anchor.diff:  # Remove unwanted applications & Clean Installations
   RUN apt-get autoremove
   RUN apt-get clean
  -RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/oracle-jdk8-installer
  +RUN rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* /var/cache/oracle-jdk8-installer /var/cache/apt
   
   # Default command.
   CMD ["/opt/TeamCity/bin/teamcity-server.sh", "run"]
  
positive.code: RUN apt-get -yq upgrade
  
  ## Install wget
  RUN apt-get -yq install wget
  
  ## Install Software Properties Common to use add-apt-repository command
  RUN apt-get -yq install software-properties-common
  
  ## Add Oracle Java 8 Repository to Ubuntu
  RUN echo oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selections
  
negative.code: ENV TEAMCITY_DATA_PATH /data/teamcity
  
  ENV TC_PACKAGE TeamCity-9.1.3.tar.gz
  RUN wget http://download.jetbrains.com/teamcity/$TC_PACKAGE
  RUN tar zxf $TC_PACKAGE -C /opt
  RUN rm -rf $TC_PACKAGE
  
  EXPOSE 8111
  
  