webpack2.configuration.js

const path = require('path');
const webpack = reuqire('webpack');

const config = {
    devtool: 'eval-source-map',
    target: 'web',
    entry: {
        app: [
            'webpack-hot-middleware/client', 
            './src/index.js'
        ]
    },
    output: {
        path: path.join(__dirname, 'dist'),
        filename: '[name].js',
        publicPath: '/static/'
    },
    plugins: [
        new webpack.HotModuleReplacementPlugin()
    ],
    module: {
        rules: [{
            test: /\.css$/,
            use: [{
                loader: 'postcss-loader'
            }],
            include: path.join(__dirname, 'src')
        }, {
            test: /\.js$/,
            use: [{
                loader: 'babel-loader'
            }],
            include: path.join(__dirname, 'src')
        }]
    }
};