add networkpolicies

Kubernetes/NetworkPolicies/namespace-example.yaml

@@ -0,0 +1,17 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: egress-namespaces
+spec:
+  podSelector:
+    matchLabels:
+      app: myapp
+  policyTypes:
+  - Egress
+  egress:
+  - to:
+    - namespaceSelector:
+        matchExpressions:
+        - key: namespace
+          operator: In
+          values: ["frontend", "backend"]