anchor.diff:  At this point, if you are installing crunchy-containers on a CentOS 7 machine,
   you may continue with the following instructions. If you are doing an installation
   on RHEL 7, please view the instructions located
  -link:https://github.com/crunchydata/crunchy-containers/blob/master/docs/install.adoc#rhel-7[here].
  +link:https://github.com/crunchydata/crunchy-containers/blob/master/docs/install.adoc#rhel-7[below]
  +that are specific to RHEL environments.
   
   ==== CentOS 7
   ....
  
positive.code: godep restore
  ....
  
  === Installing PostgreSQL
  
  These installation instructions assume the installation of PostgreSQL 10
  
negative.code: ....
  sudo yum -y install postgresql10-server.x86_64
  ....
  
  === Installing Docker
  
  