affic arriving at (external)
port 27017 to internal Mongo server on port 5555. This rule is not
applicable internally in the mesh as the gateway list omits the
reserved name <code>mesh</code>.</p><pre><code class=language-yaml>apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: bookinfo-Mongo
  namespace: bookinfo-namespace
spec:
  hosts:
  - mongosvr.prod.svc.cluster.local # name of internal Mongo service
  gateways:
  - some-config-namespace/my-gateway # can omit the namespace 