Graham McIntire
6e64e0850b
The Elixir build workflow only pushes :${TAG} (timestamped) and :latest
— there is no :main tag. Switch to :latest to match what's actually
published.
56 lines
1.8 KiB
Docker
56 lines
1.8 KiB
Docker
# syntax=docker/dockerfile:1.7
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#
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# Multi-arch build for `prop-grid-rs`. wgrib2 isn't in Debian apt — the
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# Elixir image builds it from source in its own stage. Rather than
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# rebuild it here (~5 min per CI run), copy the binary + libg2c out of
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# the already-published Elixir image.
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#
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# Runtime uid 65534 matches the fsGroup on the NFS scores mount.
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ARG WGRIB2_IMAGE=git.mcintire.me/graham/prop:latest
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FROM ${WGRIB2_IMAGE} AS wgrib2-src
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FROM rust:1.94-trixie AS builder
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WORKDIR /src
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# Cache deps: copy manifests first so dependency changes alone don't
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# invalidate the source-layer cache.
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COPY Cargo.toml Cargo.lock* ./
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RUN mkdir -p src src/bin \
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&& echo 'fn main() {}' > src/bin/worker.rs \
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&& echo '' > src/lib.rs \
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&& cargo build --release --bin worker \
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&& rm -rf src
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COPY src ./src
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COPY tests ./tests
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# Lint + test gate the image build — a regressed scorer or a clippy
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# warning never produces a pushable image.
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RUN rustup component add clippy \
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&& cargo clippy --all-targets -- -D warnings \
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&& cargo test --release \
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&& cargo build --release --bin worker
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# Runtime image: slim debian + the shared libs wgrib2 links against.
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# libgfortran5/libaec0/zlib1g/libpng16-16t64/libopenjp2-7 mirror the
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# Elixir runtime stage.
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FROM debian:trixie-slim AS runtime
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RUN apt-get update && apt-get install -y --no-install-recommends \
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ca-certificates \
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tini \
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libgfortran5 \
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libaec0 \
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zlib1g \
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libpng16-16t64 \
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libopenjp2-7 \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=wgrib2-src /usr/local/bin/wgrib2 /usr/local/bin/wgrib2
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COPY --from=wgrib2-src /usr/local/lib/libg2c.so* /usr/local/lib/
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RUN ldconfig
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COPY --from=builder /src/target/release/worker /usr/local/bin/prop-grid-rs
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USER 65534:65534
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ENTRYPOINT ["/usr/bin/tini", "--", "/usr/local/bin/prop-grid-rs"]
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