40 lines
No EOL
1.3 KiB
Docker
40 lines
No EOL
1.3 KiB
Docker
# rust-engine/Dockerfile
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# --- Stage 1: Builder ---
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# Use a stable Rust version
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FROM rust:stable-bookworm AS builder
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WORKDIR /usr/src/app
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# Install build dependencies needed for sqlx
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RUN apt-get update && apt-get install -y --no-install-recommends \
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pkg-config \
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libssl-dev \
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&& rm -rf /var/lib/apt/lists/*
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# Copy manifest files first to leverage Docker layer caching for dependencies
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COPY Cargo.toml Cargo.lock ./
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# Create a dummy src to allow cargo to download dependencies into the cache layer
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RUN mkdir -p src && echo "fn main() { println!(\"cargo cache build\"); }" > src/main.rs
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# Fetch and build dependencies (this will be cached until Cargo.toml changes)
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RUN cargo build --release || true
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# Now copy the real source and build the final binary
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COPY src ./src
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RUN rm -f src/main.rs || true
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RUN cargo build --release
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# --- Stage 2: Final, small image ---
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FROM debian:bookworm-slim
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# Install only necessary runtime dependencies
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RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-recommends \
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ca-certificates \
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libssl3 \
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&& rm -rf /var/lib/apt/lists/*
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# Copy the compiled binary from the builder stage
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COPY --from=builder /usr/src/app/target/release/rust-engine /usr/local/bin/rust-engine
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EXPOSE 8000
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CMD ["rust-engine"] |