Let's try this pattern for app config. Refactor postgres.

apps/postgres/README.md

@@ -1,10 +1 @@
 # Postgress app
-
-## Required .env variables
-
-```
-POSTGRES_DB
-POSTGRES_USER
-POSTGRES_PASSWORD
-PGDATA
-```

apps/postgres/config/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: postgres
+labels:
+  - includeSelectors: true
+    pairs:
+      app: postgres
+      managedBy: kustomize
+      partOf: wild-cloud
+
+configMapGenerator:
+  - name: config
+    envs:
+      - config.env
+secretGenerator:
+  - name: secrets
+    envs:
+      - secrets.env

apps/postgres/kustomization.yaml

@@ -6,20 +6,13 @@ labels:
     pairs:
       app: postgres
       managedBy: kustomize
-      partOf: sovereign-cloud
+      partOf: wild-cloud
 resources:
+  - config
   - deployment.yaml
   - namespace.yaml
   - service.yaml
   - pvc.yaml
-configMapGenerator:
-  - name: config
-    envs:
-      - config/config.env
-secretGenerator:
-  - name: secrets
-    envs:
-      - config/secrets.env
 
 replacements:
   - source: