FROM debian:jessie

# Clean documentation in FROM image
RUN find /usr/share/doc -depth \( -type f -o -type l \) ! -name copyright | xargs rm || true

# Clean doc directories that are empty or only contain empty directories
RUN while [ -n "$(find /usr/share/doc -depth -type d -empty -print -exec rmdir {} +)" ]; do :; done
RUN rm -rf               \
    /usr/share/man/*     \
    /usr/share/groff/*   \
    /usr/share/info/*    \
    /usr/share/lintian/* \
    /usr/share/linda/*   \
    /var/cache/man/*     \
    /usr/share/locale/*

# Make apt-get non-interactive
ENV DEBIAN_FRONTEND=noninteractive

# Configure data sources for apt/dpkg
COPY ["dpkg_01_drop", "/etc/dpkg/dpkg.cfg.d/01_drop"]
COPY ["sources.list", "/etc/apt/sources.list"]
COPY ["no_install_recommend_suggest", "/etc/apt/apt.conf.d"]
RUN apt-get update

# Pre-install fundamental packages
RUN apt-get -y install \
    vim-tiny           \
    perl               \
    python             \
    less

# Install a newer version of rsyslog from jessie-backports in hopes of
# eliminating memory leaks
RUN apt-get -y -t jessie-backports install rsyslog

COPY ["etc/rsyslog.conf", "/etc/rsyslog.conf"]
COPY ["etc/rsyslog.d/*", "/etc/rsyslog.d/"]
COPY ["root/.vimrc", "/root/.vimrc"]

# Install dependencies of supervisor
RUN apt-get -y install python-pkg-resources python-meld3

RUN mkdir -p /etc/supervisor
RUN mkdir -p /var/log/supervisor

COPY ["etc/supervisor/supervisord.conf", "/etc/supervisor/"]

RUN apt-get -y purge   \
    exim4              \
    exim4-base         \
    exim4-config       \
    exim4-daemon-light

{% if docker_base_debs.strip() -%}
# Copy built Debian packages
{%- for deb in docker_base_debs.split(' ') %}
COPY debs/{{ deb }} debs/
{%- endfor %}

# Install built Debian packages and implicitly install their dependencies
{%- for deb in docker_base_debs.split(' ') %}
RUN dpkg_apt() { [ -f $1 ] && { dpkg -i $1 || apt-get -y install -f; } || return 1; }; dpkg_apt debs/{{ deb }}
{%- endfor %}
{%- endif %}

{% if docker_base_dbgs.strip() -%}
# Install common debug-packages
{%- for dbg_pkg in docker_base_dbgs.split(' ') %}
RUN apt-get -y install {{ dbg_pkg }}
{%- endfor %}
{% else %}
RUN ln /usr/bin/vim.tiny /usr/bin/vim
{%- endif %}

# Clean up apt
# Remove /var/lib/apt/lists/*, could be obsoleted for derived images
RUN apt-get clean -y; apt-get autoclean -y; apt-get autoremove -y
RUN rm -rf /var/lib/apt/lists/*

RUN rm -rf /tmp/*