Add Kubernetes Service for Postgres

Author: AlfreMu

k8s/portfolio/postgres/service.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: postgres
+spec:
+  type: ClusterIP
+  selector:
+    app: postgres
+  ports:
+    - port: 5432
+      targetPort: 5432