ARG FEDORA_VERSION FROM fedora:$FEDORA_VERSION RUN dnf install -y gcc g++ git openssl-devel rpmdevtools RUN curl https://sh.rustup.rs -sSf | sh -s -- -y ENV PATH="/root/.cargo/bin:${PATH}" # Avoid build output from Watchman's build getting buffered in large # chunks, which makes debugging progress tough. ENV PYTHONUNBUFFERED=1