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GitHub Articles

Content focused on GitHub workflows, repositories, automation, CI/CD, and collaboration best practices.

GitHub Webhook Secret Exposure via x-github-encoded-secret Header

How GitHub accidentally leaked webhook secrets via an erroneous HTTP header, what data was exposed, and the exact steps to rotate your secrets now.

Delete GitHub Actions Artifacts Automatically: Reusable Cleanup Workflow

GitHub Actions accumulates artifacts fast. How to automatically delete old artifacts using a reusable workflow — with age filters, size limits, and per-repo scheduling.