diff --git a/infrastructure/network-policies/platform-services/postgres-ingress.yaml b/infrastructure/network-policies/platform-services/postgres-ingress.yaml
new file mode 100644
index 0000000..c4d9a0e
--- /dev/null
+++ b/infrastructure/network-policies/platform-services/postgres-ingress.yaml
@@ -0,0 +1,21 @@
+apiVersion: cilium.io/v2
+kind: CiliumNetworkPolicy
+metadata:
+  name: platform-postgres-ingress
+  namespace: platform-services
+spec:
+  endpointSelector:
+    matchLabels:
+      app: platform-postgres
+  ingress:
+    - fromEndpoints:
+        - matchLabels:
+            k8s:io.kubernetes.pod.namespace: forgejo
+        - matchLabels:
+            k8s:io.kubernetes.pod.namespace: openproject
+        - matchLabels:
+            k8s:io.kubernetes.pod.namespace: pgadmin
+      toPorts:
+        - ports:
+            - port: "5432"
+              protocol: TCP