adapter fix

astro.config.mjs

@@ -9,6 +9,9 @@ dotenv.config();
 export default defineConfig({
   output: 'server', // Change to 'server' if you need SSR
   
+  adapter: node({
+    mode: 'standalone'
+  }),
   // Development server settings
   server: {
     host: '0.0.0.0',