Update Docker Compose external volume declaration and mounting syntax.

docker-compose.yml

@@ -7,9 +7,7 @@ services:
       POSTGRES_USER: odoo
       POSTGRES_PASSWORD: odoo
     volumes:
-     client2_pgdata:
-    external:
-      name: odoo-chennora-pos_client2_pgdata
+      - client2_pgdata:/var/lib/postgresql/data
     restart: always
 
   odoo:
@@ -29,19 +27,18 @@ services:
       LIMIT_TIME_REAL: "1200"
       PROXY_MODE: "True"
     volumes:
-       client2_odoo_data:
-    external:
-      name: odoo-chennora-pos_client2_odoo_data
+      - client2_odoo_data:/var/lib/odoo
       - ./addons:/mnt/extra-addons
     restart: always
 
 volumes:
-client2_pgdata:
-    external:
-      name: odoo-chennora-pos_client2_pgdata
-client2_odoo_data:
-    external:
-      name: odoo-chennora-pos_client2_odoo_data
+  client2_pgdata:
+    external: true
+    name: odoo-chennora-pos_client2_pgdata
+
+  client2_odoo_data:
+    external: true
+    name: odoo-chennora-pos_client2_odoo_data
 
 
 # backups: