webpack.config.js

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

module.exports = {
  mode: "development",
  entry: path.join(__dirname, "client/src", "index.js"),
  output: {
    path:path.resolve(__dirname, "client/dist"),
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader",
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react']
          }
        }
      },
      {
        test: /\.css$/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        test: /\.(png|svg|jpg|jpeg|gif)$/i,
        type: 'asset/resource',
      }
    ]
  },
  plugins: [
    new Dotenv({
      systemvars: true,
    }),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, "client/src", "index.html"),
    }),
  ],
  resolve: {
    extensions: ['.js', '.jsx']
  }
}