FROM ubuntu:latest

# update to the latest packages
ENV DEBIAN_FRONTEND="noninteractive"
RUN apt-get update && apt-get upgrade -y

# add user that will be used to install and run the application
RUN groupadd -g 1000 deploy
RUN useradd -m -u 1000 -g deploy deploy

# install required packages for debugging
# RUN apt-get install -y vim curl lsof


#
# CUSTOM PART IS BELOW HERE
#

# install required packages
RUN apt-get install -y apache2 apache2-utils libapache2-mod-svn subversion
# added more packages to separate install 
# since apache2 currently has a dependency problem and 
# cached docker image can be reused
RUN apt-get install -y git python3 python3-pip sudo

# copy the script to run httpd in foreground
COPY httpd-foreground /usr/local/bin/
RUN chmod u+x /usr/local/bin/httpd-foreground

# add svn site configuration
ADD dav_svn.conf /etc/apache2/sites-enabled/dav_svn.conf

# create writable directory for dav lock file
#RUN mkdir /var/lib/dav/

# adjust apache configuration files
#RUN sed -i.bak 's/LogLevel warn/LogLevel debug/' /etc/apache2/apache2.conf
RUN sed -i.bak 's/Listen 80/Listen 80\nListen 8000/' /etc/apache2/ports.conf

# allow sudo http-foreground for deploy user
ADD sudoer_deploy /etc/sudoers.d/deploy
RUN chmod 0440 /etc/sudoers.d/deploy

# switch to user deploy
USER deploy

# set path to include ~/.local/bin
ENV PATH "$PATH:/home/deploy/.local/bin"

# install elab users management script
RUN pip install --upgrade pip
RUN pip install git+https://git.cpi.imtek.uni-freiburg.de/CPI/elab-users.git

# change the working directory
WORKDIR /data

# Start httpd as root, but will switch to deploy user thanks to env variable
CMD [\
    "sudo", \
    "APACHE_PID_FILE=/var/run/apache2/apache2.pid" , \
    "APACHE_LOCK_DIR=/var/lock/apache2", \
    "APACHE_LOG_DIR=/var/log/apache2", \
    "APACHE_RUN_DIR=/var/run/apache2", \
    "APACHE_RUN_USER=deploy", \
    "APACHE_RUN_GROUP=deploy", \
    "httpd-foreground" \
    ]