anchor.diff:  RUN apt-get -y install mysql-server mysql-client
   
   WORKDIR ${work}
  -RUN wget http://www-eu.apache.org/dist/openmeetings/3.1.3/bin/apache-openmeetings-3.1.3.tar.gz
  +RUN wget http://www-eu.apache.org/dist/openmeetings/3.1.5/bin/apache-openmeetings-3.1.5.tar.gz
   
   WORKDIR ${OM_HOME}
  -RUN tar -xzf /root/work/apache-openmeetings-3.1.3.tar.gz
  +RUN tar -xzf /root/work/apache-openmeetings-3.1.5.tar.gz
   RUN wget http://repo1.maven.org/maven2/mysql/mysql-connector-java/5.1.39/mysql-connector-java-5.1.39.jar -P webapps/openmeetings/WEB-INF/lib
   
   RUN ${work}/om_install.sh
  
positive.code: # #############################################
  
  FROM ubuntu:16.04
  MAINTAINER Apache OpenMeetings dev team version: 3.1.3 <dev@openmeetings.apache.org>
  
  ENV DB_ROOT_PASS '12345'
  ENV OM_DB_NAME 'open313'
  
negative.code: #put swf tools on hold
  RUN echo "swftools hold" | dpkg --set-selections
  
  WORKDIR ${work}
  COPY scripts/* ./
  RUN chmod a+x *.sh
  