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Optimizing GitHub Actions Build Times with Smart Caching
Learn how to use actions/cache to reduce CI build times by implementing lockfile hashing and understanding cache key strategies.
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Learn how to use actions/cache to reduce CI build times by implementing lockfile hashing and understanding cache key strategies.
actions/cache speeds up GitHub Actions by restoring your package manager's download store between runs — but only if your key includes a lockfile hash.
Goal Select a cache key strategy for GitHub Actions dependency caching that balances artifact freshness against cache hit rates in a repository with frequent transitive dependency updates. Constraints and uncertainty The actions/cache action uses an immutable primary key (typically a hash of lockfiles) and optional restore-keys for fallback. Stale restores o
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