anchor.diff:  RUN yum install -y git wget zip unzip java-1.8.0-openjdk
   
   # install jenkins
  -ARG user=jenkins
  -ARG group=jenkins
  -ARG uid=1000
  -ARG gid=1000
   ARG http_port=8080
   ARG agent_port=50000
   ARG JENKINS_VERSION=2.60.2
  
positive.code:     JENKINS_ADMIN_PASSWORD=admin \
      JENKINS_SLAVE_AGENT_PORT=${agent_port} \
      JENKINS_VERSION=${JENKINS_VERSION:-2.60.2}
  
  # Jenkins is run with user `jenkins`, uid = 1000
  # If you bind mount a volume from the host or a data container,
  # ensure you use the same uid
  RUN groupadd -g ${gid} ${group} \
      && useradd -d "$JENKINS_HOME" -u ${uid} -g ${gid} -m -s /bin/bash ${user}
  
  # `/usr/share/jenkins/ref/` contains all reference configuration we want
  # to set on a fresh new installation. Use it to bundle additional plugins
  
negative.code:     cp openshift-origin-client-tools-*/oc /usr/local/bin/ && \
      oc version
  
  ENTRYPOINT ["/bin/tini", "--", "/usr/local/bin/jenkins.sh"]
  