manifests/policies/sys/cnpg/CiliumNetworkPolicy-allow-api-server.yaml

apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
  name: allow-api-server
  namespace: cnpg
spec:
  egress:
    - toEntities:
        - kube-apiserver
      toPorts:
        - ports:
            - port: "6443"
              protocol: TCP
  endpointSelector:
    matchLabels:
      app.kubernetes.io/instance: postgres-operator