Dockerfile

FROM buildpack-deps:bullseye

LABEL org.opencontainers.image.source=https://github.com/rust-lang/docker-rust

ENV RUSTUP_HOME=/usr/local/rustup \
    CARGO_HOME=/usr/local/cargo \
    PATH=/usr/local/cargo/bin:$PATH \
    RUST_VERSION=1.87.0

RUN set -eux; \
    dpkgArch="$(dpkg --print-architecture)"; \
    case "${dpkgArch##*-}" in \
        amd64) rustArch='x86_64-unknown-linux-gnu'; rustupSha256='20a06e644b0d9bd2fbdbfd52d42540bdde820ea7df86e92e533c073da0cdd43c' ;; \
        armhf) rustArch='armv7-unknown-linux-gnueabihf'; rustupSha256='3b8daab6cc3135f2cd4b12919559e6adaee73a2fbefb830fadf0405c20231d61' ;; \
        arm64) rustArch='aarch64-unknown-linux-gnu'; rustupSha256='e3853c5a252fca15252d07cb23a1bdd9377a8c6f3efa01531109281ae47f841c' ;; \
        i386) rustArch='i686-unknown-linux-gnu'; rustupSha256='a5db2c4b29d23e9b318b955dd0337d6b52e93933608469085c924e0d05b1df1f' ;; \
        *) echo >&2 "unsupported architecture: ${dpkgArch}"; exit 1 ;; \
    esac; \
    url="https://static.rust-lang.org/rustup/archive/1.28.2/${rustArch}/rustup-init"; \
    wget "$url"; \
    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
    chmod +x rustup-init; \
    ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION --default-host ${rustArch}; \
    rm rustup-init; \
    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
    rustup --version; \
    cargo --version; \
    rustc --version;