Build frontend locally for lightweight deployment

next.config.ts

@@ -1,7 +1,8 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
-  /* config options here */
+  // Export a browser-only site so the small server only needs to serve files.
+  output: "export",
 };
 
 export default nextConfig;