How to Shrink Docker Images by 99%: Multi‑Stage Builds, Distroless & Layer Optimization

This guide explains why oversized Docker images hurt time, cost and performance, then walks through a real‑world case that reduces a 1.2 GB Python ML image to 8 MB using multi‑stage builds, minimal base images, layer consolidation, distroless images, BuildKit and other security‑focused optimizations.

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How to Shrink Docker Images by 99%: Multi‑Stage Builds, Distroless & Layer Optimization