DevOps & CI/CD

Optimizing Docker with Multi-Stage Builds

DevOps & CI/CD diagram · made in Skemio

Architecture diagram contrasting a heavy compilation stage with compiler tools against a lightweight distroless runner container receiving only the compiled binary.
Architecture diagram contrasting a heavy compilation stage with compiler tools against a lightweight distroless runner container receiving only the compiled binary.
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What it shows

  • Cuts container image payloads down from 1.2 GB to under 25 MB
  • Eliminates build tooling like compilers, package managers, and secret tokens
  • Distroless scratch images leave zero interactive shells for attackers to use

The takeaway

Multi-stage builds leave compilation toolchains in temporary layers, deploying only the bare binary.

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