anchor.diff:  export CO_NAMESPACE=demo
   export CO_CMD=kubectl
   export COROOT=$GOPATH/src/github.com/crunchydata/postgres-operator
  +go get github.com/blang/expenv
   $COROOT/pv/create-pv.sh
   ....
   
  
positive.code:  * a running Kube cluster
   * a kubectl client installed and in your PATH and configured to connect to your Kube cluster (e.g. export KUBECONFIG=/etc/kubernetes/admin.conf)
   * a Kube namespace created and set to where you want the operator installed, for this install we assume a namespace of *demo* has been created
  
  == Basic Installation
  
  
negative.code: 
  At this point, the server side of the operator is deployed and ready.
  
  The complete set of environment variables used in the installation
  so far are:
  ....
  export CO_IMAGE_PREFIX=crunchydata
  export CO_IMAGE_TAG=centos7-2.6
  export GOPATH=$HOME/odev
  export GOBIN=$GOPATH/bin
  export PATH=$PATH:$GOBIN
  export COROOT=$GOPATH/src/github.com/crunchydata/postgres-operator
  export CO_CMD=kubectl
  ....
  
  You would normally add these into your *.bashrc* at this point to be used later on or if you want to redeploy the operator.
  
  === Configure *pgo* Client
  
  The *pgo* command line client requires TLS for securing the connection to the operator's REST API.  This configuration is performed as follows:
  