webpack.config.js

var HTMLWebpackPlugin = require('html-webpack-plugin');
var webpack = require('webpack');

var HTMLWebpackPluginConfig = new HTMLWebpackPlugin({
    template: __dirname + '/app/index.html',
    filename: 'index.html',
    inject: 'body'
});

module.exports = {
    mode: 'production',
    entry: __dirname + '/app/index.js',
    module: {
        rules: [
            {
                test: /\.js$/,
                exclude: /node_modules/,
                loader: 'babel-loader'
            },
            {
                test: /\.css$/,
                loader: 'style-loader!css-loader'
            },
            {
                test: /\.(jpg|png|gif|svg|pdf|ico)$/,
                use: [
                    {
                        loader: 'file-loader',
                        options: {
                            name: '[path][name]-[hash:8].[ext]'
                        },
                    },
                ]
            }
        ]
    },
    output: {
        filename: 'index.min.js',
        path: __dirname + '/build'
    },
    plugins: [
        HTMLWebpackPluginConfig,
        new webpack.EnvironmentPlugin({...process.env})
    ],
    devServer: {
        historyApiFallback: true,
    }
};