webpack.config.js

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

module.exports = {
  mode: process.env.NODE_ENV,
  entry: './client/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
    publicPath: '/',
    clean: true,
  },
  devtool: 'inline-source-map',
  devServer: {
    static: './dist',
    proxy: {
      '/api': 'http://localhost:3000',
    },
    historyApiFallback: true,
  },
  module: {
    rules: [
      {
        test: /\.(css|scss)$/i,
        exclude: /node_modules/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(js|jsx)$/i,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
          },
        },
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './client/index.html',
    }),
  ],
  resolve: {
    extensions: ['.js', '.jsx'],
  },
};