text: const PORT = process.env.PORT || 1337;
  const HOST = process.env.HOST || "0.0.0.0";
  
  const express = require("express");
  const app = express();
  
  app.use(express.static("."));
  app.listen(PORT, HOST, () =>
    console.log(`Server listening at http://${HOST}:${PORT}/`)
  );
  