FROM alpine:3.10 RUN apk add --no-cache \ ca-certificates \ gcc ENV RUSTUP_HOME=/usr/local/rustup \ CARGO_HOME=/usr/local/cargo \ PATH=/usr/local/cargo/bin:$PATH \ RUST_VERSION=1.43.1 RUN set -eux; \ url="https://static.rust-lang.org/rustup/archive/1.21.1/x86_64-unknown-linux-musl/rustup-init"; \ wget "$url"; \ echo "0c86d467982bdf5c4b8d844bf8c3f7fc602cc4ac30b29262b8941d6d8b363d7e *rustup-init" | sha256sum -c -; \ chmod +x rustup-init; \ ./rustup-init -y --no-modify-path --profile minimal --default-toolchain $RUST_VERSION; \ rm rustup-init; \ chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \ rustup --version; \ cargo --version; \ rustc --version;