Blue Green Deployments
The master is blue, the branch is green.
Deploy from OSEv3.
new project and blue app from master
oc new-project bluegreen --display-name="Blue Green" --description='Blue Green Deployments'
oc new-app https://github.com/devops-with-openshift/bluegreen#master --name=blue --strategy=sti
expose bluegreen service (using blue)
oc expose service blue --name=bluegreen
green app deploy
oc new-app https://github.com/devops-with-openshift/bluegreen#green --name=green
switch services to green
oc get route/bluegreen -o yaml | sed -e 's/name: blue$/name: green/' | oc replace -f -
and back again
oc get route/bluegreen -o yaml | sed -e 's/name: green$/name: blue/' | oc replace -f -