cache policy added

network-policies/cacheservicepolicy.yaml

@@ -0,0 +1,16 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: cache-allow-cart
+  namespace: default
+spec:
+  podSelector:
+    matchLabels:
+      app: redis-cart
+  ingress:
+  - from:
+    - podSelector:
+        matchLabels:
+          app: cartservice
+    ports:
+      - port: 6379