Update db-network-policy.yaml

Network-Policy/Assignment/db-network-policy.yaml

@@ -1,10 +1,32 @@
-# Hey there future Kubernetes experts!
-
-# We heard you're working on your db-network-policy assignment. Nice! We can't wait to see what you've come up with.
-
-# And don't worry, we're not just sitting around eating popcorn. We'll be posting our own solution soon, so stay tuned.
-
-# Keep calm and Kube on!
-
-# Love,
-# The DevOps Pro Admin Squad ❤️
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: db-network-policy
+spec:
+  podSelector:
+    matchLabels:
+      role: db-pod
+  policyTypes:
+  - Ingress
+  - Egress
+  ingress:
+  - from:
+    - podSelector:
+        matchLabels:
+          role: internal-db
+      namespaceSelector:
+        matchLabels:
+          name: dev
+    ports:
+    - protocol: TCP
+      port: 8080
+  egress:
+  - to:
+    - ipBlock:
+        cidr: 172.17.0.0/16
+        except:
+        - 172.17.1.0/24
+    ports:
+    - protocol: TCP
+      port: 30000
+      endPort: 32768