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Bret Fisher

@bretfisher.com
1.4K followers 529 following 470 posts

Docker Captain 🐳 & Cloud Native Ambassador ⎈ Maker of best selling courses 👨‍🏫 Beach life 🏖 | Navy vet ⚓️ AI in CI agenticdevops.pro Stream bret.live Discord devops.fan Newsletter bret.news Links bretfisher.com/start

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Bret Fisher @bretfisher.com · 25/09/2026
🎙️ Just published a new episode of Agentic DevOps : AI Engineering for Infrastructure: Rogue AI or Just Sloppy Ops?. Have a listen:
agenticdevops.fm
Rogue AI or Just Sloppy Ops?
The OpenAI Hugging Face hack. The Anthropic testing failures. Listen to...
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Bret Fisher @bretfisher.com · 18/09/2026
🎙️ Just published podcast episode 196: A single API for multicloud with Control Plane
podcast.bretfisher.com
A single API for multicloud with Control Plane
Control Plane CEO Doron Grinstein joins me to discuss how they’ve...
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Bret Fisher @bretfisher.com · 01/09/2026
Doing the work of evaling my badass GitHub Actions skill then tweaking, then eval, then tweak, ♾ to prove that my skill works even on Haiku, which is the shittiest of all the models now
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Bret Fisher @bretfisher.com · 26/08/2026
Create, troubleshoot, and audit your GitHub Actions with every trick and best practice I know youtu.be/zPWAjOWimak
youtu.be
I Built The Ultimate Agent Skill for GitHub Actions: See How I Made It
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 21/08/2026
🎙️ Just published a new episode of Agentic DevOps : AI Engineering for Infrastructure: AI Agent Sandboxing with Nono. Have a listen:
agenticdevops.fm
AI Agent Sandboxing with Nono
Luke Hinds, co-founder of nolabs Inc. and the nono project, joins me to...
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Bret Fisher @bretfisher.com · 13/08/2026
🎙️ Just published podcast episode 195: CI/CD via agent tools: Skills, CLIs, MCP, and more with Semaphore
podcast.bretfisher.com
CI/CD via agent tools: Skills, CLIs, MCP, and more with Semaphore
What does an AI-native CI look like? The Semaphore team joins me to talk...
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Bret Fisher @bretfisher.com · 01/08/2026
🎙️ Just published a new episode of Agentic DevOps : AI Engineering for Infrastructure: AI-Native Engineering Culture from a CTO. Have a listen:
agenticdevops.fm
AI-Native Engineering Culture from a CTO
My friend Mike Rollins joins me for a chat about what it’s like leading...
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Bret Fisher @bretfisher.com · 30/07/2026
WE LIVE! www.youtube.com/watch?v=Vka1...
youtube.com
On Stream: CI/CD via agent tools: Skills, CLIs, MCP, and more with Semaphore
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 29/07/2026
What does an AI-native CI look like, and how can you get there? The Semaphore team joins me to talk about their focus on making your agent harness the gateway to testing, fixing, and deploying your code. www.youtube.com/watch?v=Vka1...
youtube.com
On Stream: CI/CD via agent tools: Skills, CLIs, MCP, and more with Semaphore
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 22/07/2026
Streaming tomorrow: Agent Sandboxing with "nono". Co-founder @lukehinds.bsky.social joins me as we dig into how it works, how to restrict single commands, agent harnesses, tool calls, and egress filtering URLs, e.g. blocking GitHub write access #devsecops #agenticdevops youtube.com/live/qZ2AOZj...
youtube.com
On Stream: Agent Sandboxing with nono
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 09/07/2026
My #GitHub Actions Security Hardening workshop is free next week. Months of research and tool-making resulted in a 2-hour event that shows you where your repos are lacking in security for your workflows, and how to fix them www.bretfisher.com/gasa-workshop
bretfisher.com
GitHub Actions Security Workshop, Sponsored by Chainguard
Harden your GitHub workflows and repos from the most common supply chain attacks. A hands-on workshop taught by Cloud Native Ambassador and Docker Captain Bret Fisher.
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Bret Fisher @bretfisher.com · 17/06/2026
🎙️ Just published a new episode of Agentic DevOps : AI Engineering for Infrastructure: Safer Agent Automation with GitHub Agentic Workflows. Have a listen:
agenticdevops.fm
Safer Agent Automation with GitHub Agentic Workflows
A deep dive into GitHub’s Agentic Workflows feature, with Don Syme of...
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Bret Fisher @bretfisher.com · 17/06/2026
So many agent harness sessions and the async nature of prompting is changing our terminals. Have you switched? www.youtube.com/watch?v=98CM...
youtube.com
My new terminal daily driver: Supacode for macOS
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 16/06/2026
🎙️Podcast drop: Manage #Kubernetes agent-first with OpenChoreo, a new CNCF project that wants to make K8s “AI-native.” Watch the video podcast: youtu.be/AqGWjxEfj2g Listen to the audio podcast: podcast.bretfisher.com/episodes/k8s...
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Bret Fisher @bretfisher.com · 13/06/2026
🎙️ Just published podcast episode 194: K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo
podcast.bretfisher.com
K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo
OpenChoreo is an opinionated, “batteries included”, AI-native Kubernetes...
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Bret Fisher @bretfisher.com · 08/06/2026
"In all of 2025, GitHub processed 1 billion commits. Now it processes 1.4 billion a month. Daigle says agents alone are now creating more than 17 million pull requests a month." thenewstack.io/github-wants... #github #githubactions
thenewstack.io
How GitHub plans to win developers back
For much of the past year, GitHub has not been the stable utility developers had long gotten used to. Outages,
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Bret Fisher @bretfisher.com · 06/06/2026
Talking about #Kubernetes + AI is confusing, as there are three types of job roles doing this work. I wrote about what I'm seeing across dozens of #DevOps teams I've talked to this year and predicting what K8s will look like with agents built-in www.bretfisher.com/newsletters/...
bretfisher.com
AI-Native Kubernetes: What Does it Mean?
Kubernetes is all about AI now, but what does that mean for cluster admins and platform engineers?
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Bret Fisher @bretfisher.com · 03/06/2026
A CNCF Kubernetes “super distro” with built-in agents and all the fixin’s. OpenChoreo is on the stream this week, so we can get nerdy and explain how it’s different from that other distro. Click Notify to join us Thursday www.youtube.com/watch?v=XZ-y...
youtube.com
K8s Maxxing with AI-Native Platform Engineering Stack with OpenChoreo
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 02/06/2026
We knew the tokens were subsidized. We used Opus with glee. Now we get to add cost as the next dimension to this already complex equation, which carries a non-zero risk of costing more than it’s worth to implement
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Bret Fisher @bretfisher.com · 30/05/2026
One of my favorite quirks of Opus (all LLM models?) is how they voluntarily estimate labor time, saying "Cost of this feature: Small. Half-day of...." and I'm thinking, bro... you and I both know you'll be done in 5 minutes, stop the humble brag
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Bret Fisher @bretfisher.com · 28/05/2026
Releasing a #GitHub Actions Security scanner on the stream youtube.com/live/7rAn7Qr...
youtube.com
Defending GitHub Actions: Security Analysis with GASA
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 28/05/2026
/me Reminds myself again that we're living through an incredible moment in our software careers, and to take a minute, lean back, and be present in the chaos that we will tell tales of in a decade or two. Every day could have moments of eureka, dread... or both, and that's a rare experience in life
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Bret Fisher @bretfisher.com · 21/05/2026
Streaming about agents shaping the future cloud (aka I have no idea what I'm doing) www.youtube.com/watch?v=Q7Av...
youtube.com
What is Agent-Native Cloud?
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 09/05/2026
I shipped 4 more videos on how different agent harnesses deal with AGENTS and CLAUDE md files. The Agentic DevOps guild has now had 8 weeks of meetups with ~40 engineers representing their teams in adopting AI in CI and platform engineering roles www.bretfisher.com/theguild
bretfisher.com
Join the Agentic DevOps Guild, from Bret Fisher
Where LLMs, AI Agents, and MCP tools meet DevOps. Stay at the top of your DevOps game during the AI transition by gaining access to all Bret's agentic DevOps and CI/CD content, along with an exclusive...
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Bret Fisher @bretfisher.com · 07/05/2026
on stream: gonna test out some agent harness sandboxes youtube.com/live/p3g7-fz...
youtube.com
On Stream: Agent Sandboxes
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 06/05/2026
🎙️ Just published a new episode of Agentic DevOps : AI Engineering for Infrastructure: AI SREs, Chat With Your Infrastructure with Anyshift. Have a listen:
agenticdevops.fm
AI SREs, Chat With Your Infrastructure with Anyshift
Bret’s joined by the Anyshift.io co-founders, Roxane Fischer and...
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Bret Fisher @bretfisher.com · 30/04/2026
joining @vfarcic.bsky.social aka DevOps Toolkit for a talk about AI in your DevOps www.youtube.com/live/PClC7l0...
youtube.com
DevOps & AI Q&A
YouTube video by DevOps & AI Toolkit
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Bret Fisher @bretfisher.com · 29/04/2026
🎙️ Just published a new episode of Agentic DevOps: Can AI Agents Safely Become DevOps Engineers?. Have a listen:
agenticdevops.fm
Can AI Agents Safely Become DevOps Engineers?
Sam Alba, co-founder of Mendral, joins the show to discuss their new AI...
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Bret Fisher @bretfisher.com · 28/04/2026
East Coast is for #devopsdays! #Nashville is in two weeks, and I have a 20% off coupon for ya: DODBRET-GET20OFF Talks include stress-testing AI agents, AI “slop wrangling”, Docker + MCP, and using agent skills and MCP for IaC. Checkout the program: devopsdays.org/events/2026-... #devops
devopsdays.org
Program
Program for devopsdays nashville 2026
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Bret Fisher @bretfisher.com · 14/04/2026
🎙️ Just published a new episode of Agentic DevOps: Our Favorite Agent Setups. Have a listen:
agenticdevops.fm
Our Favorite Agent Setups
My friend Brian Christner (Docker Captain alum) and I go through our AI...
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Reposted by Bret Fisher
GOTO Conferences @gotocon.com · 10/04/2026
#GOTOpodcast: @bretfisher.com & @eltonstoneman.bsky.social talk #Docker. -> what still matters -> where people get stuck -> the gap between “it runs” and “I know what I’m doing” -> why fundamentals still show up in every real system 🎧 gotopia.tech/podcast
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Bret Fisher @bretfisher.com · 07/04/2026
🎙️ Just published podcast episode 193: Docker AI, what’s new with MCP, Agents, Sandboxes, and more
podcast.bretfisher.com
Docker AI, what’s new with MCP, Agents, Sandboxes, and more
Michael Irwin of Docker joins me to run through Gordon AI improvements,...
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Bret Fisher @bretfisher.com · 26/03/2026
Live RN. Claude Code vs. OpenCode. I've used both for 4+ months back and forth. #OpenCode speaks to me, and I love it's client/server architecture, but CC has an edge in some areas. I'm no expert yet, but I've got 12 reasons I like OC better! youtube.com/live/yLCq3Sx... #ClaudeCode
youtube.com
On Stream: Claude Code vs. OpenCode
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 26/03/2026
The Agentic DevOps Podcast is back! Just in time for your flight home from #kubecon agenticdevops.fm/episodes/fou...
agenticdevops.fm
Agentic DevOps | Four Months Felt Like Four Years
It’s been 6 months since the last episode, and it feels like everything has changed. Bret and Nirmal catch you up on the increasing pace of AI change, how it will likely affect DevOps engineers and...
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Bret Fisher @bretfisher.com · 26/03/2026
🎙️ Just published a new episode of Agentic DevOps: Four Months Felt Like Four Years. Have a listen:
agenticdevops.fm
Four Months Felt Like Four Years
It’s been 6 months since the last episode, and it feels like everything...
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Bret Fisher @bretfisher.com · 26/03/2026
Which is more active and more authentic at #kubecon, X or Bluesky? I asked Claude for analysis of last two days. Across both, 2/3rd of posts are corporate accounts or humans promoting, with 1/3rd being genuine experiences and shared learnings. X has more posts, but Bluesky has more "real humans"
Stats of posts and people posting them on X and Bluesky for KubeCone, with this summary text underneath the stats: Verdict: X Has More Volume, but Bluesky Has More Authentic Voices
X has more raw posts (~260 vs ~190), driven heavily by corporate and bot accounts. The percentages are actually similar across both platforms — about 64–67% of posts on both are some form of marketing or corporate presence.
However the unique human voices in Category 3 tell a starker story: Bluesky had ~54 distinct humans just sharing their experience, while X had only ~32. Bluesky's Category 3 is qualitatively richer — more humor, personal observations, reactions to talks, community moments. X's Category 3 is thinner and more diluted by news-summarizer accounts and amplification bots.
One notable X-specific pattern: about 14+ near-identical tweets from different human-looking accounts all sharing the exact same Broadcom press release within hours of each other — coordinated PR amplification that has no real equivalent on the Bluesky feed.
So yes — your hypothesis holds on X too. But the ratio of authentic-to-promotional is actually slightly better on Bluesky, and the humans posting there are doing so with noticeably more personality.
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Bret Fisher @bretfisher.com · 25/03/2026
Big announcement: The Agentic DevOps Guild is open! It's an AI+DevOps all-in-one learning accelerator of courses, meetups, and community. Helping people adopt agents in #DevOps, #platformengineering, and #SRE is all I think about now 😂. I missed #kubecon to launch this 😭 www.bretfisher.com/theguild
bretfisher.com
Join the Agentic DevOps Guild, from Bret Fisher
Where LLMs, AI Agents, and MCP tools meet DevOps. Stay at the top of your DevOps game during the AI transition by gaining access to all Bret's agentic DevOps and CI/CD content, along with an exclusive...
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Bret Fisher @bretfisher.com · 20/03/2026
🎙️ Just published podcast episode 192: Backup S3, Google Drive, iCloud, Notion with Plakar
podcast.bretfisher.com
Backup S3, Google Drive, iCloud, Notion with Plakar
Bret is joined by the founders of Plakar - Julien Mangeard and Gilles...
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Bret Fisher @bretfisher.com · 19/03/2026
I'll be live streaming at 1pm EDT today (UTC-4) with my friend from Docker, Michael Irwin. Join us as we talk through the last six months of product releases and major feature announcements. www.youtube.com/watch?v=-Y9h...
youtube.com
On Stream: Docker AI, what’s new with MCP, Agents, Sandboxes, and more
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 12/03/2026
My friend Brian Christner (former Docker Captain) and I go through our AI harnesses, agents, models, and what we’re playing with right now. #OpenClaw, #OpenCode, #Claude Code, #Copilot, and all of it. Today at 1pm US ET. youtube.com/live/yh6zPMM...
youtube.com
On Stream: AI Agent Setups
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 05/03/2026
gonna talk more about this weeks GitHub Actions attack on Trivy and other open source projects youtube.com/live/zkT-Bg8...
youtube.com
On Stream: Prevent GitHub Actions Attacks
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 04/03/2026
🎙️ Just published podcast episode 191: Your Images are Out of Date (probably) - The Silent Rebuilds problem
podcast.bretfisher.com
Your Images are Out of Date (probably) - The Silent Rebuilds problem
Container base images (like Official Docker Hub images) are often...
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Bret Fisher @bretfisher.com · 26/02/2026
Gonna talk about my #Opencode and #GitHub #Copilot setup in a few youtube.com/live/LrBoWZ2...
youtube.com
On Stream: Opencode with GitHub Copilot
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 17/02/2026
🎙️ Just published podcast episode 190: AI Wins and Misses for 2025
podcast.bretfisher.com
AI Wins and Misses for 2025
I'm joined by Nirmal Mehta of AWS and Viktor Farcic from Upbound, to go...
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Bret Fisher @bretfisher.com · 02/02/2026
Years ago, internet told me "balls out" was a sailor metaphor for fully stocked cannon balls, but ChatGPT says that's folklore and it likely came from pilots referring to full throttle because the "balls" on their control sticks were fully "out"
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Bret Fisher @bretfisher.com · 23/01/2026
🎙️ Just published podcast episode 189: Find your K8s happy path with RawKode Academy
podcast.bretfisher.com
Find your K8s happy path with RawKode Academy
I talk with David Flanagan, aka Rawkode, about his new opinionated Tech...
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Bret Fisher @bretfisher.com · 22/01/2026
Streaming some CI testing of AI #GitHub Actions youtube.com/live/UIklvek...
youtube.com
On Stream: AI in my CI
YouTube video by Bret Fisher
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Bret Fisher @bretfisher.com · 17/01/2026
#GitHub Copilot Pro Tip™. Copilot has lots of features/models, including the new Copilot Memory, but many are disabled by default. Check your settings: github.com/settings/cop...
github.com
Build software better, together
GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.
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Bret Fisher @bretfisher.com · 14/01/2026
Aaron is so good at getting to the heart of why we are devs, and it's why his content and courses stand out as something I always read and watch.
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Bret Fisher @bretfisher.com · 14/01/2026
Paul is a national treasure www.youtube.com/shorts/VhzJx...
youtube.com
Paul Rudd's Hollywood Beefs
YouTube video by Rick Glassman
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