server.js

const express       = require('express');
const logger        = require('morgan');
const bodyParser    = require('body-parser');
const path          = require('path');

require('./db');

const routes = require('./api/routes.js');

const app = express();

app.use(function(req, res, next) {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});

app.use(logger('dev'));
app.use(bodyParser.json({type: '*/*'}));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/api', routes);

app.get('*', (req, res) => {
  res.sendFile(path.join(__dirname, 'public/index.html'));
});

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  const err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res) {
  // 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);
  console.log(err);
});

module.exports = app;