webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');

module.exports = {
  entry: './client/index.js',
  output: {
    filename: 'bundle.js',
    path: path.resolve(__dirname, './build'),
    // publicPath: ''
  },
  mode: process.env.NODE_ENV,
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/, //1)massive folder 2)doesn't need to be transformed
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
          },
        },
      },
      // {
      //   test: /\.s[ac]ss$/i, ///also: /\.s[ac]ss$/i
      //   use: ['style-loader', 'css-loader', 'sass-loader'],
      // },
      {
        test: /.(css|scss)$/,
        exclude: /node_modules/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(jpe?g|png|gif|svg|mp3)$/i, 
        loader: 'file-loader',
        // options: {
        //   name: '/public/icons/[name].[ext]'
        // }
    }
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  devServer: {
    static: {
      directory: path.resolve(__dirname, './build'),
      publicPath: '/',
    },
    compress: true,
    port: 8080,
    proxy: {
      '/questions': 'http://localhost:3000',
      '/verifyJwt': 'http://localhost:3000',
      '/log-in': 'http://localhost:3000',
      '/sign-up': 'http://localhost:3000',
      '/delete': 'http://localhost:3000'
    },
  },
  plugins: [
    new HtmlWebpackPlugin({
      filename: 'index.html',
      template: './client/index.html',
    }),
  ],
  devtool: 'eval-source-map',
};