webpack.config.js

var webpack = require('webpack');
var path = require('path');
module.exports = {

    // 配置服务器
    devServer: {
        historyApiFallback: true,
        hot: true,
        inline: true,
        progress: true,
        contentBase: '.', //最好写上，否则报错，难道这里是一个坑？
        port: 8080,
        proxy: {
            '/api/*': {
                target: 'http://127.0.0.1:8000',
                secure: false
            }
        }
    },

    entry: [
        "webpack-dev-server/client?http://0.0.0.0:8080",
        "webpack/hot/only-dev-server",
      "./js/entry.js"
    ],

    output: {
        publicPath: 'build',
        filename: "bundle.js"
    },

    module: {
        loaders: [
            { test: /\.js?$/, loaders: ['react-hot', 'babel'], exclude: /node_modules/ },
            // { test: /\.js$/, exclude: /node_modules/, loader: 'babel-loader'},
            { test: /\.css$/, loader: "style!css" },
            {test: /\.less/,loader: 'style-loader!css-loader!less-loader'}
        ]
    },
    resolve:{
        extensions:['','.js','.json']
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin()
    ]
};