herel
4482c4041e
- Copy Cargo files first to leverage Docker layer caching - Build dependencies separately before copying source code - Use cache mounts for cargo registry to speed up builds - Fix binary path in final stage from cargo bin to target release
39 lines
1.1 KiB
Docker
39 lines
1.1 KiB
Docker
# Build stage
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FROM rust:1.91 AS builder
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WORKDIR /usr/src/pop_imap_importer
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# Copy manifests first to leverage Docker layer caching
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COPY Cargo.* ./
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# Create a dummy src/main.rs file to build dependencies
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RUN mkdir -p src && \
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echo "fn main() {}" > src/main.rs
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# Build dependencies only - this will be cached as long as Cargo.toml/Cargo.lock don't change
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RUN --mount=type=cache,target=/usr/local/cargo/registry \
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cargo build --release
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# Copy the actual source code
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COPY src src
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RUN touch src/main.rs
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# Build the actual application
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RUN --mount=type=cache,target=/usr/local/cargo/registry \
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ls -lh target/release && \
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cargo build --release
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# Runtime stage
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FROM debian:bookworm-slim
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# Install CA certificates and OpenSSL runtime libraries
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RUN apt-get update && \
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apt-get install -y ca-certificates libssl3 && \
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rm -rf /var/lib/apt/lists/*
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# RUN apt-get update && apt-get install -y extra-runtime-dependencies && rm -rf /var/lib/apt/lists/*
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COPY --from=builder /usr/src/pop_imap_importer/target/release/rs_pop_imap_importer /usr/local/bin/pop_imap_importer
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CMD ["pop_imap_importer"]
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