Kube RBAC for healthz endpoints

healthz_rbac.yaml

apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: healthz
rules:
- nonResourceURLs: ["/healthz", "/livez", "/readyz"]
  verbs: ["get"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: healthz
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: healthz
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:unauthenticated