diff --git a/docker-compose.yml b/docker-compose.yml
index adb1c98..18057a2 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.8'
-
 services:
   db:
     image: postgres:15-alpine
@@ -28,7 +26,7 @@ services:
       - ADMIN_EMAIL=${ADMIN_EMAIL:-admin@admin.com}
       - ADMIN_PASSWORD=${ADMIN_PASSWORD:-admin123}
       - JWT_SECRET=${JWT_SECRET:-super_secret_jwt_key_123}
-      - N8N_WHATSAPP_TRIGGER_URL=${N8N_WHATSAPP_TRIGGER_URL}
+      - N8N_WHATSAPP_TRIGGER_URL=${N8N_WHATSAPP_TRIGGER_URL:-http://localhost:5678/webhook/whatsapp}
     depends_on:
       - db
     restart: unless-stopped
@@ -45,4 +43,4 @@ services:
     restart: unless-stopped
 
 volumes:
-  pgdata:
\ No newline at end of file
+  pgdata: