anchor.diff:  RUN groupadd hida && useradd hida -s /bin/bash -m -g hida -G hida && adduser hida sudo
   RUN echo 'hida:hida' |chpasswd
   
  +# expose the working directory, the Tomcat port, the Grunt server port, the SSHD port, and run SSHD
  +VOLUME ["/hida"]
  +EXPOSE 8080
  +EXPOSE 9000
  +EXPOSE 22
  +
  +CMD ["grails"]
  +# 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
  +RUN gvm-wrapper.sh install grails ${GRAILS_VERSION} && gvm-wrapper.sh flush archives && gvm-exec.sh grails help
  +
   # install the sample app to download all Maven dependencies
   RUN cd /home/hida && \
       wget https://github.com/arief-hidayat/${GRAILS_REPO}/archive/v${GRAILS_REPO_VERSION}.zip && \
  
positive.code: ADD gvm.config /.gvm/etc/config
  ADD bin/ /usr/local/bin/
  
  CMD ["grails"]
  # 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
  RUN gvm-wrapper.sh install grails ${GRAILS_VERSION} && gvm-wrapper.sh flush archives && gvm-exec.sh grails help
  
  # install utilities
  RUN apt-get -y install vim git sudo zip bzip2 fontconfig curl
  
  
negative.code: RUN cd /home && chown -R hida:hida /home/hida
  RUN cd /home/hida/${GRAILS_REPO}-${GRAILS_REPO_VERSION} && sudo -u hida grails clean && sudo -u hida grails compile
  
  
  CMD    /usr/sbin/sshd -D
  