域名配置相关问题

apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: example
spec:
  hosts:
  - "*.example.com"
  gateways:
  - "istio-system/example-gw"
  http:
    route:
    - destination:
        host: web.prod.svc.cluster.local

apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:
  name: example-gw
  namespace: istio-system
spec:
  selector:
    app: istio-ingressgateway
    istio: ingressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - "*.example.com"