anchor.diff:  RUN apt-get -y install nodejs
   
   # install yeoman
  -RUN npm install -g yo
  +RUN npm install -g yo bower
   
   # configure the "hida" and "root" users
   RUN echo 'root:hida' |chpasswd
  
positive.code: # Install Oracle Java 7 (jhipster using Java 8, Grails 2.3.x uses Java 7)
  ENV JAVA_VER 7
  ENV JAVA_HOME /usr/lib/jvm/java-7-oracle
  ENV GRAILS_VERSION 2.3.11
  ENV GRAILS_REPO grails-practice
  ENV GRAILS_REPO_VERSION 0.1
  
  # make sure the package repository is up to date
  RUN echo "deb http://archive.ubuntu.com/ubuntu trusty main universe" > /etc/apt/sources.list
  
negative.code: 
  
  CMD ["grails"]
  
  ENV GRAILS_VERSION 2.3.11
  ENV GRAILS_REPO grails-practice
  ENV GRAILS_REPO_VERSION 0.1
  
  # Set default Grails Java Runtime env
  ENV JAVA_OPTS -Xms256m -Xmx512m -XX:MaxPermSize=256m -Djetty.serverHost=0.0.0.0
  # install newest version of grails 2.3.x
  