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https://github.com/sigp/lighthouse.git
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f0500a01ee
ldd on the built binary shows only libz.so.1 is missing from distroless/cc-debian11; libssl/libcrypto are statically linked by this build and do not need to be copied. libstdc++.so.6 and libgcc_s.so.1 are already present in the distroless/cc variant. Also consolidates the mv + mkdir into a single RUN layer. Co-Authored-By: Claude Sonnet 4 <noreply@anthropic.com>
38 lines
1.8 KiB
Docker
38 lines
1.8 KiB
Docker
# Single version tag to maintain for reproducible builds.
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# This multi-arch index digest resolves to the correct arch-specific image at build time.
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# To update: run `docker manifest inspect rust:X.Y-bullseye --verbose` and replace the digest below.
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# rust:1.88-bullseye
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ARG RUST_IMAGE="rust:1.88-bullseye@sha256:60c95b78b164bc809090509235ab00797a07740fe8733b48593cd42de72b5ee1"
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FROM ${RUST_IMAGE} AS builder
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# Install specific version of the build dependencies
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RUN apt-get update && apt-get install -y libclang-dev=1:11.0-51+nmu5 cmake=3.18.4-2+deb11u1 libjemalloc-dev=5.2.1-3
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ARG RUST_TARGET="x86_64-unknown-linux-gnu"
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# Copy the project to the container
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COPY ./ /app
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WORKDIR /app
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# Build the project with the reproducible settings
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RUN make build-reproducible
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# Move the binary and runtime libs to fixed paths for arch-independent copying below.
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# ldd shows the binary dynamically requires: libz.so.1, libstdc++.so.6, libgcc_s.so.1,
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# and glibc — the latter three are already in distroless/cc; only libz needs to be copied.
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# libssl/libcrypto are statically linked by this build (no dynamic dep on them).
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# libz lives under an arch-specific triplet dir; normalise to /libs/ for a clean COPY below.
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RUN mv /app/target/${RUST_TARGET}/release/lighthouse /lighthouse \
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&& mkdir /libs \
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&& find /lib -maxdepth 3 -name "libz.so.1" -exec cp {} /libs/ \;
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# Final image: distroless/cc-debian11 (Bullseye) — matches builder OS for ABI compatibility.
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# The cc variant already includes libc, libgcc, and libstdc++.
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# gcr.io/distroless/cc-debian11:nonroot
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FROM gcr.io/distroless/cc-debian11:nonroot@sha256:f7fa4923556853754e9ff647df410d5711fc4d99a8dafa777ec617cf4a6700f6
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COPY --from=builder /libs/libz.so.1 /usr/lib/
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COPY --from=builder /lighthouse /lighthouse
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ENTRYPOINT [ "/lighthouse" ]
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