-o yaml
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: reviews
  ...
spec:
  hosts:
  - reviews
  http:
  - route:
    - destination:
        host: reviews
        subset: v1
      weight: 50
    - destination:
        host: reviews
        subset: v3
      weight: 50
</code></pre></li><li><p>Refresh the <code>/productpage</code> in your browser and you now see <em>red</em> colored star ratings approximately 50% of the time. This is because the <code>v3</code> version of <co