webpack.config.js

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

module.exports = {
  entry: './src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
  },
  mode: 'development',
  module: {
    rules: [
      {
        test: /\.jsx?/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: { presets: ['@babel/env', '@babel/react'] },
        },
      },
      {
        test: /\.module\.s[ac]ss$/i,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              modules: {
                localIdentName: '[name]__[local]__[hash:base64:5]', // More readable class names
              },
              sourceMap: true,
            },
          },
          'sass-loader',
        ],
      },
      {
        test: /\.s[ac]ss$/i,
        exclude: /\.module\.s[ac]ss$/i,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.html$/,
        use: ['html-loader'],
      },
      {
        test: /\.(svg|png|jpe?g|gif)$/i,
        use: {
          loader: 'file-loader',
          options: {
            name: '[name].[ext]',
            outputPath: 'imgs',
          },
        },
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './public/index.html',
    }),
  ],
  devServer: {
    historyApiFallback: true,
    static: {
      directory: path.join(__dirname, 'public'),
      publicPath: '/',
    },
    port: 8080,
    hot: true,
    proxy: [
      {
        context: ['/'],
        target: 'http://localhost:3000',
      },
    ],
  },
};