Define scoped Forgejo native backup on the Scaleway primary

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a06ecb-456a-71c2-b41e-0755d336e883

helm/forgejo-db-backup-networkpolicies.yaml

@@ -0,0 +1,20 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: allow-backup-egress-forgejo-db
+  namespace: databases
+spec:
+  podSelector:
+    matchLabels:
+      cnpg.io/cluster: forgejo-db
+  policyTypes: [Egress]
+  egress:
+    - ports:
+        - {port: 443, protocol: TCP}
+    - to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+      ports:
+        - {port: 53, protocol: UDP}
+        - {port: 53, protocol: TCP}