webpack.config.js

const webpack = require('webpack');
const path = require('path');

module.exports = {
  entry: './client/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, 'dist'),
  },
  mode: process.env.NODE_ENV,
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /(node_modules)/,
        use: ['babel-loader'],
      },
      {
        test: /\.css$/i,
        exclude: /(node_modules)/,
        use: [
          'style-loader',
          {
            loader: 'css-loader',
            options: {
              modules: true,
            },
          },
        ],
      },
    ],
  },
  resolve: {
    extensions: ['*', '.js', '.jsx'],
  },
  plugins: [new webpack.HotModuleReplacementPlugin()],
  devServer: {
    contentBase: path.resolve(__dirname, './dist'),
    hot: true,
    proxy: {
      '/api/**': {
        target: 'http://localhost:3000/',
        secure: false,
      },
    },
  },
};