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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.// Note: this is a keep-alive server.const { Server } = require("net");const port = process.argv[2] || "4544";console.log("port", port);
const response = Buffer.from(  "HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n",);
Server((socket) => {  socket.on("data", (_) => {    socket.write(response);  });  socket.on("error", (_) => {    socket.destroy();  });}).listen(port);