webpack.config.js

const webpack = require('webpack');
const path = require('path');
require('dotenv').config();
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const isDevelopment = process.env.NODE_ENV === 'development';

module.exports = {
  entry: './src/index.js',
  output: {
    filename: 'bundle.js',
    path: path.join(__dirname, 'public'),
  },
  module: {
    rules: [
      {
        loader: 'babel-loader',
        test: /\.jsx?$/,
        exclude: /node_modules/,
      },
      {
        test: /\.svg$/,
        use: ['@svgr/webpack'],
      },
      {
        test: /\.(png|jpg|gif)$/,
        use: ['file-loader'],
      },
      {
        test: /\.(s*)css$/,
        use: [
          isDevelopment ? MiniCssExtractPlugin.loader : 'style-loader',
          'css-loader',
          'sass-loader',
        ],
      },
    ],
  },
  devServer: {
    historyApiFallback: true,
    contentBase: path.resolve(__dirname, './public'),
    open: true,
    compress: true,
    hot: true,
    port: 8080,
  },
  plugins: [
    new MiniCssExtractPlugin({
      filename: 'style.css',
    }),
    new webpack.HotModuleReplacementPlugin(),
  ],
  resolve: {
    extensions: ['.js', '.scss', 'jsx'],
    alias: {
      Components: path.resolve(__dirname, '/src/components'),
      Utils: path.resolve(__dirname, '/src/utils'),
    },
  },
};