48 lines
1.2 KiB
Docker
48 lines
1.2 KiB
Docker
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####################################################################################################
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## Builder
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####################################################################################################
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FROM rust:latest AS builder
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RUN rustup target add x86_64-unknown-linux-musl
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RUN apt update && apt install -y musl-tools musl-dev
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RUN update-ca-certificates
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# Create appuser
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ENV USER=small-rust
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ENV UID=10001
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RUN adduser \
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--disabled-password \
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--gecos "" \
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--home "/nonexistent" \
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--shell "/sbin/nologin" \
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--no-create-home \
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--uid "${UID}" \
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"${USER}"
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WORKDIR /app
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COPY ./ .
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RUN cargo build --target x86_64-unknown-linux-musl --release
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####################################################################################################
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## Final image
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####################################################################################################
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FROM scratch
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# Import from builder.
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COPY --from=builder /etc/passwd /etc/passwd
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COPY --from=builder /etc/group /etc/group
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WORKDIR /app
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# Copy our build
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COPY --from=builder /app/target/x86_64-unknown-linux-musl/release/small-rust ./
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# Use an unprivileged user.
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USER small-rust:small-rust
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CMD ["/app/small-rust"]
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