apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: redis-server
spec:
  hosts:
    - redis-server
  tcp:
    - route:
        - destination:
            host: redis-server
            port:
              number: 6379
          weight: 100

---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: redis-server
spec:
  host: redis-server
  trafficPolicy:
    connectionPool:
      tcp:
        tcpKeepalive:
          time: 7200s
          interval: 75s
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: yelb-db
spec:
  hosts:
    - yelb-db
  tcp:
    - route:
        - destination:
            host: yelb-db
            port:
              number: 5432
          weight: 100
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: yelb-appserver
spec:
  hosts:
    - yelb-appserver
  http:
    - route:
        - destination:
            host: yelb-appserver
            port:
              number: 4567
          weight: 100
      match:
        - uri:
            prefix: /api