anchor.diff:  RUN a2enmod rewrite
   RUN a2enmod ssl
   RUN a2enflag SSL
  -ADD apache.conf /etc/apache2/vhosts.d/portus.conf
  +COPY apache.conf /etc/apache2/vhosts.d/portus.conf
   
   # Custom certificates must be placed inside of /certificates,
   RUN rm -rf /etc/pki/trust/anchors && \
  
positive.code: # servers.
  # This is used later on to import the OBS key used to sign all the contents
  # of the Virtualization:containers project.
  ADD rpm-import-repo-key /usr/sbin/
  
  RUN rpm-import-repo-key 55A0B34D49501BB7CA474F5AA193FBB572174FC2 && \
      zypper ar -f obs://Virtualization:containers:Portus/openSUSE_Leap_42.1 portus-head && \
  
negative.code:     zypper clean -a
  
  # Add sudo rule that allows the wwwrun user to invoke update-ca-certificates
  COPY update-ca-certificates-sudoers /etc/sudoers.d/
  # Add sudo rule that allows the wwwrun user to invoke start_apache2; this
  # program is maintained by SUSE and will initialize Apache2 and ensure the httpd
  # daemon is run as wwwrun user.
  COPY start_apache2-sudoers /etc/sudoers.d/
  # Configure sudo to not wipe out all the existing env variables,
  # this would cause lots of troubles when starting Portus via our init
  # script
  