fix: forester Dockerfile #1881
fix: forester Dockerfile #1881
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WalkthroughThe Dockerfile for the builder stage is updated to use a multi-line Changes
Estimated code review effort1 (~2 minutes) Poem
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Actionable comments posted: 1
🔭 Outside diff range comments (1)
forester/Dockerfile (1)
14-14: Runtime image installslibssl-devinstead of the much smallerlibssl3
libssl-devships headers, static libs and ancillary build tooling that are unnecessary at runtime and inflate the final image.
Switch to the runtime library only:-RUN apt-get update && apt-get install -y ca-certificates libssl-dev && rm -rf /var/lib/apt/lists/* +RUN apt-get update && apt-get install -y --no-install-recommends ca-certificates libssl3 && \ + apt-get clean && rm -rf /var/lib/apt/lists/*This cuts ~35 MB from the final layer without functional change.
🧹 Nitpick comments (1)
forester/Dockerfile (1)
3-8: Optional: Pin package versions to make builds reproducibleConsider pinning Debian package versions (e.g.,
libssl-dev=3.0.9-1) or usingbullseye/bookwormsnapshots to guarantee byte-for-byte reproducibility across CI runs.
This is not critical but greatly improves supply-chain traceability.
| RUN apt-get update && apt-get install -y \ | ||
| clang \ | ||
| lld \ | ||
| pkg-config \ | ||
| libssl-dev \ | ||
| && rm -rf /var/lib/apt/lists/* |
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🛠️ Refactor suggestion
Use --no-install-recommends and explicit clean-up to keep the builder layer slim
apt-get install -y without --no-install-recommends drags in a sizable set of optional packages (man-pages, locales, etc.) that are irrelevant for a builder container and slow CI/CD pulls.
A minimal install is enough for clang, lld, pkg-config, and libssl-dev.
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && apt-get install -y --no-install-recommends \
clang \
lld \
pkg-config \
libssl-dev \
- && rm -rf /var/lib/apt/lists/*
+ && apt-get clean && rm -rf /var/lib/apt/lists/*(The added apt-get clean clears the local pkg cache that sometimes survives rm -rf /var/lib/apt/lists.)
🤖 Prompt for AI Agents
In forester/Dockerfile lines 3 to 8, the apt-get install command should include
the --no-install-recommends flag to avoid installing unnecessary optional
packages and reduce image size. Additionally, add an apt-get clean command after
installation to clear the local package cache, along with the existing rm -rf
/var/lib/apt/lists/* cleanup. This will keep the builder layer slim and optimize
CI/CD performance.
Summary by CodeRabbit