webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
    mode: 'development',
    devtool: 'inline-source-map',
    devServer: {
        publicPath: '/',
        port: 9000,
        contentBase: path.join(__dirname, 'dist'),
        host: '127.0.0.1',
        hot: true,
    },
    entry: './src/index.js',
    module: {
        rules: [
            {
                include: [path.resolve(__dirname, 'src')],
                loader: 'babel-loader',
                test: /\.js$/,
            },
            {
                include: [path.resolve(__dirname, 'src')],
                test: /\.css$/i,
                use: ['style-loader', 'css-loader'],
            },
        ],
    },
    output: {
        path: path.resolve(__dirname, './dist'),
        filename: '[name].[hash].bundle.js',
    },
    plugins: [
        new HtmlWebpackPlugin({
            template: './src/index.html',
        }),
    ],
};