38 lines
1.3 KiB
Docker
38 lines
1.3 KiB
Docker
# syntax = docker/dockerfile:1.2
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# We use a multi-stage build to end up with a very small final image
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FROM alpine:latest AS builder
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ENV PATH "$PATH:/root/.cargo/bin"
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WORKDIR /usr/src/app
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# Install build dependencies, rustup & rust's nightly build & toolchain
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RUN apk update && apk add --no-cache openssl-dev build-base curl && \
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{ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain nightly; }
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# Copy source code over to builder
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COPY Cargo.toml Cargo.lock ./
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COPY src/ ./src/
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# Run the tests, don't want no broken docker image
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# And then finally, build the project
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# Thank the lords that this article exists
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# https://users.rust-lang.org/t/sigsegv-with-program-linked-against-openssl-in-an-alpine-container/52172
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# TODO add what these flags do & why they work
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# NOTE: cargo install auto-appends bin to the path
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RUN --mount=type=cache,target=/usr/src/app/target RUSTFLAGS="-C target-feature=-crt-static" cargo test && \
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RUSTFLAGS="-C target-feature=-crt-static" cargo install --path . --bin fej --root /usr/local
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# Now, we create the actual image
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FROM alpine:latest
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# Install some dynamic libraries needed for everything to work
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RUN apk update && apk add --no-cache openssl libgcc
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# Copy binary over to final image
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COPY --from=builder /usr/local/bin/fej /usr/local/bin/fej
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CMD ["/usr/local/bin/fej"]
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