FROM ubuntu:22.04
LABEL maintainer="Jun Kurihara"

SHELL ["/bin/sh", "-x", "-c"]
ENV SERIAL 2

ENV CFLAGS=-Ofast
ENV BUILD_DEPS   curl make build-essential libevent-dev libexpat1-dev autoconf file libssl-dev byacc pkg-config
ENV RUNTIME_DEPS bash util-linux coreutils findutils grep libssl3 ldnsutils libevent-2.1 expat ca-certificates jed logrotate

RUN apt-get update; apt-get -qy dist-upgrade; apt-get -qy clean && \
  apt-get install -qy --no-install-recommends $RUNTIME_DEPS && \
  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log

RUN update-ca-certificates 2> /dev/null || true

WORKDIR /tmp

COPY . /tmp/

ENV RUSTFLAGS "-C link-arg=-s"

RUN apt-get update && apt-get install -qy --no-install-recommends $BUILD_DEPS && \
  curl -sSf https://sh.rustup.rs | bash -s -- -y --default-toolchain stable && \
  export PATH="$HOME/.cargo/bin:$PATH" && \
  echo "Building rpxy from source" && \
  cargo build --release && \
  mkdir -p /opt/rpxy/sbin && \
  mv /tmp/target/release/rust-rpxy /opt/rpxy/sbin/rpxy && \
  strip --strip-all /opt/rpxy/sbin/rpxy && \
  apt-get -qy purge $BUILD_DEPS && apt-get -qy autoremove && \
  rm -fr ~/.cargo ~/.rustup && \
  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log &&\
  rm -fr ~/.cargo ~/.rustup && \
  rm -fr /tmp/* /var/tmp/* /var/cache/apt/* /var/lib/apt/lists/* /var/log/apt/* /var/log/*.log

COPY docker-bin/run.sh /
COPY docker-bin/entrypoint.sh /

RUN chmod 755 /run.sh && \
  chmod 755 /entrypoint.sh

EXPOSE 53/udp 53/tcp

CMD ["/entrypoint.sh"]

ENTRYPOINT ["/entrypoint.sh"]