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GitHub Actions

GitHub Actions helps you automate, customize, and execute your software development workflows right in your repository. You can discover, create, and share actions to perform any job you'd like, including CI/CD, and combine actions in a completely customized workflow.

Posts

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Bin packing Firecracker microVMs for GitHub Actions runners.

Bin packing Firecracker microVMs for GitHub Actions runners.

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9 min read
The CI cache key that let one branch poison every build

The CI cache key that let one branch poison every build

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2 min read
CI/CD Pipelines That Don’t Slow You Down (A Practical Guide)

CI/CD Pipelines That Don’t Slow You Down (A Practical Guide)

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3 min read
My leaderboard site updates itself while I sleep — pure-stdlib Python, GitHub Actions, zero servers

My leaderboard site updates itself while I sleep — pure-stdlib Python, GitHub Actions, zero servers

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4 min read
The Anatomy of Elastic CI: GitHub Actions ARC EKS Karpenter

The Anatomy of Elastic CI: GitHub Actions ARC EKS Karpenter

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6 min read
TruffleHog vs Gitleaks vs GitHub Secret Scanning: Why Most CI Scanners Fail (2026)

TruffleHog vs Gitleaks vs GitHub Secret Scanning: Why Most CI Scanners Fail (2026)

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7 min read
Your Sentry DSN Is a GitHub Variable, Not a Secret

Your Sentry DSN Is a GitHub Variable, Not a Secret

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4 min read
I built a tool that refuses to let AI security reviewers agree with each other

I built a tool that refuses to let AI security reviewers agree with each other

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2 min read
Deploy to EC2 from GitHub Actions without opening port 22

Deploy to EC2 from GitHub Actions without opening port 22

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5 min read
I built a hockey analytics pipeline that scrapes, models, and publishes itself every week — no server, no database

I built a hockey analytics pipeline that scrapes, models, and publishes itself every week — no server, no database

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4 min read
Putting GitHub Actions runners on your private network with NetBird

Putting GitHub Actions runners on your private network with NetBird

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6 min read
I Built DevCommand and Ended Up Changing the Way I Deploy Websites

I Built DevCommand and Ended Up Changing the Way I Deploy Websites

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5 min read
OIDC Workload Identity Federation in CI/CD: das Ende langlebiger Cloud-Secrets

OIDC Workload Identity Federation in CI/CD: das Ende langlebiger Cloud-Secrets

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4 min read
Does Actions Runner Controller on AKS save money?

Does Actions Runner Controller on AKS save money?

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6 min read
Building a Bulletproof Python CI Pipeline with GitHub Actions, DevPod & Mise (+ the Real-World Bugs We Squashed Along the Way)

Building a Bulletproof Python CI Pipeline with GitHub Actions, DevPod & Mise (+ the Real-World Bugs We Squashed Along the Way)

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9 min read
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