FROM ubuntu:18.04 RUN \ apt-get update && \ apt-get install -yy curl gcc git make && \ rm -rf /var/lib/apt/lists/* RUN curl -Lo rustup.sh https://sh.rustup.rs && \ sh rustup.sh --default-toolchain nightly --no-modify-path -y && \ rm rustup.sh ENV PATH=$PATH:/bin:/root/.cargo/bin WORKDIR /src RUN rustup target add wasm32-unknown-unknown CMD ["cargo", "build"]