text: const http = require("http");
  
  const server = http.createServer((req, res) => {
    res.statusCode = 200;
    res.setHeader("Content-Type", "text/plain");
    res.end("Your own server here");
  });
  
  server.on("error", err => {
    console.log("Error:: ", err);
  });
  
  server.listen(3000, "127.0.0.1", () => {
    console.log("Server up and running");
  });
  