Enhance Docker configuration in compose-plesk.yaml by adding service links for database and cache, and updating network settings to use an external bridge network.

compose-plesk.yaml

@@ -43,6 +43,10 @@ services:
     # Bind to loopback; Plesk nginx will proxy via Proxy Rules
     ports:
       - "127.0.0.1:4000:4000"
+    # Ensure name resolution on the default bridge if a custom network can't be created
+    links:
+      - database:database
+      - cache:cache
     # Secrets and server-side config only
     env_file:
       - /var/www/vhosts/asolutions.jp/private/env/portal-backend.env
@@ -113,8 +117,5 @@ volumes:
 
 networks:
   portal-network:
-    driver: bridge
-    driver_opts:
-      com.docker.network.enable_ipv6: "false"
-    enable_ipv6: false
-    name: portal-plesk-network
+    external: true
+    name: bridge