fix: add coolify external network to backend+frontend for Traefik routing

docker-compose.yml

@@ -46,6 +46,7 @@ services:
       start_period: 15s
     networks:
       - erp-network
+      - coolify
 
   # ============ Frontend (Next.js standalone) ============
   frontend:
@@ -113,10 +114,8 @@ services:
       retries: 5
       start_period: 5s
     networks:
-      erp-network:
+      - erp-network
-        aliases:
+      - coolify
-          - erp-redis
-          - redis
 
 # ============ Volumes ============
 volumes:
@@ -131,3 +130,6 @@ volumes:
 networks:
   erp-network:
     driver: bridge
+  coolify:
+    name: coolify
+    external: true