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0 All too often I found myself editing Kubernetes resource definitions in the Kubernetes Dashboard. Modifying for example the type of a service. Typically I would git clone yaml files, run them in a single statement and then manually change a few details.
After just the tiniest of search efforts, I ran into the kubectl patch command, that is created for just this purpose.
kubectl patch svc eventbuspublisherservice -p ‘{“spec”: {“type”: “NodePort”}}’ –namespace my_space
This will change the type of the eventbuspublisherservice to NodePort.
An alternative approach with patch is to create a YAML file with the desired new or updated content for the resource definition. Use a statement like this to apply the contents of the YAML file:
kubectl patch deployment my-deployment –patch “$(cat my-patch.yaml)” –namespace my_space
Documentation: https://kubernetes.io/docs/tasks/run-application/update-api-object-kubectl-patch/
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