webpack.config.js

const {resolve} = require('path');
const webpack = require('webpack');

module.exports = {
    entry: [
        "react-hot-loader/patch",
        "webpack-dev-server/client?http://localhost:9090",
        "webpack/hot/only-dev-server",
        './src/index.js'
    ],
    output: {
        filename: 'bundle.js',
        path: resolve(__dirname, 'public'),
        publicPath: 'http://localhost:9090/'
    },
    devtool: 'source-map',
    module: {
        loaders: [
            {
                test: /\.js?$/,
                exclude: /node_modules/,
                loader: 'babel-loader'
            },
            {
                test: /\.css$/,
                loader: 'style-loader!css-loader'
            },
            {
                test: /\.scss$/,
                use: [{
                    loader: "style-loader" // creates style nodes from JS strings
                }, {
                    loader: "css-loader" // translates CSS into CommonJS
                }, {
                    loader: "sass-loader" // compiles Sass to CSS
                }]
            },
            {
                test: /\.(png|woff|woff2|otf|ttf|svg|eot)$/,
                use: ['url-loader']
            }
        ]
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin(),
        new webpack.NamedModulesPlugin()
    ]
};