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reuse previous build artifacts

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Shautvast 2026-04-03 21:59:56 +02:00
parent 77f6e859ff
commit 64a4993e9d
1 changed files with 8 additions and 4 deletions
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backend/Dockerfile
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@ -2,10 +2,14 @@
FROM rust:1.94-bookworm AS builder
WORKDIR /usr/src/app
COPY Cargo.toml Cargo.lock* ./
COPY src/ src/
RUN cargo build --release
# Cache dependency build: only re-runs when Cargo.toml/lock change
COPY Cargo.toml Cargo.lock* ./
RUN mkdir src && echo 'fn main() {}' > src/main.rs && cargo build --release && rm -rf src
# Now copy real source and build (dependencies already compiled)
COPY src/ src/
RUN touch src/main.rs && cargo build --release
# Stage 2: Runtime
FROM debian:bookworm-slim
@ -18,4 +22,4 @@ COPY --from=builder /usr/src/app/target/release/maps-backend /usr/local/bin/maps
EXPOSE 8080
CMD ["maps-backend"]
CMD ["maps-backend"]