FROM continuumio/miniconda3:latest

RUN apt-get update && apt-get install -y \
        protobuf-compiler \
        sudo \
    && apt clean \
    && rm -rf /var/lib/apt/lists/*

COPY environment.yml /tmp/
RUN conda env create -f /tmp/environment.yml \
    && conda clean -afy \
    && find /opt/conda/ -follow -type f -name '*.a' -delete \
    && find /opt/conda/ -follow -type f -name '*.pyc' -delete \
    && find /opt/conda/ -follow -type f -name '*.js.map' -delete \
    && rm /tmp/environment.yml

ARG username
ARG userid

ARG home=/home/${username}
ARG workdir=${home}/handson-ml3

RUN adduser ${username} --uid ${userid} --gecos '' --disabled-password \
    && echo "${username} ALL=(root) NOPASSWD:ALL" > /etc/sudoers.d/${username} \
    && chmod 0440 /etc/sudoers.d/${username}

WORKDIR ${workdir}
RUN chown ${username}:${username} ${workdir}

USER ${username}
WORKDIR ${workdir}

ENV PATH /opt/conda/envs/homl3/bin:$PATH

# The config below enables diffing notebooks with nbdiff (and nbdiff support
# in git diff command) after connecting to the container by "make exec" (or
# "docker-compose exec handson-ml3 bash")
#       You may also try running:
#         nbdiff NOTEBOOK_NAME.ipynb
#       to get nbdiff between checkpointed version and current version of the
# given notebook.

RUN git-nbdiffdriver config --enable --global

# INFO: Optionally uncomment any (one) of the following RUN commands below to ignore either
#       metadata or details in nbdiff within git diff
#RUN git config --global diff.jupyternotebook.command 'git-nbdiffdriver diff --ignore-metadata'
RUN git config --global diff.jupyternotebook.command 'git-nbdiffdriver diff --ignore-details'


COPY docker/bashrc.bash /tmp/
RUN cat /tmp/bashrc.bash >> ${home}/.bashrc \
    && echo "export PATH=\"${workdir}/docker/bin:$PATH\"" >> ${home}/.bashrc \
    && sudo rm /tmp/bashrc.bash


# INFO: Uncomment lines below to enable automatic save of python-only and html-only
#       exports alongside the notebook
#COPY docker/jupyter_notebook_config.py /tmp/
#RUN cat /tmp/jupyter_notebook_config.py >> ${home}/.jupyter/jupyter_notebook_config.py
#RUN sudo rm /tmp/jupyter_notebook_config.py


# INFO: Uncomment the RUN command below to disable git diff paging
#RUN git config --global core.pager ''


# INFO: Uncomment the RUN command below for easy and constant notebook URL (just localhost:8888)
#       That will switch Jupyter to using empty password instead of a token.
#       To avoid making a security hole you SHOULD in fact not only uncomment but
#       regenerate the hash for your own non-empty password and replace the hash below.
#       You can compute a password hash in any notebook, just run the code:
#          from notebook.auth import passwd
#          passwd()
#       and take the hash from the output
#RUN mkdir -p ${home}/.jupyter && \
#    echo 'c.NotebookApp.password = u"sha1:c6bbcba2d04b:f969e403db876dcfbe26f47affe41909bd53392e"' \
#    >> ${home}/.jupyter/jupyter_notebook_config.py