48 lines
1.7 KiB
Text
48 lines
1.7 KiB
Text
# Note that building this requires the proper build context
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# This file builds the server only, and does not copy the frontend build.
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# This is useful for frontend development, as it allows you to run the frontend
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# with an actual backend.
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# Note that this runs the server in debug mode, which is slower than release mode.
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# Builds the server in an isolated stage
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# We use musl to get a truly static binary
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# that runs cleanly without depending on glibc.
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FROM docker.io/rust:latest as builder
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RUN apt update
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RUN apt install musl musl-dev musl-tools -y
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RUN rustup target add x86_64-unknown-linux-musl
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# Some hacks to make podman cache build deps, see:
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# https://whitfin.io/blog/speeding-up-rust-docker-builds/
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RUN cargo new build-container
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WORKDIR /build-container
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COPY server/Cargo.toml server/Cargo.lock ./
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RUN cargo build --target x86_64-unknown-linux-musl
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RUN rm src/*.rs
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ADD server /build-container
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# Note that '--release' is missing here, so we build in debug mode
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RUN cargo build --target x86_64-unknown-linux-musl
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# Final stage, copy the server binary and the frontend build
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# This stage is the actual container, and is based on alpine
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# a minimal linux distribution resulting in a small image.
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FROM docker.io/alpine:latest as runner
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# Add a non-root user for running the server
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RUN addgroup -S user && adduser -S user -G user
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WORKDIR /runner
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# Copy the server binary and the public directory, note the debug binary
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COPY --from=builder /build-container/target/x86_64-unknown-linux-musl/debug/server /runner/server
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RUN mkdir /runner/public
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RUN echo "Debug build!" > /runner/public/index.html
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# Make sure the user can access the files
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RUN chown -R user:user /runner
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USER user
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# Run the server
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EXPOSE 8080
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CMD ["./server"]
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