anchor.diff:  # Starts XWiki by starting Tomcat. All options passed to "docker run [OPTIONS] IMAGE[:TAG|@DIGEST] [COMMAND] [ARG...]"
   # are also passed to start_xwiki.sh. However at the moment start_xwiki.sh doesn't support any parameters and all
   # configurations are done through environment variable overrides (see above).
  +ENV MYSQL_USER=xwiki \
  +    MYSQL_PASSWORD=xwiki \
   ENTRYPOINT ["start_xwiki.sh"]
   
   # When no options are passed on the "docker run" command line we display a message explaining what environment
  
positive.code: COPY tomcat/setenv.sh /usr/share/tomcat8/bin/
  
  # Setup the XWiki Hibernate configuration
  COPY xwiki/hibernate.cfg.xml /var/lib/tomcat8/webapps/ROOT/WEB-INF/hibernate.cfg.xml
  
  # Set a specific distribution id in XWiki for this docker packaging.
  
negative.code:   rm -f xwiki.war
  
  # Download the MySQL JDBC driver and install it in the XWiki webapp
  ENV MYSQL_DRIVER_VERSION=5.1.38
  RUN curl -L https://dev.mysql.com/get/Downloads/Connector-J/mysql-connector-java-${MYSQL_DRIVER_VERSION}.tar.gz \
      -o mysql-connector-java-${MYSQL_DRIVER_VERSION}.tar.gz && \
    tar xvf mysql-connector-java-${MYSQL_DRIVER_VERSION}.tar.gz \
  