content: ########## How To Use Docker Image ###############
  ##
  ##  Install docker utility
  ##  Download docker image: docker pull denny/datareport:v1.2
  ##  Start container:
  ##    docker run -t -P -d --name my-test denny/datareport:v1.2 /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
  ##    docker run -t -P -d --name my-test denny/datareport:v1.2 /bin/bash
  ##
  ##  curl http://localhost:9200/_cat/indices?v
  ##  /usr/bin/supervisord -n -c /etc/supervisor/supervisord.conf
  ##
  ##  Build Image From Dockerfile. docker build -f datareport_v1_2.dockerfile -t denny/datareport:v1.2 --rm=true .
  ##################################################
  # https://www.digitalocean.com/community/tutorials/how-to-install-elasticsearch-logstash-and-kibana-elk-stack-on-ubuntu-14-04
  FROM denny/datareport:v1.1
  MAINTAINER Denny <http://dennyzhang.com>
  
  RUN service supervisor start && sleep 5 && \
      apt-get -y update && \
  
  # Clean up to make docker image smaller
     apt-get clean && \
  
  # Verify docker image
     # TDOO:
     # # start service and check status
     # service supervisor start || true && \
     # sleep 5 && sudo -u elasticsearch lsof -i tcp:9200 && \
     # sleep 5 && lsof -i tcp:5601 && \
     echo "Done"
  
  EXPOSE 5601
  
  ENV PATH /opt/logstash/bin:$PATH
  ENV JAVA_HOME /opt/jdk/jre
  ENV PATH $PATH:$JAVA_HOME/bin
  
  CMD ["/usr/bin/supervisord", "-n", "-c", "/etc/supervisor/supervisord.conf" ]
  ########################################################################################
  