# Build any binaries that can be copied into the CI image
FROM rust:slim-buster AS flatc
RUN apt-get update \
  && mkdir -p /usr/share/man/man1 \
  && apt-get install -y \
    git make clang cmake llvm \
    --no-install-recommends \
  && git clone -- https://github.com/google/flatbuffers.git /usr/local/src/flatbuffers \
  && cmake -S /usr/local/src/flatbuffers -B /usr/local/src/flatbuffers \
    -G "Unix Makefiles" \
    -DCMAKE_BUILD_TYPE=Release \
  && make -C /usr/local/src/flatbuffers -j $(nproc) flatc

# Build actual image used for CI pipeline
FROM rust:slim-buster

COPY --from=flatc /usr/local/src/flatbuffers/flatc /usr/bin/flatc
# make Apt non-interactive
RUN echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/90ci \
  && echo 'DPkg::Options "--force-confnew";' >> /etc/apt/apt.conf.d/90ci

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
  && mkdir -p /usr/share/man/man1 \
  && apt-get install -y \
    git locales sudo openssh-client ca-certificates tar gzip parallel \
    unzip zip bzip2 gnupg curl make pkg-config libssl-dev \
    musl musl-dev musl-tools clang llvm \
    --no-install-recommends \
  && apt-get clean autoclean \
	&& apt-get autoremove --yes \
	&& rm -rf /var/lib/{apt,dpkg,cache,log}

# Set timezone to UTC by default
RUN ln -sf /usr/share/zoneinfo/Etc/UTC /etc/localtime
# Use unicode
RUN locale-gen C.UTF-8 || true
ENV LANG=C.UTF-8

RUN rustup toolchain install nightly-2020-04-22
RUN rustup component add rustfmt clippy --toolchain nightly-2020-04-22

RUN groupadd -g 1500 rust \
  && useradd -u 1500 -g rust -s /bin/bash -m rust \
  && echo 'rust ALL=NOPASSWD: ALL' >> /etc/sudoers.d/10-rust \
  && echo 'Defaults    env_keep += "DEBIAN_FRONTEND"' >> /etc/sudoers.d/env_keep

USER rust
ENV PATH /home/rust/.local/bin:/home/rust/bin:${PATH}

CMD ["/bin/bash"]