如何使webpack dev服务器访问公开?

https://github.com/nttcom/SkyWay-MultiParty我testing了这个api在本地运行webpack dev服务器
这是成功,但我想访问其他电脑或智能手机

我能做什么? 我第一次看到webpack代码

的package.json

{ "name": "skyway-multiparty", "version": "1.0.4", "description": "SkyWay js library for multi party apps", "homepage": "https://github.com/nttcom/SkyWay-MultiParty", "repository": { "type": "git", "url": "git://github.com/nttcom/SkyWay-MultiParty.git" }, "main": "lib/index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "webpack-dev-server": "webpack-dev-server --host 172.19.1.200 --port 8081 --open --https --content-base ./" }, 

webpack.config.js

 const webpack = require('webpack'); const path = require('path'); let _entry; switch(process.env.NODE_ENV) { default: _entry = { "multiparty": path.join(__dirname, "lib/index.js") }; break; } module.exports = { entry: _entry, devtool: "source-map", output: { path: path.join(__dirname, "dist"), publicPath: '/dist/', filename: process.env.NODE_ENV === "production" ? "[name].min.js" : "[name].js" }, 

如何改变这个configuration文件?