webpack.config.js

const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebPackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/app.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'main.js'
  },
  mode: 'development',
  module: {
    rules: [
      {
        test: /\.html$/,
        use:  [
          {
            loader: 'html-loader',
            options: { minimize: false },
          }
        ]
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
    ]
  },
  plugins: [
    new  HtmlWebPackPlugin({
      template: './src/index.html',
      filename: './index.html'
    }),
    new MiniCssExtractPlugin({
      filename: '[name].css',
      chunkFilename: '[id].css',
    }),
  ],
  devtool: 'inline-source-map',

  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    port: 3000,
  },
};