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Upgrades

We can upgrade by using kubectl set image deployment/deployment_name helloworld=obahareth/new_hello_world.
When we redeploy with a new image we get a new replicaset that matches the new set of images.
Rollouts
We can view the rollout history by running kubectl rollout history deployment/deployment_name, we can use the revision numbers here to roll back to a specific version as well.
Undoing
kubectl rollout undo deployment/deployment_name
This will roll back to the previous version
Rolling Back to a Specific Version
kubectl rollout undo deployment/deployment_name --to-revision=3
This will roll back to revision 3.

Application Health Checks

Troubleshooting

Last modified 3yr ago