webpack.config.js

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

module.exports = {
    entry: './src/index.js',
    output: {
      filename: 'main.js',
      path: path.resolve(__dirname, 'dist'),
    },
    module: {
      rules: [
        {
          test: /\.scss$/,
          use: [
            MiniCssExtractPlugin.loader,
            'css-loader',
            'sass-loader',
          ],
        },
        {
          test: /\.html$/,
          use: [
            {
              loader: 'html-loader',
              options: { minimize: true },
            },
          ],
        },
      ],
    },
    plugins: [
      new MiniCssExtractPlugin({
        filename: 'main.css',
      }),
      new HtmlWebpackPlugin({
        template: './src/index.html',
        filename: 'index.html',
      }),
    ],
    devServer: {
      static: {
        directory: path.join(__dirname, 'dist'),
      },
      compress: true,
      port: 9000,
    },
};