namespace-admins-rb.yaml

apiVersion: rbac.authorization.k8s.io/v1
  kind: RoleBinding
  metadata:
    name: namespace-admins
    namespace: example-ns
  subjects:
  - kind: Group
    name: namespace-admins
    apiGroup: rbac.authorization.k8s.io
  roleRef:
    kind: ClusterRole
    name: admin
    apiGroup: rbac.authorization.k8s.io