31 lines
754 B
Docker
31 lines
754 B
Docker
FROM rust:1.85-slim AS builder
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WORKDIR /usr/src/app
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# Cache deps as their own layer.
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COPY Cargo.toml Cargo.lock ./
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RUN mkdir -p src \
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&& echo "fn main() {}" > src/main.rs \
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&& cargo build --release \
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&& rm -rf src target/release/deps/backend* target/release/backend*
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# Now build the real source.
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COPY src ./src
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RUN cargo build --release
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FROM debian:bookworm-slim
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RUN apt-get update \
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&& apt-get install -y --no-install-recommends ca-certificates curl \
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&& rm -rf /var/lib/apt/lists/* \
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&& groupadd --system --gid 1000 app \
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&& useradd --system --uid 1000 --gid app --home-dir /app app
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WORKDIR /app
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COPY --from=builder /usr/src/app/target/release/backend /usr/local/bin/backend
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USER app:app
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EXPOSE 3000
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CMD ["backend"]
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