app.js

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

var routes = require('./routes/index');

var webpack = require('webpack');
var webpackConfig = require('./webpack.config');

var compiler = webpack(webpackConfig)

var app = express();
var env = process.env.NODE_ENV || 'dev';

// Setup webpack hot reloading.
if (env === 'dev') {
  app.use(require('webpack-dev-middleware')(compiler, {
    publicPath: webpackConfig.output.publicPath
  }));

  app.use(require('webpack-hot-middleware')(compiler));
}
else {
  // Serve the js application.
  app.use('/build', express.static('build'));
}

// View engine
app.set('views', __dirname + '/views/');
app.set('view engine', 'ejs')

// 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, 'data')));

app.use('/', routes);

// 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);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

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

module.exports = app;