const PORT = process.env.PORT || 3000; const HOSTNAME = process.env.HOST || "0.0.0.0" Bun.serve({ hostname: HOSTNAME, port: PORT, fetch(req) { const url = new URL(req.url); if (url.pathname === "/") return new Response("Home page!"); if (url.pathname === "/envs") { return new Response(JSON.stringify(process.env, null, 2), { headers: { "content-type": "application/json" }, }); }; return new Response("404!"); }, }) console.log(`Server running at http://${HOSTNAME}:${PORT}`);