nodejs-socket/file-server.js

const express = require("express");
const app = express();
const http = require("http");
const server = http.createServer(app);

app.get('/', (req, res)=>{
	res.sendFile(__dirname + '/index-static.html');
	//res.send('<h1> Hello World</h1>');
});

server.listen(4040, ()=>{
	console.log('listen on http://beaglebone-black.local:4040');
});