Caching Strategy Optimizer Dramatically speed up CI pipelines with intelligent caching. Cache Key Strategy Package Manager Caches Docker Layer Caching Using Buildx Registry-based Cache Build Output Caching Test Results Caching Before/After Metrics Cache Hit Rate Monitoring Best Practices 1. Precise keys : Include all dependencies in hash 2. Restore keys : Fallback to partial matches 3. Multiple paths : Cache related files together 4. Size limits : GitHub Actions limit is 10GB 5. Expiration : Caches expire after 7 days 6. Mode=max : Docker cache mode for better hits 7. Monitor hits : Track cac…