Convert OpenShift DeploymentConfig to Kubernetes Deployment

convert-deploymentconfig-to-deployment.md

1. Change apiVersion from:

   - apiVersion: v1

   (or apiVersion: apps.openshift.io/v1)

   to:

   - apiVersion: apps/v1

2. Change kind from:

     kind: DeploymentConfig

   to:

     kind: Deployment

3. Change spec.selectors from:

       selector:
         name: ...

   to:

       selector:
         matchLabels:
           name: ...

4. Make sure spec.template.spec.containers.image is set, e.g.

           image: registry.access.redhat.com/rhscl/postgresql-${POSTGRESQL_VERSION}-rhel7
           imagePullPolicy: Always
   

5. Remove spec.triggers section entirely

6. Remove fields from spec.strategy:

   • activeDeadlineSeconds
   • resources
   • rollingParams.intervalSeconds
   • rollingParams.timeoutSeconds
   • rollingParams.updatePeriodSeconds

7. spec.strategy.rollingParams need to be renamed to spec.strategy.rollingUpdate

8. Update spec.strategy.type from Rolling to RollingUpdate

9. Remove spec.test entirely