Tag: DevOps
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Git Merge vs Rebase: 10K Commit Performance Test Results
Git merge vs rebase performance tested on 10K commits. Surprising results on speed, conflict resolution, and when each strategy wins.
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GitHub Actions Self-Hosted Runners: 3 Security Risks
Self-hosted GitHub Actions runners cut costs but open 3 critical attack vectors. Real exploits, fixes, and when $100/month is cheaper than free.
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Docker Build Cache: 7 Layer Patterns That Cut CI by 73%
Cut Docker CI builds from 14min to 47sec with 7 layer caching patterns. Real measurements on dependency ordering, BuildKit mounts, and multi-stage builds.
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Git Worktree Race Conditions: 3 Corruptions & Fixes
Fix Git worktree race conditions causing index corruption, ref conflicts, and lock failures. Learn 3 failure modes + atomic solutions.
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Git Rebase –onto: 4 Interview Scenarios That Break Merge
Drop commits mid-branch, fix orphaned dependencies, rebase onto merge pointsโ4 production scenarios where --onto beats cherry-pick every time.
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Docker Compose DNS Fails in Prod: 4 Fixes That Work
Docker Compose DNS failing in production? Debug network conflicts, resolve service discovery issues, and fix container communication with these 4 proven methods.
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GitHub Actions vs GitLab CI: Cache Speed at 2.1s vs 8.4s
GitHub Actions vs GitLab CI cache speed test: 2.1s vs 10.5s for 400MB node_modules. Real benchmarks, compression tricks, Docker layer caching.
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Git Cherry-Pick Conflicts: 3 Fixes Beginners Miss
Fix Git cherry-pick conflicts fast with 3 proven methods. Learn abort, resolve, and continue strategies that save hours of debugging time.