fix: remove port binding from app service - Coolify Traefik handles routing

docker-compose.yml

@@ -30,8 +30,7 @@ services:
       dockerfile: Dockerfile
     container_name: webgis_app
     restart: unless-stopped
-    ports:
+    # CATATAN: Tidak perlu 'ports' — Coolify/Traefik handle routing otomatis
-      - "${APP_PORT:-3000}:3000"
     environment:
       NODE_ENV: production
       PORT: 3000