var app = require('express')();
var serveur = require('http').createServer(app);
var fs = require('fs');
var io = require('socket.io').listen(serveur);
var router = app.Router();
var path = __dirname + '/views/'

router.use(function (req,res,next) {
   next();
});

router.get('/', function(req,res){
   res.sendfile(path + index.html);
});

app.use("/",router);

app.use("*",function(req,res){
  res.sendFile(path + "404.html");
});

serveur.listen(8080,'MY_IP_ADRESS');

<div class="embed-responsive embed-responsive-16by9">
        <video autoplay loop  id="bg-video">
            <source src="vidos/myvideo" type="video/mp4">
        </video>
</div>