overlay-istio-gateway.yaml

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  components:
    ingressGateways:
      - name: istio-ingressgateway
        enabled: true
        k8s:
          service:
            ports:
            - name: https
              port: 443
              protocol: TCP
      - name: istio-ilbgateway
        enabled: true
        k8s:
          serviceAnnotations:
            cloud.google.com/load-balancer-type: "internal"
          service:
            ports:
            - port: 443
              name: https
              protocol: TCP
    egressGateways:
      - name: istio-egressgateway
        enabled: true