anchor.diff:  
   USER tomcat
   EXPOSE 8080
  -ENTRYPOINT ["bash", "/opt/run.sh"]+ENTRYPOINT ["bash", "/opt/run.sh"]
  
positive.code: 
  # Initialise software and update the repository sources list
  
  RUN apt-get -y install software-properties-common && \
  	add-apt-repository -y ppa:openjdk-r/ppa
  RUN apt-get -y update && apt-get -y install \
  
negative.code: RUN mkdir /opt/tomcat
  RUN groupadd tomcat
  RUN useradd -s /bin/false -g tomcat -d /opt/tomcat tomcat
  RUN wget http://archive.apache.org/dist/tomcat/tomcat-8/v8.0.3/bin/apache-tomcat-8.0.3.tar.gz \
  	-O /tmp/apache-tomcat-8.0.30.tar.gz
  RUN tar xvf /tmp/apache-tomcat-8.0.30.tar.gz -C /opt/tomcat --strip-components=1
  RUN rm -f /tmp/apache-tomcat-8.0.30.tar.gz
  