update WEBHOOK

Dockerfile

@@ -18,6 +18,7 @@ ARG N8N_PORT=$N8N_PORT
 ARG N8N_PROTOCOL=https
 ARG N8N_EDITOR_BASE_URL=$N8N_EDITOR_BASE_URL
 ARG WEBHOOK_URL=$WEBHOOK_URL
+ARG N8N_PROXY_HOPS=1
 ARG GENERIC_TIMEZONE=$GENERIC_TIMEZONE
 ARG TZ=$TZ
 ARG N8N_ENCRYPTION_KEY=$N8N_ENCRYPTION_KEY