feat(settings): run Traefik setup in background to prevent proxy timeouts

- Modified the Traefik setup call to execute in the background, allowing immediate response to the client.
- Added error handling to log any issues during the background execution of the Traefik setup.

apps/dokploy/server/api/routers/settings.ts

@@ -158,10 +158,14 @@ export const settingsRouter = createTRPCRouter({
 				newPorts = ports.filter((port) => port.targetPort !== 8080);
 			}
 
-			await writeTraefikSetup({
+			// Run in background so the request returns immediately; client polls /api/health.
+			// Avoids proxy timeouts (520) while Traefik is recreated.
+			void writeTraefikSetup({
 				env: preparedEnv,
 				additionalPorts: newPorts,
 				serverId: input.serverId,
+			}).catch((err) => {
+				console.error("toggleDashboard background writeTraefikSetup:", err);
 			});
 			return true;
 		}),