srcServer.js

var express = require('express')
var path = require('path')
var open = require('open')

var port = 3000;
var app = express();

app.get('/', function(req, res) {
  res.sendFile(path.join(__dirname, '../src/index.html'));
});

app.listen(port, function(err){
  if (err) {
    console.log(err);
  } else{
    open('http://localhost:' + port);
  }
})