devServer.js

var path = require('path');
var express = require('express');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var webpack = require('webpack');
var config = require('./webpack.config.dev');
require('./server/models/models');
var postAPI = require('./server/api/postAPI');
var commentAPI = require('./server/api/commentAPI');

// var mongoose = require('mongoose');
// mongoose.connect('mongodb://localhost:27017/reduxstagram');

var app = express();
var compiler = webpack(config);

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

app.use('/api', postAPI);
app.use('/api', commentAPI);

app.use(require('webpack-dev-middleware')(compiler, {
  noInfo: true,
  publicPath: config.output.publicPath
}));

app.use(require('webpack-hot-middleware')(compiler));

app.get('*', function(req, res) {
  res.sendFile(path.join(__dirname, 'index.html'));
});

app.listen(7770, 'localhost', function(err) {
  if (err) {
    console.log(err);
    return;
  }

  console.log('Listening at http://localhost:7770');
});