# syntax=docker/dockerfile:1
FROM ubuntu:20.04 as builder

RUN \
  rm -f /etc/apt/apt.conf.d/docker-clean; \
  echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache

RUN \
  --mount=type=cache,target=/var/cache/apt,sharing=locked \
  --mount=type=cache,target=/var/lib/apt,sharing=locked \
  export DEBIAN_FRONTEND=noninteractive && \
  apt update && \
  apt install -q -y autoconf-archive cmake curl git libssl-dev \
  libunwind-dev ninja-build libtool gcc-9 g++-9 libboost-context-dev \
  zip libzstd-dev bison

RUN update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 40  \
  --slave   /usr/bin/g++ g++ /usr/bin/g++-9

WORKDIR /build

COPY . ./

RUN make HELIO_RELEASE=y release

RUN build-opt/dragonfly --version

RUN curl -O https://raw.githubusercontent.com/ncopa/su-exec/212b75144bbc06722fbd7661f651390dc47a43d1/su-exec.c && \
  gcc -Wall -O2 su-exec.c -o su-exec

FROM ubuntu:20.04

RUN \
  --mount=type=tmpfs,target=/var/cache/apt \
  --mount=type=tmpfs,target=/var/lib/apt \
  export DEBIAN_FRONTEND=noninteractive && \
  apt update && \
  apt install -q -y netcat-openbsd redis-tools libxml2

RUN groupadd -r -g 999 dfly && useradd -r -g dfly -u 999 dfly
RUN mkdir /data && chown dfly:dfly /data

VOLUME /data
WORKDIR /data
COPY tools/docker/entrypoint.sh /usr/local/bin/entrypoint.sh
COPY tools/docker/healthcheck.sh /usr/local/bin/healthcheck.sh
COPY --from=builder /build/su-exec /usr/local/bin/
COPY --from=builder /build/build-opt/dragonfly /usr/local/bin/

HEALTHCHECK CMD /usr/local/bin/healthcheck.sh
ENTRYPOINT ["entrypoint.sh"]

# For inter-container communication.
EXPOSE 6379

USER dfly

CMD ["dragonfly", "--logtostderr"]