# DestinationRule [[VirtualService]]는 트래픽을 어디로 보낼지 였다면, [[DestinationRule]]은 어떻게 처리할지를 정의한다 apiVersion: networking.istio.io/v1alpha3 kind: DestinationRule metadata: name: reviews spec: host: reviews # interpreted as reviews.svc.cluster.local subsets: # One or more named sets that represent individual versions of a service. Traffic policies can be overridden at subset level. - name: v1 labels: version: v1 # label attached to Pod definition - name: v2 labels: version: v2 # label attached to Pod definition - name: v3 labels: version: v3 # label attached to Pod definition