anchor.diff:  
   
   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
  
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: RUN apt-get -y install nodejs
  
  # install yeoman
  RUN npm install -g yo bower
  
  # configure the "hida" and "root" users
  RUN echo 'root:hida' |chpasswd
  