webpack.config.js

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

module.exports = {
  mode: "development",
  entry: './client/src/index.js',
  output: {
    path: path.join(__dirname, 'client', 'dist'),
    filename: 'bundle.js',
    clean: true
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader'
        }
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"],
      },
      {
        test: /\.(jpg|png)$/,
        use: {
          loader: 'url-loader',
        }
      },
      {
        test: /\.json$/,
        use: {
            loader: 'json-loader'
        }
      }
    ]
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './client/src/index.html'
    })
  ]
}