🐛 Use a volume sub directory to store db data (PGDATA)

postgres.yaml

@@ -72,6 +72,8 @@ spec:
               value: postgres
             - name: POSTGRES_PASSWORD
               value: password
+            - name: PGDATA
+              value: /var/lib/postgresql/data/pgdata
           # envFrom:
           #   - configMapRef:
           #       name: postgres-config