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A tiny on‑demand S3 proxy that stopped my CI chewing bandwidth — and the stale file that taught me cache humility
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The 5‑Minute Smoke Test I Run Before Every Push (and the one bug it missed)
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A local GitHub Actions runner that saved a demo — and the night it ran my CI overnight
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The ₹300 build‑cache server that cut our Docker CI by 70% (and the day it went stale)
