app.js

var express = require("express");
var morgan = require("morgan");
var cookie = require("cookie-parser");
var parser = require("body-parser");
var session = require("express-session");

var app = express();

app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header(
    "Access-Control-Allow-Headers",
    "X-Requested-With, X-HTTP-Method-Override, Content-Type, Accept"
  );
  res.header("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE");
  res.header("Access-Control-Allow-Credentials", false);
  res.header("Access-Control-Max-Age", "86400");
  res.header("X-HTTP-Method-Override, Content-Type, Accept");
  next();
});

app.use(morgan("combined"));

app.use(cookie());

app.use(
  session({
    secret: "keyboard cat",
    resave: true,
    saveUninitialized: true,
    cookie: {
      maxAge: 2000000
    }
  })
);

app.use(
  parser.urlencoded({
    extended: true
  })
);

app.use(parser.json());

app.use(express.static(__dirname + "/public"));

const serverPort = process.env.PORT || 1488;
app.listen(serverPort, function() {
  console.log("Server is on " + serverPort + " port.");
});