Dockerfile-make

FROM mitchty/alpine-ghc:latest
# ^^^ alpine linux with a ghc compiled with -fPIC ,
#     for making portable haskell binaries

# dev deps
RUN apk --no-cache add \
  alpine-sdk \
  ca-certificates \
  git \
  gmp-dev \
  jq \
  openssh \
  zlib-dev

# gcc bug : https://bugs.launchpad.net/ubuntu/+source/gcc-4.4/+bug/640734
RUN cp /usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/crtbeginT.o /usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/crtbeginT.o.old && \
    cp /usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/crtbeginS.o /usr/lib/gcc/x86_64-alpine-linux-musl/5.3.0/crtbeginT.o

# add rclone
RUN curl -L https://github.com/ncw/rclone/releases/download/v1.35/rclone-v1.35-linux-amd64.zip > /tmp/rclone.zip && \
  cd /tmp && \
  unzip rclone.zip && \
  mv rclone-v1.35-linux-amd64/rclone /usr/local/bin/rclone && \
  ln -s /usr/local/bin/rclone /usr/local/bin/drclone && \
  rm -rf /tmp/rclone*

# register executing user's uid and gid at runtime
RUN chmod o+w /etc/passwd /etc/group && \
  printf "#!/usr/bin/env sh\n\
  echo \"hostuser:x:\$(id -u):$(id -g):gecos:\$HOME:/bin/sh\" >> /etc/passwd\n\
  echo \"hostuser:x:\$(id -g):\" >> /etc/group\n\
  exec \$@\n" > /entrypoint.sh && chmod +x /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh"]