SSR react application webpack config

gistfile1.txt

const ExtractTextPlugin = require('extract-text-webpack-plugin');
const autoprefixer = require('autoprefixer');

const browserConfig = {
    entry: './browser/index.js',
    output: {
        path: __dirname,
        publicPath: '/',
        filename: './public/bundle.js'
    },
    devtool: 'cheap-module-source-map',
    module: {
        rules: [
            {
                test: [/\.svg$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
                loader: 'file-loader',
                options: {
                    name: 'public/media/[name].[ext]',
                    publicPath: url => url.replace(/public/, '')
                }
            },
            {
                test: /\.css$/,
                use: ExtractTextPlugin.extract({
                    use: [
                        {
                            loader: 'css-loader',
                            options: { importLoaders: 1 }
                        },
                        {
                            loader: 'postcss-loader',
                            options: { plugins: [autoprefixer()] }
                        }
                    ]
                })
            },
            {
                test: /js$/,
                exclude: /(node_modules)/,
                loader: 'babel-loader'
            }
        ]
    },
    plugins: [
        new ExtractTextPlugin({
            filename: './public/css/[name].css'
        })
    ]
};

const serverConfig = {
    entry: './server/index.js',
    target: 'node',
    output: {
        path: __dirname,
        filename: 'server.js',
        libraryTarget: 'commonjs2'
    },
    devtool: 'cheap-module-source-map',
    module: {
        rules: [
            {
                test: [/\.svg$/, /\.gif$/, /\.jpe?g$/, /\.png$/],
                loader: 'file-loader',
                options: {
                    name: '../public/media/[name].[ext]',
                    publicPath: url => url.replace(/public/, ''),
                    emit: false
                }
            },
            {
                test: /\.css$/,
                use: [
                    {
                        loader: 'css-loader/locals'
                    }
                ]
            },
            {
                test: /js$/,
                exclude: /(node_modules)/,
                loader: 'babel-loader'
            }
        ]
    }
};

module.exports = [browserConfig, serverConfig];