app.js

var express = require('express')
var path = require('path')
var cors = require('cors')
var logger = require('morgan')
var cookieParser = require('cookie-parser')
var bodyParser = require('body-parser')

var sample = require('./routes/sample')
var app = express()

// uncomment after placing your favicon in /public
// app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'))
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({ extended: false }))
app.use(cookieParser())
app.use(express.static(path.join(__dirname, 'public')))
// Serve static files from the React app
app.use(express.static(path.join(__dirname, 'client/build')))
app.use(cors())
app.use('/sample', sample)
app.get('/*', (req, res) => {
  res.sendFile(path.join(__dirname + '/client/build/index.html'))
})

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

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function (err, req, res, next) {
    res.status(err.status || 500).send(err)
  })
}

// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
  res.status(err.status || 500).send(err)
})

module.exports = app