Dockerfile

FROM ubuntu:16.04
MAINTAINER André Bauer <andre.bauer@posteo.de>
RUN apt-get update && \
    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
    aspcud \
    ca-certificates \
    wget \
    git \
    mercurial \
    darcs \
    sudo \
    make \
    unzip \
    rsync \
    m4 \
    build-essential \
    curl \
    openssh-client && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/* /var/cache/apt/*
RUN wget https://raw.github.com/ocaml/opam/master/shell/opam_installer.sh -O - | sh -s /usr/local/bin
RUN echo 'ocaml ALL=(ALL:ALL) NOPASSWD:ALL' > /etc/sudoers.d/ocaml && \
    chmod 440 /etc/sudoers.d/ocaml && \
    chown root:root /etc/sudoers.d/ocaml && \
    useradd -d /home/ocaml -m -s /bin/bash ocaml -G sudo && \
    passwd -l ocaml && \
    chown -R ocaml:ocaml /home/ocaml
USER ocaml
ENV HOME /home/ocaml
WORKDIR /home/ocaml
RUN opam init --comp 4.04.0 && \
    eval `opam config env` && \
    opam update && \
    opam install depext
RUN  . /home/ocaml/.opam/opam-init/init.sh > /dev/null 2> /dev/null || true   
RUN echo "eval \`opam config env\`" >> /home/ocaml/.bashrc