kubernetes mostly uses json internally, yaml is only the "cli" side of things. kubectl converts the yaml files to json. (https://kubernetes.io/docs/concepts/ove

kubernetes mostly uses json internally, yaml is only the "cli" side of things. kubectl converts the yaml files to json. (https://kubernetes.io/docs/concepts/overview/working-with-objects/kubernetes-objects/#describing-a-kubernetes-object https://kubernetes.io/docs/concepts/overview/working-with-ob...)