DevOps and Docker Talk: Cloud Native Interviews and Tooling

Bret Fisher

Interviews from Bret Fisher's live show with co-host Nirmal Mehta. Topics cover container and cloud topics like Docker, Kubernetes, Swarm, Cloud Native development, DevOps, SRE, GitOps, DevSecOps, platform engineering, and the full software lifecycle. Full show notes and more info available at https://podcast.bretfisher.com

  1. K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo

    5 hr ago ·  Video

    K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo

    OpenChoreo is an opinionated, “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. Now a CNCF project. Check out the video podcast version here:  🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 ★Show Links★ OpenChoreo on CNCFOpenChoreo on GitHubOpenChoreo websiteSRE Day walkthroughCreators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Sameera Jayasoma - Guest Lakmal Warusawithana - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    55 min
  2. Docker AI, what’s new with MCP, Agents, Sandboxes, and more

    7 Apr

    Docker AI, what’s new with MCP, Agents, Sandboxes, and more

    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 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 ★Show Links★ Docker Hardened Images for Every DeveloperDocker Hardened System PackagesHardened Images CatalogGordon AI Just Got an UpdateDocker SandboxesNanoClaw and Docker SandboxesDocker Model Runner VLLM Metal on macOSOpenWebUI + Docker Model RunnerMCP Catalog and ToolkitDynamic MCPCagent ActionPR Review Workflow of CagentNightly Docs Scan WorkflowCreators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Michael Irwin 🇺🇦 🕊 - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    1hr 16min
  3. Backup S3, Google Drive, iCloud, Notion with Plakar

    20 Mar

    Backup S3, Google Drive, iCloud, Notion with Plakar

    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 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 ★Show Links★ Plakar websitePlakar Github RepoPlakar demoPlakar on XCreators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Julien Mangeard - Guest Gilles Chehade - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    1hr 7min
  4. Your Images are Out of Date (probably) - The Silent Rebuilds problem

    4 Mar

    Your Images are Out of Date (probably) - The Silent Rebuilds problem

    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 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 ★Show Links★ Course waitlist: GitHub Actions Prohttps://www.bretfisher.com/blog/silent-rebuildshttps://github.com/BretFisher/silent-rebuildshttps://www.bretfisher.com/chainguard-eventCreators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Nirmal Mehta - Host You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    37 min
  5. AI Wins and Misses for 2025

    17 Feb

    AI Wins and Misses for 2025

    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 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 Creators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Nirmal Mehta - Host Viktor Farcic - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    1hr 15min
  6. Find Your K8s Happy Path with RawKode Academy

    23 Jan

    Find Your K8s Happy Path with RawKode Academy

    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 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 ★Show Links★ RawKode Academy websiteDavid's DiscordDavid's LinkedInDavid on social media: @rawkode everywhereCheck out the video podcast version here: https://youtu.be/1LigTOlFiYk Creators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer David Flanagan - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    51 min
  7. Move K8s Stateful Pods Between Nodes

    09/10/2025

    Move K8s Stateful Pods Between Nodes

    Bret is joined by Philip Andrews and Dan Muret of Cast AI to discuss pod live migration between nodes in a Kubernetes cluster. 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 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 Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer Dan Muret - Guest Philip Andrews - Guest You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    45 min
  8. Swarm 2030. Let's Go!

    20/08/2025

    Swarm 2030. Let's Go!

    Bret discusses exciting news about Swarm being maintained until 2030. 🙌 The Agentic DevOps Guild has launched! It's a training + community + mentorship program for engineers wanting to learn the latest CI/CD automation and dive into Agentic DevOps. Meetups are happening now, with new course videos dropping every few weeks. Join the Guild and become your team's leader in AI for infrastructure automation https://www.bretfisher.com/theguild 🍾 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 2030Awesome SwarmCheck out the video podcast version here: https://youtu.be/tmQbrCrM-yM Creators & Guests Cristi Cotovan - Editor Bret Fisher - Host Beth Fisher - Producer You can also support this podcast by subscribing to my YouTube channel and my weekly newsletter at bret.news! Grab the best coupons for my Docker and Kubernetes courses.Join my cloud native DevOps community on Discord.Grab some merch at Bret's Loot BoxHomepage 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

    24 min
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Interviews from Bret Fisher's live show with co-host Nirmal Mehta. Topics cover container and cloud topics like Docker, Kubernetes, Swarm, Cloud Native development, DevOps, SRE, GitOps, DevSecOps, platform engineering, and the full software lifecycle. Full show notes and more info available at https://podcast.bretfisher.com

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