app.js

var createError = require('http-errors');
var express = require('express');
var path = require('path');

var app = express();

// Static files
app.use(express.static(path.join(__dirname, 'assets')));

/*
// Enable reverse proxy support in Express. This causes the
// the "X-Forwarded-Proto" header field to be trusted so its
// value can be used to determine the protocol. See 
// http://expressjs.com/api#app-settings for more details.
app.enable('trust proxy');

app.use (function (req, res, next) {
  if (req.secure) {
          // request was via https, so do no special handling
          next();
  } else {
          // request was via http, so redirect to https
          res.redirect('https://' + req.headers.host + req.url);
  }
});
*/
app.get('/', function (req, res) {
    res.sendFile(__dirname + '/index.html');
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;