server.js

var path = require('path');
var webpack = require('webpack');
var WebpackDevServer = require('webpack-dev-server');
var config = require('./webpack.dev.config');
var opn = require('opn');
var ip = '0.0.0.0';
var port = 9031;

if (typeof config.entry === 'string') {
  config.entry = ["webpack-dev-server/client?http://"+ip+":"+port, "webpack/hot/dev-server" ,config.entry];
}else if(typeof config.entry === 'object'){
  for(var k in config.entry){
    if( k !== 'commons'){
      var main = config.entry[k]
      config.entry[k] = ["webpack-dev-server/client?http://"+ip+":"+port, "webpack/hot/dev-server"].concat(main)
    }
  }
}

new WebpackDevServer(webpack(config), {
  contentBase: path.resolve(__dirname, './'),
  host : ip,
  hot: true,
  disableHostCheck : true,
  //设置webpack-dev-server启动的时候，bundles的输出的路径，打包的时候这个publicPath没有作用
  publicPath: config.output.publicPath,
  // /api/* 会指向  http://127.0.0.1:3000/api/*  如  /api/users 就会指向  http://127.0.0.1:3000/api/users
  proxy : {
    '/api/*' : {
      target : 'http://127.0.0.1:9001'
    }
  },
  historyApiFallback: true
}).listen(port,ip, function (err) {
  if (err) {
    console.log(err); //eslint-disable-line no-console
  }else{
  	opn('http://127.0.0.1:' + port);
  	console.log('Listening at http://127.0.0.1:' + port); //eslint-disable-line no-console
  }

});