chore(n8n): add webhook url env variable

apps/n8n/config.json

@@ -5,7 +5,7 @@
   "exposable": true,
   "port": 8094,
   "id": "n8n",
-  "tipi_version": 25,
+  "tipi_version": 26,
   "version": "0.237.0",
   "categories": ["automation"],
   "description": "n8n is an extendable workflow automation tool. With a fair-code distribution model, n8n will always have visible source code, be available to self-host, and allow you to add your own custom functions, logic and apps. n8n's node-based approach makes it highly versatile, enabling you to connect anything to everything.",
@@ -13,14 +13,6 @@
   "author": "n8n.io",
   "source": "https://github.com/n8n-io/n8n",
   "website": "https://n8n.io/",
-  "form_fields": [
+  "form_fields": [],
-    {
-      "type": "random",
-      "label": "Database password",
-      "min": 30,
-      "max": 30,
-      "env_variable": "DB_PASSWORD"
-    }
-  ],
   "supported_architectures": ["arm64", "amd64"]
 }

apps/n8n/docker-compose.yml

@@ -1,4 +1,4 @@
-version: '3.7'
+version: "3.7"
 
 services:
   n8n:
@@ -12,6 +12,7 @@ services:
     command: /bin/sh -c "sleep 5; n8n start"
     environment:
       - N8N_EDITOR_BASE_URL=${APP_PROTOCOL:-http}://${APP_DOMAIN}
+      - WEBHOOK_URL=${APP_PROTOCOL:-http}://${APP_DOMAIN}
     networks:
       - tipi_main_network
     labels: