overlay-istio-gateway.yaml

apiVersion: install.istio.io/v1
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
            # networking.gke.io/load-balancer-type: "Internal"
          service:
            type: LoadBalancer
            ports:
            - port: 443
              name: https
              protocol: TCP
    egressGateways:
      - name: istio-egressgateway
        enabled: true