webpack.config.js

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

module.exports = {
  entry: './client/index.js',
  devtool: 'source-map',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'build'),
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './client/index.html',
    }),
  ],
  resolve: {
    modules: [__dirname, 'client', 'node_modules'],
    extensions: ['*', '.js', '.jsx', '.tsx', '.ts'],
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: require.resolve('babel-loader'),
      },
      {
        test: /\.(scss|css)$/,
        use: ['style-loader', 'css-loader', 'sass-loader'],
      },
      {
        test: /\.png|svg|jpg|gif$/,
        use: ['file-loader'],
      },
    ],
  },
  devServer: {
    proxy: {
      '/api': 'http://localhost:3000',
    },
  },
};