FROM alpine:latest

RUN apk upgrade --no-cache

# add user that will be used to install and run the application
RUN addgroup -g 1000 deploy
RUN adduser -D -u 1000 -G deploy deploy

#
# CUSTOM PART IS BELOW HERE
#

# install required packages
RUN echo "http://dl-cdn.alpinelinux.org/alpine/v3.10/community" >> /etc/apk/repositories
RUN apk add --no-cache apache2 apache2-utils apache2-webdav mod_dav_svn subversion

# add svn configuration
ADD dav_svn.conf /etc/apache2/conf.d/dav_svn.conf

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

# apache should run as user deploy
RUN sed -i.bak -r 's/(User|Group) apache/\1 deploy/' /etc/apache2/httpd.conf
RUN sed -i.bak 's/#ServerName www.example.com:80/ServerName svn.cpi.imtek.uni-freiburg.de:80/' /etc/apache2/httpd.conf
RUN sed -i.bak 's/LogLevel warn/LogLevel debug/' /etc/apache2/httpd.conf
RUN sed -i.bak 's/#LoadModule deflate_module/LoadModule deflate_module' /etc/apache2/httpd.conf
#LoadModule logio_module
#LoadModule watchdog_module

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

# setup the right permissions for deploy user
RUN chown -R deploy:deploy /var/www/
RUN chown -R deploy:deploy /usr/lib/apache2/
RUN chown -R deploy:deploy /run/apache2/
RUN chown -R deploy:deploy /var/log/apache2/

USER deploy
CMD ["httpd-foreground"]