Source Platform Shift
  • (37:28) - Plugins CLI MCP Skills
  • (43:11) - Work Until CI Is Green
  • (45:42) - Test Boxes and Agentic CI Loop
  • (57:39) - Sandboxing and Least Privilege
  • (01:10:12) - Roadmap SLSA and Getting Started
K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo13 Jun 202600:54:59

OpenChoreo is a “batteries included”, AI-native Kubernetes platform stack for Platform Engineers that combines GitOps, Observability, AI Agents, and Workflows into a custom K8s distribution “super pack” that is managed via Backstage, CLI, API, or MCP.

Check out the video podcast version here: https://youtu.be/AqGWjxEfj2g

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.



★Show Links★


Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - MAIN - Video Podcast
  • (00:00) - Introduction
  • (08:29) - What Makes OpenChoreo Different
  • (16:41) - Agents as First-Class Citizens
  • (24:50) - The Future of Agentic DevOps
  • (32:55) - Deploying with Agents: Live Demo
  • (39:26) - Sandboxing & SRE Auto-Remediation
  • (47:03) - Getting Started & Wrap-Up
Docker AI, what’s new with MCP, Agents, Sandboxes, and more07 Apr 202601:16:20

Michael Irwin of Docker joins me to run through Gordon AI improvements, Docker Hardened Images and what's now free, Docker Sandboxes for running agents in proper isolation, Model Runner updates including MLX support on Mac, MCP Toolkit dynamic discovery, and the newly renamed Docker Agent with its GitHub Action for automating PR reviews and docs checks.

Check out the video podcast version here: https://youtu.be/dTF3b36Bq6w

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

★Show Links★

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Introduction
  • (11:15) - Docker Hardened Images
  • (23:02) - Gordon AI
  • (33:23) - Docker Sandboxes
  • (37:38) - Sandbox Demo & Network Security
  • (55:10) - Model Runner, OpenWebUI & MCP Tools
  • (01:06:31) - Cagent, Open Source & The Future of AI in DevOps
Backup S3, Google Drive, iCloud, Notion with Plakar20 Mar 202601:06:53

Bret is joined by the founders of Plakar - Julien Mangeard and Gilles Chehade - to nerd out over backup engineering. The kind where you're building your own file formats and cryptographic layers, not just wiring up cron jobs. We get into how Plakar deduplicates and encrypts at the source so your cloud provider never sees your keys. Also, their snapshot model has no chain dependencies, which means you can delete any backup without breaking the others. We had a fun hour of backup horror stories, ransomware pragmatism, where I'm lobbying hard for a Docker volume integration.

Check out the video podcast version here: https://youtu.be/OPRK5osKQHI

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.



★Show Links★


Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Introduction
  • (02:25) - Backup Engineering
  • (04:50) - Restore First Mindset
  • (06:56) - Plakar's Elevator Pitch
  • (18:24) - Docker and Volume Backups
  • (24:10) - Docker Image Deployment Challenges
  • (26:53) - Backing Up the System
  • (27:56) - Encryption and Architecture Modes
  • (31:57) - Enterprise Scaling and Solo DevOps
  • (33:48) - Ransomware And Encryption
  • (34:27) - Source Side Dedup Demo
  • (37:17) - Chainless Snapshots
  • (39:07) - Sync And Multi Store Copies
  • (41:39) - Crypto Audits And Repair
  • (43:48) - Backup Stress Horror Stories
  • (47:50) - Make Backups Usable
  • (50:00) - Ransomware Detection Heuristics
  • (56:06) - Cloud Native Positioning
  • (59:56) - Kubernetes and Integrations
Your Images are Out of Date (probably) - The Silent Rebuilds problem04 Mar 202600:36:41

Container base images (like Official Docker Hub images) are often updated without new tag versions. I call this Silent Rebuilds. There's no way to know this happens without image digest-checking automation like Dependabot and Renovate with specific settings. Failure to keep up-to-date is a prime source of vulnerabilities that can lead to serious security breaches. Automate the updates!

Check out the video podcast version here: https://youtu.be/z_ahbsSc4Fo

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.



★Show Links★


Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (05:30) - Docker Security and Image Builds
  • (07:56) - CVEs in Containers
  • (09:22) - Where we were
  • (13:09) - Silent Builds and Mutable Tags
  • (16:27) - Docker Official Image Tags Are Rebuilt Often
  • (18:57) - Chainguard's Tool
  • (19:17) - Tag Tracker Tool Overview
  • (23:56) - High Fivers DevOps Group
  • (25:59) - Problem of Silent Rebuilds
  • (34:16) - Post-Stream Updates
AI Wins and Misses for 202517 Feb 202601:14:56

I'm joined by Nirmal Mehta of AWS and Viktor Farcic from Upbound, to go through our 2025 year in review. We look into the AI tools that consumed us this year, from CLI agents to terminal emulators, IDEs, AI browsers - what worked, what flopped, what's worth your time and money, and what we think isn't!

Check out the video podcast version here:
https://youtu.be/mnagfUsh5bc

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.



Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Introduction
  • (04:15) - Game of AI Tools
  • (04:41) - Reflecting on the Fast-Paced Year
  • (05:35) - CLI Tools and AI Integration
  • (07:13) - Ghostty
  • (10:12) - Terminal Preferences and AI Tools
  • (12:16) - Claude Code
  • (14:37) - Skills
  • (25:44) - Warp
  • (33:05) - AWS Kiro and Spec-Driven Development
  • (39:24) - Visual Editors (IDEs)
  • (44:45) - Zed
  • (46:55) - AI Browsers
  • (01:00:36) - Notion AI
  • (01:02:54) - Code Rabbit MCP
  • (01:05:33) - AI Optimization
  • (01:08:25) - Ad Blocking and AI SEO
Find Your K8s Happy Path with RawKode Academy23 Jan 202600:51:12

I talk with David Flanagan, aka Rawkode, about his new opinionated Tech Matrix that helps you navigate the overwhelming CNCF landscape. https://rawkode.academy/technology/matrix

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.



★Show Links★

Check out the video podcast version here: https://youtu.be/1LigTOlFiYk


Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (04:46) - Opinions on HashiCorp
  • (07:17) - The CNCF Landscape
  • (08:46) - Opinionated Tech Matrix
  • (16:11) - Tech Matrix in Detail
  • (26:34) - The Advocate List
  • (27:18) - Cloud Events and CUE
  • (28:35) - SpiceDB and Teleport
  • (30:01) - Service Meshes: Linkerd vs. Istio
  • (30:46) - Kubernetes and CNI
  • (31:41) - Observability Tools
  • (32:22) - WebAssembly and Rust
  • (33:08) - Learning Paths and DevOps
  • (40:55) - Key Takeaways
  • (43:53) - Database Fundamentals
Move K8s Stateful Pods Between Nodes09 Oct 202500:44:42

Bret is joined by Philip Andrews and Dan Muret of Cast AI to discuss pod live migration between nodes in a Kubernetes cluster.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


Cast AI dynamically moves your pod to a different node without downtime or data lost. It copies your running pod data, memory, IP address, and TCP connections from one node to another in real time.

In this episode, we nerd out over how Cast AI works under the hood, use cases for it, including hardware and OS maintenance on a node. I've got a feeling Cast AI has a winning feature on their hands.

★Show Links★
Cast AI website
Cast AI YouTube Channel

Check out the video podcast version here: https://youtu.be/yINNWxRywv4

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Introduction
  • (02:21) - Cast AI Elevator Pitch
  • (05:20) - Stateful Workloads
  • (08:26) - Bin Packing in Live Migration
  • (11:58) - Stateful vs Stateless
  • (14:06) - Networking and Storage Considerations
  • (21:26) - Future Developments and Use Cases
  • (24:06) - ML Workloads
  • (26:48) - Live Migration of Spot Instances
  • (29:24) - Live Migration Process Explained
  • (37:25) - Challenges and Engineering Behind Live Migration
  • (42:19) - Getting Started with Cast AI
Swarm 2030. Let's Go!20 Aug 202500:23:47

Bret discusses exciting news about Swarm being maintained until 2030.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


In this episode, I give an update on the future of Docker Swarm, the renewed long-term support and ongoing development from Mirantis. The news should be reassuring for you, Swarm users. Swarm remains a viable, supported option for your container orchestration needs, at least until 2030.

★Show Links★
Swarm news: Mirantis maintaining until 2030
Awesome Swarm

Check out the video podcast version here: https://youtu.be/tmQbrCrM-yM

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (00:34) - History of Mirantis and Swarm
  • (01:02) - Swarm's Current Status
  • (03:44) - Swarm's Long-Term Support
  • (06:30) - Swarm's Value Proposition
  • (10:48) - Technical Challenges and Solutions
  • (16:10) - Looking Ahead: Roadmap and Commitments
  • (18:49) - Final Thoughts
Is Docker Building the Best AI Stack?12 Aug 202501:05:28

Bret and Nirmal are joined by Michael Irwin to discuss Docker's comprehensive AI toolkit, covering everything from local model deployment to cloud-based container orchestration across multiple interconnected tools and services.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


We run through almost the entire Docker AI ecosystem, including the Model Runner for hosting open-source models locally or remotely, the Hub model catalog, Gordon AI chatbot integration within Docker Desktop and CLI, how MCP toolkit and catalog enable seamless tool integration with local AI systems, Docker's open-source MCP gateway for managing these connections, plus Docker's new Offload service for running containers and models entirely in Docker Cloud and much, much more!

★Show Links★
Docker Model Runner
Gordon AI Blog Post
Docker Offload
Docker Gen AI Catalog
Docker MCP Catalog and Toolkit
Docker MCP Gateway Repository

Check out the video podcast version here: https://youtu.be/dUmSsnc33O0

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (04:32) - Gordon AI
  • (09:41) - Docker Model Runner
  • (19:34) - State of Free Models
  • (22:11) - MCP Toolkit
  • (24:39) - MCP Gateway
  • (33:45) - MCP Server Limits
  • (38:31) - MCP Gateway vs API Gateway
  • (46:11) - Model Support in Docker Compose
  • (51:00) - Docker Offload
Could AI End Human QA?29 Jul 202500:52:41

Bret is joined by Andrew Tunall, the President and Chief Product Officer at Embrace, to discuss his prediction that we’ll all start shipping non-QA'd code (buggier code in production) and QA will need to be replaced with better observability.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


If AI causes us to ship more code, we’ll need more testing and QA. It’s unlikely that orgs will want to add staff just so they can use AI, so what’s the solution? Would we start relying more on production observability to detect code issues that affect user experience?

Embrace is a mobile observability platform company that I first met at KubeCon London this year. Their pitch was that mobile apps were ready for the full observability stack and that we now have SDKs to let mobile dev teams integrate with the same tools that we platform engineers and DevOps people and operators have been building and enjoying for years now. I wanted to hear from observability experts on how they think this is all going to shake out.

★Show Links★
Embrace website
Embrace GitHub repository
Embrace docs

Check out the video podcast version here: https://youtu.be/HHpn3OqMrbU

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (03:00) - AI in QA and Software Development
  • (07:25) - Challenges and Cultural Shifts in AI-Driven Development
  • (17:50) - Real-World Examples and Observations
  • (24:24) - Future of AI in Software Engineering
  • (25:12) - Building Reliable Software
  • (26:02) - Tools and Strategies for Measuring Reliability
  • (27:02) - Importance of Observability
  • (34:15) - Enhancing Mobile App Observability
  • (41:04) - Changing Behaviors in Observability
AI Agents Running Containers01 Jul 202500:55:14

The Daytona founders - Ivan Burazin and Vedran Jukic - discuss their pivot to an AI agent cloud.
We dig into the new infrastructure requirements of developing agents that need their own sandboxes to operate in.

A year ago, we had them on to talk about Daytona giving us remote development environments for humans, and they have now pivoted the company to focusing on providing cloud hosting environments for AI agents to operate.

I suspect this is something we're all gonna eventually need to tackle as we work to automate more of our software engineering. So we spend time breaking down the concepts and the real world needs of humans developing agents, and then the needs of AI that require places to run their own tools in code.

Check out the video podcast version here https://youtu.be/l8LBqDUwtV8

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Intro
  • (06:08) - Daytona's Sandbox Technology
  • (12:57) - Practical Applications and Use Cases
  • (14:29) - Security and Isolation in AI Agents
  • (17:59) - Start Up Times for Sandboxing and Kubernetes
  • (22:51) - Daytona vs Lambda
  • (31:06) - Rogue Models and Isolation
  • (34:54) - Humanless Operations and the Future of DevOps
  • (47:17) - SDK vs MCP
  • (50:15) - Human in the Loop
  • (51:13) - Daytona: Open Source vs Product Offering
Heroku + MCP = The Fastest Way to Run AI Agents in the Cloud06 Jun 202500:41:23

Julián Duque from Heroku joins me to explain and demo their new AI platform.

Check out the video podcast version here https://youtu.be/BGqlLZHdRDs

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

  • (00:00) - Introduction
  • (05:12) - Deep Dive into Heroku's AI Capabilities
  • (14:23) - Heroku MCP server
  • (28:27) - Describing MCP Tool Interactions
  • (30:48) - DevOps Automation with Heroku MCP server
  • (37:02) - Heroku AI and Future Prospects
Is AI ready for DevOps?04 Jun 202500:27:10

Launching our new Podcast: https://agenticdevops.fm
Bret and Nirmal are at KubeCon London and record their ideas about how AI Agents will change DevOps, platform engineering, SRE, automation, troubleshooting, and more.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Creators & Guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

What you missed at KubeCon24 May 202500:39:21

At KubeCon EU 2025 in London, Nirmal and I discussed the important (and not-so-important) things you might have missed.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

There's also a video version of this show on YouTube.

Creators & Guests


  • (00:00) - DDT Audio Podcast Edited
  • (00:04) - Intro
  • (01:24) - KubeCon 2025 EU Overview
  • (03:24) - Platform Engineering and AI Trends
  • (07:03) - AI and Machine Learning in Kubernetes
  • (15:38) - Project Pavilions at KubeCon
  • (17:05) - FinOps and Cost Optimization
  • (20:39) - HAProxy and AI Gateways
  • (24:00) - Proxy Intelligence and Network Layer Optimization
  • (26:52) - Developer Experience and Organizational Challenges
  • (29:23) - Platform Engineering and Cognitive Load
  • (35:54) - End of Life for CNCF Projects

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Docker Model Runner21 Apr 202500:13:06

Docker launched "Docker Model Runner" to run LLMs through llama.cpp with a single "docker model" command. In this episode Bret details examples and some useful use cases for using this way to run LLMs. He breaks down the internals. How it works, when you should use it or not use it; and, how to get started using Open WebUI for a private ChatGPT-like experience.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


★Topics★
Model Runner Docs
Hub Models
OCI Artifacts
Open WebUI
My Open WebUI Compose file

Creators & Guests

  • (00:00) - Intro
  • (00:46) - Model Runner Elevator Pitch
  • (01:28) - Enabling Docker Model Runner
  • (04:28) - Self Promotion! Is that an ad? For me?
  • (05:03) - Downloading Models
  • (07:11) - Architectrure of Model Runner
  • (10:49) - ORAS
  • (11:09) - What's next for Model Runner?
  • (12:13) - Troubleshooting

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

What's Coming in 2025? 26 Mar 202500:16:42

This episode is about what I'm seeing and what I'm doing right now, and then for the rest of the year. There are three parts. First, I talk about what's about to happen for me for the next few weeks re going to London for KubeCon. Then what I'm planning to change in this podcast, as well as my other content on YouTube for the rest of the year. And lastly, I talk about some industry trends that I'm seeing that will force me, I think, to change the format of this show. I recorded the episode on March 22, 2025.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

★Topics★
My work at KubeCon EU in London
What's next for this Podcast and my YouTube
What's up with AI for DevOps?

Creators & Guests

  • (00:00) - What's Coming in 2025
  • (01:07) - Highlights I'm excited about re KubeCon
  • (04:35) - Changes to this Podcast
  • (05:58) - What's up with AI and "Agentic DevOps"?
  • (15:11) - Upcoming guests

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Docker Build the best way with Docker Bake24 Mar 202500:15:05

The Docker Bake Build tool just went general availability, and I'm excited about what this means for creating reproducible builds and automation that can run anywhere. In this video I'm gonna break down some of the features, the benefits and walk through some examples.

In this episode I explain why docker buildx bake exists, what it can do, and I walk through multiple examples of Bake files and how it's better than docker build image and docker compose build. I also touch on BuildKit and Docker's GitHub Actions.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

There's also a video version of this show on YouTube.

★Get started with Docker Bake★
Walkthough https://docs.docker.com/guides/bake/
Docs: https://docs.docker.com/build/bake/
GA Announcement: https://www.docker.com/blog/ga-launch-docker-bake/

Creators & Guests

  • (00:00) - Intro
  • (00:04) - /
  • (00:41) - History Lesson
  • (01:29) - Bake Today
  • (02:43) - Ad for... Me!
  • (03:53) - List of Benefits
  • (10:29) - Use Bake Everywhere
  • (12:41) - Leaning into Bake, maybe?

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
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Homepage bretfisher.com

Is Swarm at EOL?06 Feb 202500:18:03

I've been a big fan of Swarm since it was launched over a decade ago and I've made multiple courses on it that still sell. But, we recently got some news out of Mirantis that might be bad news. So I talked about it last week on my live stream.


💥 This episode is brought to you by our valued sponsor and friends at Aikido!💥
Aikido is a no-nonse platform that helps developers get security done. It consolidates multiple scanning tools like code analysis, dependency analysis, and cloud security into a single platform. Aikido’s superpower is its ability to remove false positives, so you can focus on the real issues. Aikido not only helps you find true vulnerabilities but their new AI features auto triage and even fix issues for you.
Aikido is FREE for small teams or anyone wanting to simply explore so check it out today at aikido.dev

There's also a video version of this show on YouTube.

★Topics★
Blog post that sparked this discussion:
https://www.portainer.io/blog/portainer-the-essential-tool-for-docker-swarm-users-facing-a-kubernetes-future

Creators & Guests

  • (00:00) - Intro
  • (00:34) - Mirantis' Role in Swarm's Future
  • (01:52) - The Hope of Swarm being shipped in Docker Engine
  • (02:43) - Portainer's Perspective on Swarm's Viability
  • (04:27) - Swarm Community and Support
  • (05:47) - One Sentence Signals Change?
  • (08:37) - Swarm in Maintenance Mode
  • (10:47) - The Docker-Swarm Stack
  • (11:43) - Future of Swarm in Docker Engine
  • (13:52) - Integration Challenges

You can also support my free material by subscribing to my YouTube channel and my weekly newsletter at bret.news!

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Homepage bretfisher.com

Best of Cloud Native 202410 Jan 202501:11:05

Bret and Nirmal reunite for their traditional annual Holiday Special episode of breaking down the most significant developments in cloud native from 2024 and sharing predictions for 2025.

💥 This episode is brought to you by our valued sponsor and friends at Aikido!💥
Aikido is a no-nonse platform that helps developers get security done. It consolidates multiple scanning tools like code analysis, dependency analysis, and cloud security into a single platform. Aikido’s superpower is its ability to remove false positives, so you can focus on the real issues. Aikido not only helps you find true vulnerabilities but their new AI features auto triage and even fix issues for you.
Aikido is FREE for small teams or anyone wanting to simply explore so check it out today at aikido.dev


We touch on infrastructure evolution, exploring Kubernetes fleet management challenges and emerging solutions for simplified tool stacks, we cover essential cloud native trends of 2024, infrastructure automation breakthroughs, notable technical innovations, projects that aspire to be part of CNCF as well as predictions for cloud native in 2025.

There's also a video version of this show on YouTube.

★Topics★
Cloud Native End User Technical Advisory Board (TAB)
Adam Jacob's Talk: Reimagining OSS Licensing and Commercialization with Fair Source
kubevirt
Keda
Cloud Native Reference Architectures
Karpenter
eBPF ( https://www.youtube.com/watch?v=Wb_vD3XZYOA ebpf documentary) (Ebpf summit)
GitHub Copilot, now Free
Kubernetes transitioning into enterprise maturity (https://www.fairwinds.com/blog/10-years-kubernetes-innovation)
FinOps matters
Read the tea leaves sandbox issues 

Creators & Guests

  • (00:00) - Intro
  • (02:55) - Structure of the Show
  • (03:21) - Kubernetes is 10 and CNCF Maturity
  • (04:35) - What is a CNCF Graduated Project?
  • (07:31) - IDPs
  • (08:51) - Legacy Projects Aspiring for CNCF
  • (18:40) - Favorite Tools of 2024
  • (18:55) - Argo's Increasing Use
  • (23:15) - GitHub Copilot
  • (25:53) - KubeVirt
  • (32:01) - Event-Driven Autoscaling with KEDA
  • (33:45) - Cloud Native Reference Architectures
  • (35:56) - Karpenter Workshop Highlights from KubeCon
  • (37:08) - Kubernetes Stacks and AI Workloads
  • (39:30) - Predictions for Kubernetes in 2025
  • (39:36) - Kubernetes "LAMP" Stack
  • (40:31) - AI in 2025
  • (44:33) - Efficiency, Energy and Environmental Impact
  • (46:55) - Fleet and Multi-Cluster Management
  • (51:44) - Optimizing Inference
  • (53:28) - Edge Hybrid
  • (53:57) - Container-Optimized Linux Distros
  • (59:54) - Open Source Licensing and Business Models
  • (01:02:21) - Purely Open Source Kubernetes Stack
  • (01:03:11) - The CNCF Sandbox
  • (01:09:32) - Final Thoughts

You can also support my free material by subscribing to my YouTube channel and my weekly newsletter at bret.news!

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Aikido: Is a Single DevSecOps Tool Possible?27 Dec 202401:01:56

Or watch the video version on YouTube. Bret is joined by Willem Delbare and Roeland Delrue to discuss Aikido, a security tool consolidation platform designed specifically for smaller teams and solo DevOps practitioners.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

The discussion explores how Aikido addresses the growing challenges of software supply chain security by bringing together various security tools - from CVE scanning to cloud API analysis - under a single, manageable portal. Unlike enterprise-focused solutions, Aikido targets the needs of smaller teams and individual DevOps engineers who often juggle multiple responsibilities. During the episode, they demonstrate Aikido's capabilities using Bret's sample GitHub organization, and show how teams can implement comprehensive security measures without managing multiple separate tools.

There's also a video version on YouTube.

★Topics★
Aikido website
Aikido on Bluesky
Aikido on LinkedIn

Creators & Guests

  • (00:00) - Intro
  • (06:20) - Aikido Origin Story
  • (10:32) - What Does AutoFix Mean?
  • (13:18) - Security Automation and Developers
  • (21:32) - Lessons from Onboarding Customers
  • (23:10) - Reducing Noise and Alert Fatigue with Aikido
  • (27:30) - Aikido in the CI/CD Process
  • (31:26) - AI Security Integration
  • (32:24) - GitHub Actions and Dependencies as Attack Vector
  • (39:20) - Dependencies in Programming Languages
  • (41:30) - Infrastructure as Code and Cloud Security
  • (48:17) - Runtime Protection with Aikido Zen
  • (54:25) - Agent Involvement in Scanning
  • (57:54) - Tools to Use Alongside Aikido
  • (01:01:16) - Getting Started with Aikido

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
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Homepage bretfisher.com

DevOps Cert Prep using AI, with the KodeKloud Team13 Dec 202401:12:23

Bret is joined by Mumshad Mannambeth and Vijin Palazhi of KodeKloud for Q&A on what we should be studying and certifying for in 2025.
 

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.


This episode is chalked full of information. We talked about the CNCF Kubestronaut program and how GenAI has changed the cert prep game, and see what tools and techniques we should use to prepare for next year!

You've probably seen Mumshad's courses. He has been another person like myself who, for almost a decade, has been making container courses on Docker, Kubernetes, all the tooling. Now he's running a giant platform of learning and they're introducing AI into your learning and certification prep, courses, and skills labs. And we go through all of it.

We talk about all of the Linux Foundation certifications they cover. They've launched over 100 courses now on their platform and they cover a lot, if not all of the Linux certifications, especially around Kubernetes and the Cloud Native ecosystem. I'm a huge fan of that. I think this is great stuff for everyone, especially if you're early in your career and you're using certifications as a way to prove your expertise or you're like me, you've been around forever and you want to show that you're up to date. 

There's also a video version of this show on YouTube.

★Topics★
KodeKloud website

Creators & Guests

  • (00:00) - DDT MAIN (Audio) Bret's NEW
  • (03:55) - Community in Career Growth
  • (05:11) - Intro
  • (07:14) - Kubernetes Certifications: Kubestronaut
  • (10:59) - The Kubernetes Learning Path
  • (15:03) - Who is Kubestronaut For?
  • (21:47) - Maintaining Kubernetes Certification
  • (23:57) - Changes in Certification Requirements
  • (24:35) - KodeKloud Course Updates
  • (26:09) - Exploring BlueSky for Cloud Native Community
  • (26:44) - AI in Certification and Teaching Assistance
  • (38:44) - AI Tutor and Future of Learning
  • (39:54) - Replacing Q&A with AI?
  • (56:45) - Rapid Fire Q&A
  • (56:55) - Pro vs AI Subscription with KodeKloud
  • (57:16) - Starting with K8s
  • (01:00:15) - Certifications for Software Engineers
  • (01:03:35) - Course Updates and Future Plans
  • (01:05:56) - Developer Courses Plans?
  • (01:08:43) - No Labs for Azure DevOps Course
  • (01:10:16) - MLOps Courses
  • (01:11:46) - Conclusion and Final Thoughts

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Homepage bretfisher.com

KubeCon Engineering Takeaways29 Nov 202400:37:15

Bret and Nirmal recorded this special offline episode at KubeCon North America in Salt Lake City. We hung out at the AWS booth to break down the major trends and developments from the conference. 

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

The event drew a record-breaking 10,000 attendees, with roughly half being first-timers to the Cloud Native ecosystem. 

Starting with Cloud Native Rejekts and moving through the pre-conference events, we noticed Platform Engineering emerged as the dominant theme, with its dedicated conference track drawing standing-room-only crowds.


The main conference showcased a notable surge in new vendors, particularly in AI and security sectors, representing about a quarter of all exhibitors. We dissect the key engineering trends, ongoing challenges in Cloud Native adoption, and insights gathered from various conferences including ArgoCon, BackstageCon, and Wasm Day. In our 40-minute discussion, we tried to capture the essence of what made this year's KubeCon significant. It's a great listen whether you couldn't attend or if you're a veteran of the Cloud Native community.

Watch the video on YouTube.

★Show Links★
Port
"VM-like container runtime": Microsoft's Hyperlight
Hyperlight Rejekts talk
Akcess, easy K8s RBAC CLI
Cloud Native Operational Excellence

Creators & Guests

  • (00:00) - Intro
  • (03:38) - KubeCon Rejekts
  • (04:50) - Better Than Namespaces
  • (07:17) - Day 0
  • (08:32) - BackstageCon and Platform Interfaces
  • (12:35) - Argo CD and Deployment Dashboards
  • (13:57) - GitOps Bridge: Bridging Infrastructure and GitOps
  • (14:49) - Kubernetes Resource Orchestrator (KRO)
  • (16:23) - Fleet Management in Kubernetes
  • (18:12) - Ford's Approach to Kubernetes Tooling
  • (19:36) - CNOE: Community-Driven Kubernetes Reference Architectures
  • (26:21) - AI Integration in Kubernetes Tools
  • (34:03) - Managing Infrastructure at Scale with Karpenter
  • (35:13) - KubeCon Highlights and Future Trends

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Personal AI with Ken Collins15 Nov 202400:57:58

Bret and Nirmal Mehta are joined by Ken Collins to dig into using AI for more than coding, and if we can build an AI assistant that knows us.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

They touch on a lot of tools and platforms. "We're bit all over the place on this one, from talking about AI features in our favorite note taking apps like Notion, to my journey of making an open AI assistant with all of my Q&A from my courses, thousands of questions and answers, to coding agents and more."

Ken is a local friend in Virginia Beach and was on the show last year talking about AWS Lambda, and we've both been trying to find value in all of these AI tools for our day to day work.

Watch the video version on YouTube.

★Topics★
The Lifestyle Copilot Blog Post
Serverless AI Inference with Gemma 2 Blog Post

Creators & Guests

  • (00:00) - Intro
  • (01:26) - AI in Recruitment at Torc
  • (03:25) - AI for Day to Day Workflows
  • (04:44) - Notion AI and RAG
  • (07:20) - Creating Your Own AI Search Solution
  • (13:59) - Choosing the Right LLM for the Job
  • (20:55) - Personal AI and Long Context Windows
  • (25:10) - Future of Personal Fine-Tuned Models
  • (25:52) - AI Assistants in Meetings
  • (27:34) - Temperature and AI Hallucinations
  • (32:07) - Agents and Tool Integration
  • (39:31) - Apple Intelligence and Personal AI
  • (44:56) - AI Apps on Mobile
  • (50:00) - LoRA

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
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Homepage bretfisher.com

State of Kubernetes UIs18 Oct 202400:17:08

Bret explores the spectrum of user interfaces and tools available for managing Kubernetes clusters as of Autumn 2024.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

This solo episode touches on both paid and open-source options, looking at their features, benefits, and drawbacks. Key tools covered include Lens, Aptakube, K8Studio, Visual Studio Code's Kubernetes extension, K9S, Portainer, and Meshery.

Bret also discusses specialized tools like Headlamp and the Argo CD dashboard, and their specific use cases and advantages.

★Topics★


Creators & Guests

  • (00:00) - Intro
  • (01:43) - Paid UI Offerings
  • (02:22) - Lens
  • (03:42) - Aptakube and K8Studio
  • (04:30) - Free and Open Apps
  • (05:42) - K9s
  • (06:45) - SaaS Offerings
  • (07:32) - Web Dashboards
  • (08:08) - Portainer
  • (09:08) - Meshery
  • (11:14) - Headlamp
  • (13:28) - Argo CD's Web Dashboard

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Inspektor Gadget20 Sep 202400:40:19

Bret and Nirmal are joined by Chris Kühl and Jose Blanquicet, the maintainers of Inspektor Gadget, the new eBPF-focused multitool, to see what it's all about.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Inspektor Gadget, aims to solve some serious problems with managing Linux kernel-level tools via Kubernetes. Each security, troubleshooting, or observability utility is packaged in an OCI image and deployed to Kubernetes (and now Linux directly) via the Inspektor Gadget CLI and framework.

Watch the video version on YouTube.

★Topics★
Inspektor Gadget website
Inspektor Gadget Docs
GitHub Repository

Creators & Guests

  • (00:00) - Intro
  • (01:33) - Why Inspektor Gadget?
  • (05:49) - Who is Inspektor Gadget For?
  • (21:07) - Windows Nodes Support
  • (22:15) - Stress Testing and OOM
  • (26:50) - Ensuring Safe Use of eBPF Tools
  • (32:42) - Future Roadmap and Platform Support
  • (36:17) - Getting Started with Inspektor Gadget

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

MLOps for DevOps People06 Sep 202400:48:29

Bret and Nirmal are joined by Maria Vechtomova, a MLOps Tech Lead and co-founder of Marvelous MLOps, to discuss the obvious and not-so obvious differences between a MLOps Engineer and traditional DevOps jobs.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Maria is here to discuss how DevOps engineers can adopt and operate machine learning workloads, also known as MLOps. With her expertise, we'll explore the challenges and best practices for implementing ML in a DevOps environment, including some hot takes on using Kubernetes.

There's also a video version to watch on YouTube.

★Topics★
Marvelous MLOps on LinkedIn
Marvelous MLOps Substack
Marvelous MLOps YouTube Channel

Creators & Guests

  • (00:00) - Intro
  • (02:04) - Maria's Content
  • (03:22) - Tools and Technologies in MLOps
  • (09:21) - DevOps vs MLOps: Key Differences
  • (19:22) - Transitioning from DevOps to MLOps
  • (22:52) - Model Accuracy vs Computational Efficiency
  • (24:46) - MLOps with Sensitive Data
  • (29:10) - MLOps Roadmap and Getting Started
  • (32:36) - Tools and Platforms for MLOps
  • (37:14) - Adapting MLOps Practices to Future Trends
  • (44:08) - Is Golang an Option for CI/CD Automation?

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
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Homepage bretfisher.com

Traefik 3.0: What's New?23 Aug 202400:54:15

Bret and Nirmal were joined by Emile Vauge, CTO of Traefik Labs to talk all about Traefik 3.0.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We talk about what's new in Traefik 3, 2.x to 3.0 migrations, Kubernetes Gateway API, WebAssembly (Cloud Native Wasm), HTTP3, Tailscale, OpenTelemetry, and much more!

Watch the video version on YouTube.

★Topics★
Traefik Website
Traefik Labs Community Forum
Traefik's YouTube Channel
Gateway API helper CLI
ingress2gateway migration tool

Creators & Guests

 
  • (00:00) - Intro
  • (02:20) - Origins of Traefik
  • (05:01) - The Road to 3.0
  • (06:20) - Balancing Stability and Innovation
  • (08:25) - Migration to Traefik 3.0
  • (14:58) - WebAssembly and Plugins in Traefik
  • (21:43) - Gateway API and gRPC Support
  • (30:32) - Gateway API Components and Configuration
  • (33:35) - Tools for Gateway API Management
  • (40:08) - OpenTelemetry Integration
  • (47:21) - Future Plans and Community Contributions

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Debug Containers with Mintoolkit09 Aug 202401:15:34

Bret is joined by DockerSlim (now mintoolkit) founder Kyle Quest, to show off how to slim down your existing images with various options.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

The slimming down includes distroless images like Chainguard Images and Nix. We also look at using the new "mint debug" feature to exec into existing images and containers on Kubernetes, Docker, Podman, and containerd. Kyle joined us for a two-hour livestream to discuss mint’s evolution.

Watch a video version on YouTube.

★Topics★
Mint repository in GitHub

Creators & Guests

  • (00:00) - Intro
  • (02:26) - The Evolution of Docker Slim
  • (04:43) - Docker Slim's First Feature
  • (10:04) - Forcing Change is Not Always Possible
  • (13:29) - Docker Slim Name Change to Mintoolkit
  • (15:13) - Dive vs Mint
  • (18:45) - Mint and the Problem with Container Debugging
  • (28:25) - AI-Assisted Debugging
  • (34:46) - Hands-On Debugging Examples
  • (41:27) - Debugging a Podman Image
  • (49:00) - Kubernetes Debugging Example
  • (59:00) - What is KoolKits?
  • (01:05:48) - Future Plans for Mintoolkit
  • (01:06:44) - cdebug: Dedicated Debugging Tool for Containers

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Observability Cost-Savings and eBPF Goodness with Groundcover26 Jul 202400:55:42

Bret is joined by Shahar Azulay, Groundcover CEO and Co-Founder, to discuss their new approach to fully observe K8s and its workloads with a "hybrid observability architecture."

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Groundcover is a new, cloud-native, eBPF-based platform that designed a new model for how observability solutions are architected and priced. It is a product that can drastically reduce your monitoring, logging, and tracing costs and complexity, it stores all its data in your clusters and only needs one agent per host for full observability and APM.

We dig into the deployment, architecture, and how it all works under the hood.

Watch the video version on YouTube. Includes demos.

★Topics★
Groundcover Discord Channel
Groundcover Repository in GitHub
Groundcover YouTube Channel
Join the Groundcover Slack

Creators & Guests

  • (00:00) - Intro
  • (03:16) - Shahar's Background and GroundCover's Origin
  • (06:34) - Where Did the Hybrid Idea Come From?
  • (12:11) - GroundCover's Deployment Model
  • (18:21) - Monitoring More than Kubernetes
  • (20:32) - eBPF from the Ground Up
  • (23:58) - How Does Groundcover read eBPF Logs?
  • (32:06) - GroundCover's Stack and Compatibility
  • (36:18) - The Importance of PromQL
  • (37:41) - Groundcover Also OnPrem and Managed
  • (49:35) - Getting Started with Groundcover
  • (52:15) - Groundcover Caretta
  • (54:55) - What's Next for Groundcover?

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Homepage bretfisher.com

Flow State with VS Code AI12 Jul 202400:37:37

Bret and Nirmal are joined by Continue.dev co-founder, Nate Sesti, to walk through an open source replacement for GitHub Copilot.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Continue lets you use a set of open source and closed source LLMs in JetBrains and VSCode IDEs for adding AI to your coding workflow without leaving the editor.

You've probably heard about GitHub Copilot and other AI code assistants. The Continue team has created a completely open source solution as an alternative, or maybe a superset of these existing tools, because along with it being open source, it's also very configurable and allows you to choose multiple models to help you with code completion and chatbots in VSCode, JetBrains, and more are coming soon.

So this show builds on our recent Ollama show. Continue uses Ollama in the background to run a local LLM for you, if that's what you want to Continue to do for you, rather than internet LLM models.

Check out the video version on YouTube. Includes demos.

★Topics★
Continue.dev Website

Creators & Guests

  • (00:00) - Introduction
  • (01:52) - Meet Nate Sesti, CTO of Continue
  • (02:40) - Birth and Evolution of Continue
  • (03:56) - Continue's Features and Benefits
  • (22:24) - Running Multiple Models in Parallel
  • (26:38) - Best Hardware for Continue
  • (32:45) - Other Advantages of Continue
  • (36:08) - Getting Started with Continue

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AWS Graviton: The Great Arm Migration28 Jun 202400:39:16

Bret and Nirmal are joined by Michael Fischer of AWS to discuss why we should use Graviton, their arm64 compute with AWS-designed CPUs.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Graviton is AWS' term for their custom ARM-based EC2 instances. We now have all major clouds offering an ARM-based option for their server instances, but AWS was first, way back in 2018. Fast forward 6 years and AWS is releasing their 4th generation Graviton instances, and they deliver all the CPU, networking, memory and storage performance that you'd expect from their x86 instances and beyond.

I'm a big fan of ARM-based servers and the price points that AWS gives us. They have been my default EC2 instance type for years now, and I recommend it for all projects I'm working on with companies.

We get into the history of Graviton, how easy it is to build and deploy containers and Kubernetes clusters that have Graviton and even two different platform types in the same cluster. We also cover how to build multi-platform images using Docker BuildKit.

Watch the video version on YouTube. Includes demos.

★Topics★
Graviton + GitLab + EKS
Porting Advisor for Graviton
Graviton Getting Started

Creators & Guests

  • (00:00) - Intro
  • (06:19) - AWS and ARM64: Evolution to Graviton 4
  • (07:55) - AWS EC2 Nitro: Why and How?
  • (11:53) - Nitro and Graviton's Evolution
  • (18:35) - What Can't Run on Graviton?
  • (23:15) - Moving Your Workloads to Graviton
  • (27:19) - K8s Tooling and Multi-Platform Images
  • (37:07) - Tips for Getting Started with Graviton

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Local GenAI LLMs with Ollama and Docker14 Jun 202400:50:08

Bret and Nirmal are joined by friend of the show, Matt Williams, to learn how to run your own local ChatGPT clone and GitHub Copilot clone with Ollama and Docker's "GenAI Stack," to build apps on top of open source LLMs.

We've designed this conversation for tech people like myself, who are no strangers to using LLMs in web products like chat GPT, but are curious about running open source generative AI models locally and how they might set up their Docker environment to develop things on top of these open source LLMs.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Matt Williams is walking us through all the parts of this solution, and with detailed explanations, shows us how Ollama can make it easier on Mac, Windows, and Linux to set up LLM stacks.

Be sure to check out the video version of this episode for any demos.

This episode is from our YouTube Live show on April 18, 2024 (Stream 262).

★Topics★

Creators & Guests

  • (00:00) - Intro
  • (01:32) - Understanding LLMs and Ollama
  • (03:16) - Ollama's Elevator Pitch
  • (08:40) - Installing and Extending Ollama
  • (17:17) - HuggingFace and Other Libraries
  • (19:24) - Which Model Should You Use?
  • (26:28) - Ollama and Its Applications
  • (28:57) - Retrieval Augmented Generation (RAG)
  • (36:44) - Deploying Models and API Endpoints
  • (40:38) - DockerCon Keynote and LLM Demo
  • (47:44) - Getting Started with Ollama

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Kubernetes Observability with Site24x731 May 202400:40:22

Bret is joined by Jasper Paul and Vinoth Kanagaraj, observability experts and Site24x7 Product Managers, to discuss achieving end-to-end visibility for applications on Kubernetes infrastructure. We answer questions on all things monitoring, OpenTelemetry, and KPIs for DevOps and SREs.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We talk about the industry's evolution from monitoring to full observability platforms, as well as adjacent topics for helping you with your own Kubernetes and application monitoring, including going through some of the most useful metrics in Kubernetes and AI's role in metric analysis and alerting humans.

Be sure to check out the live recording of the complete show from April 25, 2024 on YouTube (Ep. 263). Includes demos.

★Topics★
Site24x7 Full stack observability
Site24x7 Kubernetes monitoring
Voting App

Creators & Guests

  • (00:00) - Intro
  • (02:01) - Observability vs Monitoring
  • (08:32) - The New App Health Layer
  • (14:39) - Attributes Collected
  • (17:47) - Unified Observability
  • (19:00) - AI-Powered Insights: The Role of AIOps
  • (21:51) - OpenTelemetry and Multi-Cluster Monitoring
  • (25:45) - Windows Support
  • (26:06) - Correlating Requests Between Microservices
  • (28:14) - Synthetic vs Real-Time Monitoring
  • (30:25) - Dashboards, Tracing and Metrics
  • (37:17) - Getting Started

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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K2D by Portainer17 May 202400:32:42

Bret and Nirmal are joined by Neil Cresswell and Steven Kang from Portainer to look at K2D, a new project that enables us to leverage Kubernetes tooling to manage Docker containers on tiny devices at the far edge.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

K2D stands for Kubernetes to Docker, which is a bit of a crazy idea -- it's a partial Kubernetes API running on top of Docker Engine without needing a full Kubernetes control plane. If you work with very small devices, including older Raspberry PIs, 32-bit machines, maybe industry sensors and the infrastructure we now call 'edge', the container hardware is often hard for you to make simple, reliable, and automated all at the same time.

So this project uses less resources than a single node K3S and still allows you to use Kubernetes tools to deploy and manage your containers, which are in fact just running on a Docker Engine with no full-fledged Kubernetes distribution going on there.

We get into far more detail on the architecture, the Portainer team's motivations for this new open source project and what its limitations are, because it's not real Kubernetes, so it can't do everything.

Watch the video version on YouTube for any demos.

This episode is from our YouTube Live show on March 28, 2024 (Stream 260).

★Topics★
K2D website
K2D Docs

Creators & Guests

  • (00:00) - Intro
  • (02:40) - Introducing the guests
  • (03:56) - Why K2D? Architecture and Motivations
  • (05:55) - How Efficient is K2D?
  • (10:25) - K2D Architecture Explained: Components and Operations
  • (20:42) - What Happens When Resources are Exhausted?
  • (23:18) - K2D for Edge Deployment with Portainer or Argo CD
  • (28:22) - K2D Future Roadmap
  • (30:36) - Getting Started with K2D

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Chainguard: Building Secure Container Images03 May 202400:59:43

Bret and Nirmal are joined by Dan Lorenc from Chainguard to walk them through Chainguard's approach to building secure, minimal container images for popular open source software.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

They discuss why it is important to have secure and minimal container images. Dan explains how Chainguard helps remove the pain of CVEs, laggy software updates and patches and much more. Chainguard is now available also on Docker Hub.

They spend the first part of the show talking about the week's big news: the XZ supply chain attack, and Dan was the best man to explain it. They also touch on CVEs, things you can do to reduce the attack surface, SLSA, and more during this jam-packed show.

There's a video version you can watch on YouTube

★Topics★
Chainguard Website
Vulnerability Management Certification course
True Cost of Vulnerability Management
Chainguard Images
Chainguard on Docker Hub Announcement

Creators & Guests

  • (00:00) - Intro
  • (05:14) - Dan's Take on the XZ Hack
  • (14:59) - Chainguard Distro Creation
  • (21:21) - Chainguard in Docker Hub Announcement
  • (24:26) - Free Images vs Private Images
  • (26:27) - Zero CVE Approach
  • (28:33) - Ways to Reduce Attack Surfaces
  • (39:56) - Chainguard Academy
  • (41:08) - Real Time Antivirus Malware Scanner
  • (43:52) - Google Distro Lists Worth Using
  • (45:56) - Chainguard for Buildpacks
  • (46:20) - SLSA
  • (56:08) - What's Next for Chainguard?
  • (56:52) - Getting Started with Chainguard

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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AWS Finch: The Minimal Local Container Solution19 Apr 202400:49:19

Bret and Nirmal are joined by Phil Estes of AWS to show us the Finch project, which bundles the best open source tools for building and running containers locally. Now it runs on macOS and Windows WSL2.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We've been talking with Phil about this show for months, and now that Finch has come to Windows, we thought it was the best time to clue you in as to why AWS created the Finch project and what it does.

You've probably heard of containerd, the most popular container runtime on the planet and BuildKit, the best way, in my opinion, to build container images. Those two work hand in hand in Docker and many other container tools. But you might not have heard of nerdctl or Lima, which are also open source tools that work with containerd and BuildKit to help you run containers locally in a virtual machine. Well, AWS had the idea of making an easy installer for these four tools. That's how Finch was born.

Finch is not meant to be a replacement of your existing way to run containers. The tools it installs are a bit of a minimum feature set, if you will, and more focused on providing people the exact tools AWS uses in its container platforms, mainly containerd and BuildKit, which are everywhere in AWS. Rather than building something that's feature equivalent to other local container solutions like Docker Desktop and Rancher Desktop, Finch keeps it simple and does the bare minimum. 

If you just want an easily installable and minimal way to build and run local containers at the command line with no goofy, high-end fancy features, pure open source and just on Mac and Windows, at least at this point, you should give Finch a try.

Be sure to check out the live recording of the complete show from February 22, 2024 on YouTube (Ep. 255).

★Topics★
Finch Website
Bret's local container runtime spreadsheet

Creators & Guests

  • (00:00) - Intro
  • (00:35) - What is Finch?
  • (03:53) - Phil's History with Docker and Finch
  • (07:59) - Deep Dive into AWS Finch Project
  • (11:41) - How do the Components Tie Together
  • (25:31) - Finch's Position in the Container Ecosystem
  • (26:47) - Finch's Capabilities and Comparisons
  • (27:45) - VM Management and Lima Integration
  • (37:51) - Finch's Roadmap and Community Engagement
  • (41:49) - How Does Finch Connect to Lima?
  • (42:45) - Potential Lima Conflicts with Finch
  • (46:38) - Getting Started wtih Finch

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Portainer for Kubernetes, Docker, Swarm, Edge, and IoT05 Apr 202400:49:56

Bret is joined by Neil Cresswell, CEO and co-founder of Portainer, to show us new features in Portainer and how it can manage, deploy, and orchestrate all your container workloads from a single Docker Engine, all the way to multi-cluster and IoT Kubernetes deployments.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Portainer is much more comprehensive than you might think. Docker on the Edge, Podman, Kubernetes, in the cloud, in hybrid, you name it; it seems that Portainer supports it. In the show, we also get some updates on new things that have happened in the last couple of years, including adding GitOps support to Portainer, the ability to deploy Kubernetes nodes, and infrastructure.

Be sure to check out the live recording of the complete show with demos from February 29, 2024 on YouTube (Ep. 256).

★Topics★
Portainer Website
Portainer on YouTube
Portainer on X
Portainer on LinkedIn
Portainer Demo: Kubernetes the "easy" way

Creators & Guests

  • (00:00) - Intro
  • (02:50) - How Portainer Started
  • (05:38) - Portainer's Strongest Use Cases
  • (08:56) - Portainer's Cluster Provisioning
  • (12:42) - Docker Desktop and Portainer
  • (15:22) - GitOps with Portainer
  • (18:43) - K2D Teaser
  • (21:34) - Portainer Across Different Environment Types
  • (25:21) - Portainer's Focus on IoT and Edge
  • (29:01) - Portainer's Evolution and Future Developments
  • (35:03) - Passwords and Secrets Capabilities in Portainer
  • (40:15) - AI Capabilities in Portainer
  • (42:06) - Portainer Editions, Licenses and Pricing
  • (43:09) - Using Traefik for Ingress
  • (44:53) - What's Next for Portainer?

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Open Source Codespaces with Daytona22 Mar 202400:47:57

Bret and Nirmal are joined by Ivan Burazin and Chad Metcalf to debut Daytona, an open source "codespaces equivalent."

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Daytona is a development environment manager designed to automate all the tedious steps a developer needs to perform to set up their development environment. "Essentially, it transforms any machine into a codespaces equivalent."

Where Daytona is actually starting in the enterprise is focusing on large dev environment solutions and management of those, and then trickling down to individual developers. So there are two very similar solutions to a problem of many developers and their varying ways that they set up their environments for development, but they're coming at it from two ends of the spectrum.

Watch the video version on YouTube.

★Topics★
Daytona website
Daytona on GitHub
Why Daytona OSS'd
DIY Guide

Creators & Guests

  • (00:00) - Intro
  • (06:33) - CodeAnywhere
  • (07:50) - Introducing Daytona: Revolutionizing Dev Environments
  • (13:54) - Demo
  • (21:07) - Daytona's Automation Magic
  • (22:49) - Comparing Daytona with DevPod
  • (25:15) - Daytona's Roadmap and Beyond
  • (27:01) - Dev Environments and IDEs
  • (39:52) - AI with Daytona
  • (44:05) - Getting Started with Daytona
  • (44:35) - Getting Involved in Daytona
  • (47:00) - Features About to Ship in Daytona

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Postgres in Containers08 Mar 202400:46:15

Bret and Nirmal are joined by Lukas Fittl of pganalyze to dive into Postgres in containers, in production, and in CI.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Lukas is an expert and founder of pganalyze, and I invited him on the show to explain a lot of this to us and catch us up with what's going on in the Postgres community, particularly when it comes to containers and production.

We dive into everything around containers with Postgres, some of the new stuff going on in Postgres Land, including tuning and stuff I didn't even know about Postgres, including storing NoSQL data, vector databases for AI and more.

Be sure to check out the live recording of the complete show from February 15, 2024 on YouTube (Ep. #254).

★Topics★
pganalyze website
pganalyze YouTube channel
pgvector
cloudnative-pg
Crunch Postgres for Kubernetes
CockroachDB

Creators & Guests

  • (00:00) - Intro
  • (01:59) - Is Postgres Underrated?
  • (04:18) - What is pgAnalyze?
  • (05:02) - Database Performance Tuning
  • (11:11) - Postgres in Containers
  • (19:44) - Opinion on kubegres and other operators in managing HA
  • (25:03) - The role of Database Administrators and Data Engineers
  • (31:54) - Running Postgres HA across multi-cluster
  • (39:23) - What does pgnalyze do?
  • (44:45) - The hardest operational problem running Postgres in containers

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Best of DevOps 202323 Feb 202400:52:08

Bret and Nirmal are joined by Melissa McKay, Developer Advocate at JFrog and Docker Captain, to discuss the best and worst of 2023.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We recorded this episode in December of 2023 where we talked through our favorite tools. Whether a DevOps oriented tool or not, it just might be the things we like to use on containers and in Cloud Native DevOps. This is a fun episode of three friends talking about what they love. And I sometimes I think these are the best shows because we didn't plan them out. I hope you enjoy listening to it as much as we did recording it. 

The live recording of the complete show from December 14, 2023 is on YouTube (Ep. #245)

★Topics★
Dive Website
SlimToolkit Website
OpenTelemetry Website
eBPF Website
eBPF Documentary
Continuous Delivery Foundation
CDEvents Website
ML Ops Website
Ollama Website
Docker + Ollama
Neo4j Website
Inspektor Gadget Website
Arc Browser
k6 Load testing

Creators & Guests

  • (00:00) - DDT MAIN
  • (04:13) - A Little Tool Called Dive
  • (09:49) - SlimTooklit from Slim.AI
  • (12:11) - OpenTelemetry
  • (14:57) - eBPF
  • (18:44) - Chainguard Images
  • (21:48) - Digestabot
  • (25:03) - Looking Forward to 2024
  • (27:29) - CDEvents
  • (31:32) - MLOps
  • (34:58) - Ollama
  • (37:30) - WebAssembly
  • (38:26) - Inspektor Gadget
  • (39:33) - Arc Browser

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Faster Dev Feedback and Previews with Livecycle09 Feb 202400:37:37

Bret is joined by Matan Mishan & Roy Razon of Livecycle to discuss developer platforms and how to improve developer collaboration and speeding up feedback and previews.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We talk about the various delays encountered in pull requests due to feedback processes, and how Lifecycle's tools aim to shorten this feedback loop in Docker Desktop, local CLI with Preevy, and automated CI workflows. I like how Lifecycle provides multiple locations and ways to get access to people in the preview environments that really lets you just fit the different parts of the tool into your workflow, as opposed to one way to do everything. It's great for getting feedback quickly during the PR process, rather than making people set up their own environments to test their changes. I also liked their ideas around how the feedback loops can be improved.

This episode contains great demos so be sure to also check out the live recording of the complete show from December 21, 2023 on YouTube (Ep. #246).

★Topics★
Livecycle's Website
Preevy Repository
Livecycle Docker Extension

Creators & Guests

  • (00:00) - Intro
  • (01:57) - Internal Developer Platform: a self-service solution
  • (06:38) - Lifecycle and the Docker Extension
  • (24:10) - Using GitHub Environments
  • (27:46) - First Steps and What's Next

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Docker Recap of 202326 Jan 202400:55:06

Bret and Nirmal are joined by Michael Irwin, DevRel at Docker, to talk about all the products and features Docker shipped in 2023, and what's coming in early 2024.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Michael has been on this show many times as a Docker Captain and now as a Docker employee, and it's always great to dig into the details of the products with someone who's been using them for so many years as an end-user and now staff at Docker.

Docker did some big things in 2023, but they also shipped some smaller features that we will help you catch up on in this episode.

The live recording of the complete show from December 28, 2023 is on YouTube (Ep. #247)

★Topics★
Docker 2023 Milestones
Docker Build Cloud
Docker Engine release notes
Docker Compose Watch
DockerCon Playlist
DockerCon Announcements
Compose includes
Docker Scout
Docker GenAI stack
Getting started with GenAI on Docker
Docker acquires Mutagen

Creators & Guests

  • (00:00) - Introduction
  • (02:11) - The Docker Engine
  • (04:43) - Performance improvements
  • (08:16) - Docker Extensions
  • (09:12) - Dashboard and GUI updates
  • (12:46) - Docker init
  • (17:43) - What's new in Compose?
  • (24:33) - Docker Scout
  • (36:43) - Docker and AI/Machine Learning
  • (43:55) - What's Coming Up in 2024?
  • (47:07) - Docker Debug

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Tailscale Everything05 Jan 202400:55:06

Bret is joined by Alex Kretzschmar to talk about Tailscale, a universal VPN that connects teams, devices, and development environments for easy access to remote resources.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Alex and I talk about projects he's worked on in containers over the years and then we quickly get into Tailscale and talking about why he joined the team there.

Tailscale is one of those tools that's hard to put down. I've used it for years to connect my personal devices to my home server lab when I'm traveling or servers I might have on the internet that I run temporarily. It connects them all together in a seamless VPN. The product itself comes up a lot in our Discord server when people are talking about needing some secure remote access to something anywhere in the world.

Tailscale keeps adding more and more features, I can't really keep up, so we had Alex on the show to talk about all the new stuff, including a client for Apple TV, which at first, I didn't quite understand why, but now it totally makes sense; and a Kubernetes operator that does some slick things around connecting engineers on their local machines to clusters. I found Alex at the Tailscale booth at KubeCon this year and invited him on the show to talk about this relatively new yet ubiquitous-feeling product. 

The live recording of the complete show from November 30, 2023 is on YouTube (Ep. #243)

★Topics★
Tailscale website
Headscale website
Tailscale Community
Tailscale Docker Mod Blog Post
ID Headers Demo
Devrel Demo

Creators & Guests

  • (00:00) - Tailscale Everything
  • (19:37) - Tailscale Licensing
  • (28:24) - Tailscale vs Other Networking Products
  • (32:33) - Server and Key Exchange
  • (33:50) - Does Tailscale Support 'Trunking'?
  • (39:20) - Client for Mikrotik
  • (40:06) - Docker Integration
  • (43:46) - Tailscale Server on Your Own Hardware
  • (46:57) - Apple TV Client
  • (48:54) - Performance Breakthroughs
  • (50:52) - Key Exchange Mechanism

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Dockerfiles have versions?29 Dec 202300:16:06

I break down why Dockerfile frontends exist and how Docker's build engine "BuildKit" is giving us updated Dockerfile features.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

The TL;DR of this podcast is to add this to your Dockerfiles as the first line, always and forever.

# syntax=docker/dockerfile:1


It'll ensure your Dockerfile will have access to the latest v1.x features of the "Dockerfile frontend" feature of BuildKit.

★Topics★
My newsletter on Dockerfile frontends (including links and references)

Creators & Guests

  • (00:00) -
  • (00:36) - Understanding Docker Files
  • (00:47) - The Evolution of Docker Files
  • (01:05) - The Importance of Docker File Versions
  • (02:20) - The Impact of Dockerfile Standards
  • (03:41) - The Benefits of Using the Latest Dockerf ile Parser
  • (04:16) - The Challenges of Docker Engine Versions
  • (05:18) - The Advantages of Docker Front Ends
  • (07:56) - The Role of OCI in Dockerfiles
  • (10:18) - Exploring New Features in Docker File Front Ends
  • (15:27) - Conclusion: The Future of Docker Files

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Dagger: CI of the Future?15 Dec 202300:57:08

Application delivery doesn’t have to suck. Bret and Nirmal are joined by Solomon Hykes, the founder or Docker, to talk about Dagger and their application delivery-as-code that runs anywhere.

💥 This episode is brought to you by our valued sponsor and friends at CAST AI! 💥
CAST AI is an all-in-one Kubernetes cost optimization and automation platform that achieves over 60% average compute cost savings without months of onboarding. You get lightning fast autoscaling, downscaling, spot VM support and more with no hit to performance.

Use the link below and optimize your first cluster for FREE.

cast.ai/bretfisher

Solomon started Dagger after he left Docker in 2018 with a few other Docker VPs, including Sam Alba and Andrea Lusardi.

Dagger is an innovative startup aimed at simplifying and revolutionizing DevOps automation and software delivery. Created to address Docker's unattended gaps, Dagger streamlines software building, testing, and deployment, exhibiting immense growth potential and wide applications in fostering software ecosystems.

For a few years now, they've been publicly iterating on the idea of a programmable and portable automation system for software building, testing, and deploying.

In this episode, they cover many topics around Docker and Dagger. I've been convinced that I need to start trying out Dagger in my projects.

The live recording of the complete show from November 16, 2023 is on YouTube (Ep. #241)

★Topics★
Dagger website

Creators & Guests

  • (00:00) - Intro
  • (01:05) - Introducing Solomon Hykes and His Journey
  • (01:46) - Solomon's Life Post-Docker
  • (03:21) - The Genesis of Dagger
  • (08:31) - The Vision Behind Dagger
  • (25:05) - Modules and Declarative Model in Dagger
  • (34:32) - Integration of Dagger with Other Tools
  • (36:25) - Docker Slim and Dagger
  • (37:49) - Question: Dagger, Framework or Library?
  • (38:30) - Question: Dagger's with BuildKit
  • (38:54) - Question: Predictions for Dagger's Adoption
  • (40:20) - Demonstration of Dagger's Functionality
  • (40:36) - Dagger's Compatibility with Other CI Platforms
  • (50:35) - Getting Started with Dagger

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Registry is getting an upgrade: Inside OCI artifacts08 Dec 202300:20:34

The OCI specifications for registry and image are getting a minor version number update to 1.1 soon, and this could be a big deal for anyone storing artifacts other than images somewhere in their infrastructure. This episode digs into the problem with artifacts today, and how the OCI and CNCF are planning to fix it with the "one registry to serve them all (artifacts)" in 2023/2024.

💥 This episode is brought to you by our valued sponsor and friends at CAST AI! 💥
CAST AI is an all-in-one Kubernetes cost optimization and automation platform that achieves over 60% average compute cost savings without months of onboarding. You get lightning fast autoscaling, downscaling, spot VM support and more with no hit to performance.

Use the link below and optimize your first cluster for FREE.

cast.ai/bretfisher

★Topics★
OCI image and runtime specifications
Helms's new OCI artifact support
Brandon Mitchell's recent OCI Distribution 1.1 RC talk on how registries relate data objects today
Here are the Helm docs on how to use your existing registries to store charts
ORAS project
Great talk on ORAS
OCI has a great, short post summarizing technical changes in OCI Image 1.1 and Distribution 1.1 specifications.
My original newsletter with more links and screenshots, Part 1, Part 2, Part 3

Creators & Guests

  • (00:00) -
  • (00:04) - Introduction to Docker and OCI Registries
  • (02:29) - The Challenges of Artifact Storage in Enterprises
  • (03:13) - The Role of Artifactory and Other Commercial Solutions
  • (03:36) - The Problem with Artifact-Specific Storage Systems
  • (03:52) - The Need for a Single Artifact Storage Standard
  • (05:17) - The Future of OCI or Docker Registry
  • (05:28) - The OCI Registry and its Main Data Objects
  • (05:57) - The Use of Registries to Store Non-Container Image Data
  • (07:03) - The Evolution of Container Registries
  • (12:41) - The Vision of the OCI and CNCF Teams
  • (13:32) - How to Use OCI Artifacts Today
  • (15:00) - The Two Types of Artifacts and How to Use Them
  • (16:34) - The Use of OCI Artifacts in Various Tools
  • (19:03) - Conclusion: The Future of Artifact Storage

You can also support my free material by subscribing to my YouTube channel and my weekly newsletter at bret.news!

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KubeCon Live with Friends 202323 Nov 202300:50:10

Bret is joined by Nirmal and a host of friends from the floor of KubeCon, to talk about the latest news and goings-on.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

We wanted to get some of our friends and people we haven't seen in a while that are making great stuff out there on the show for just a few minutes and it's sort of a rapid panel of rotating guests. If you actually watched the video version of this, there's literally people walking in and out of the camera throughout the show.

The live recording of the complete show from November 9, 2023 is on YouTube (Ep. #240)

Creators & Guests

  • (00:00) - Intro
  • (02:04) - Welcome from KubeCon North America
  • (02:24) - Phil Estes on ContainerD
  • (03:22) - Exploring the Sandbox Service
  • (05:08) - What is Finch?
  • (09:00) - James Buren on CNCF Projects
  • (21:48) - Mike Coleman on Falco
  • (24:43) - Chad Cole on Kubernetes Certification
  • (30:57) - Nigel Poulton's Insights on KubeCon
  • (42:17) - Mauricio Salatino
  • (43:45) - Derek Morgan

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

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Moving Domain Registrars, Again17 Nov 202300:08:11

In this short episode, I tell the tale of my registrar DNS name hosting for the last 25 years and what I prefer for a cheap and reliable name registrar.

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

★Topics★


Creators & Guests


You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
Join my cloud native DevOps community on Discord.
Grab some merch at Bret's Loot Box
Homepage bretfisher.com

Multipass Local Virtual Machines10 Nov 202300:31:44

Bret and Nirmal are joined by Chris Townsend, the engineering manager for Canonical's Multipass team, to discuss how to use Multipass as the easiest local virtual machine for Docker, Kubernetes and more!

😇 My new GitHub Security workshop has launched! A free 2-hour workshop with hands-on labs to harden your repos and your workflows from common supply chain attacks. I'll cover how attackers are getting in, and then we'll lock down a sample repo so you know what needs to be done to protect your code. You'll leave with a deep understanding of risks and mitigations as well as a list of helpful tools to keep your repos safe, including my new "gasa" tool for scanning your repos and orgs.

Multipass is my go-to solution for quickly creating local virtual machines of Ubuntu. I teach it in my courses, I've used it for many years, and I was excited to have Chris on to talk about the ways to automate the creation of a VM in Multipass, and dig into the various virtualization, backends and networking options. 

We also talk about Multipass blueprints where in a demo, he shows off how to create a VM with Docker installed in a single command. It actually reminds me of Docker Machine, if you've been around a while. That also mounts your code directly into the VM and sets a host alias so that the Docker commands will pass through to Docker in the VM transparently.

If you can imagine that it basically means that you can run Docker in the VM and use it from the host as if it isn't in a VM. And then we had some great audience questions about various features of Multipass and how to use it for multi-node clustering and exposing VMs to your local network.

Live recording of the complete show from September 21, 2023 is on YouTube (Ep. #235). Includes demos.

★Topics★
Multipass website

Creators & Guests

  • (00:00) - Intro
  • (01:42) - Introducing Chris Townsend
  • (02:43) - Multipass Elevator Pitch
  • (07:10) - Getting Started with Multipass
  • (16:11) - Interacting with an Instance
  • (18:21) - Changing Image Storage Location
  • (19:32) - Does Multipass work with Hyper-V Cluster?
  • (22:29) - Expose the Internal Bridge Network via Multipass
  • (29:14) - The Future of Multipass

You can also support this podcast by subscribing to my YouTube channel and my monthly newsletter at bret.news!

Grab the best coupons for my GitHub, Agents, Docker, and Kubernetes courses.
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Homepage bretfisher.com

© My Podcast Data · Projet indépendant · Données issues d'Apple & Spotify