anchor.diff:  # This Docker manifest file builds a container with:
   # - sshd running (linux containers don't usually have it)
  -# - Caché 2015.1 and 
  +# - Caché 2016.2 and 
   # - it handles container PID 1 via ccontainermain which offers various flags
   #
   # build the new image with:
  -# $ docker build --force-rm --no-cache -t centos7:C151 .
  +# $ docker build --force-rm --no-cache -t cache:2016.2 .
   #--
   
   # pull from this repository
  
positive.code: ENTRYPOINT  ["/ccontainermain"]
  
  # run via:
  # docker run -d -p 57772:57772 -p 2222:22 -e ROOT_PASS="linux" <docker_image_id> -i=C151 -xstart=/run.sh 
  #
  # more options & explinations
  # $ docker run -d			// detached in the background; accessed only via network
  
negative.code: WORKDIR ${TMP_INSTALL_DIR}
  
  # fetch distrib file
  ADD cache-2016.2.0.736.0-lnxrhx64.tar.gz .
  
  # update OS + dependencies & run Caché silent install___________________________________
  RUN yum -y update && \
      yum -y install tar hostname net-tools which && \
      ln -sf /etc/localtime /usr/share/zoneinfo/Europe/Rome && \
      ./cache-*/cinstall_silent && \
      ccontrol stop $ISC_PACKAGE_INSTANCENAME quietly 
  COPY cache.key $ISC_PACKAGE_INSTALLDIR/mgr/
  
  