웹팩5 설정에 관해 질문이 있습니다,,

React
1 
import path from 'path';
import ReactRefreshWebpackPlugin from '@pmmmwh/react-refresh-webpack-plugin';
import webpack, { Configuration as WebpackConfiguration } from 'webpack';
import ForkTsCheckerWebpackPlugin from 'fork-ts-checker-webpack-plugin';
// import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer';
import { Configuration as WebpackDevServerConfiguration } from 'webpack-dev-server';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import dotenv from 'dotenv';
interface Configuration extends WebpackConfiguration {
  devServer?: WebpackDevServerConfiguration;
}
const isDevelopment = process.env.NODE_ENV !== 'production';

const config: Configuration = {
  name: 'blahblah',
  mode: isDevelopment ? 'development' : 'production',
  devtool: !isDevelopment ? 'hidden-source-map' : 'inline-source-map',
  resolve: {
    extensions: ['.js', '.jsx', '.ts', '.tsx', '.json'],
    alias: {
      '@src': path.resolve(__dirname, 'src'),
    },
  },
  entry: {
    app: './client',
  },
  target: ['web', 'es5'],
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        loader: 'babel-loader',
        options: {
          presets: [
            [
              '@babel/preset-env',
              {
                targets: { browsers: ['IE 10'] },
                debug: isDevelopment,
              },
            ],
            '@babel/preset-react',
            '@babel/preset-typescript',
          ],
          env: {
            development: {
              plugins: [
                'babel-plugin-styled-components',
                '@babel/plugin-transform-runtime',
                require.resolve('react-refresh/babel'),
              ],
            },
          },
        },
      },
      {
        test: /\.css?$/,
        use: ['style-loader', 'css-loader'],
      },
      {
        test: /\.(png|jpe?g|gif)$/i,
        use: [
          {
            loader: 'file-loader',
          },
        ],
      },
    ],
  },
  plugins: [
    new ForkTsCheckerWebpackPlugin({
      async: false,
      // eslint: {
      //   files: "./src/**/*",
      // },
    }),
    new webpack.EnvironmentPlugin({ NODE_ENV: isDevelopment ? 'development' : 'production' }),
    new HtmlWebpackPlugin({
      template: path.resolve('./index.html'),
      filename: 'index.html',
    }),
    new webpack.DefinePlugin({
      'process.env': JSON.stringify(dotenv.config().parsed),
    }),
  ],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: '[name].js',
    publicPath: '/dist/',
  },
  devServer: {
    historyApiFallback: true,
    port: 3000,
    devMiddleware: { publicPath: '/dist/' },
    static: { directory: path.resolve(__dirname) },
    // proxy: {
    //   '/api/': {
    //     target: 'http://localhost:8000',
    //     changeOrigin: true,
    //     ws: true,
    //   },
    // },
  },
};

if (isDevelopment && config.plugins) {
  config.plugins.push(new webpack.HotModuleReplacementPlugin());
  config.plugins.push(
    new ReactRefreshWebpackPlugin({
      overlay: {
        useURLPolyfill: true,
      },
    }),
  );
  // config.plugins.push(new BundleAnalyzerPlugin({ analyzerMode: 'server', openAnalyzer: false }));
}
if (!isDevelopment && config.plugins) {
  config.plugins.push(new webpack.LoaderOptionsPlugin({ minimize: true }));
  // config.plugins.push(new BundleAnalyzerPlugin({ analyzerMode: 'static' }));
}

export default config;

배포를 한번 해보려고 하는데 dist 폴더에 js, index.html 등 잘 만들어집니다. 하지만 배포를 했을 때 흰색 화면 밖에 나오지 않는데, 이건 어떻게 접근해야할까요? 개발서버는 잘 동작합니다.

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>lbahblah</title>

    </style>

</head>
<body>
<div id="app">

</div>
<script src="/dist/app.js">

</script>
</body>
</html>

"scripts": {
    "dev": "cross-env TS_NODE_PROJECT=\"tsconfig-for-webpack-config.json\" webpack serve --env development",
    "build": "cross-env NODE_ENV=production TS_NODE_PROJECT=\"tsconfig-for-webpack-config.json\" webpack",
    "test": "echo \"Error: no test specified\" && exit 1"
  },

밑의 코드는 빌드가 완료되었을 때의 index.html입니다. minify: false로 일단은 보기 편하게 해뒀습니다.

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>blahblah</title>

    </style>

<script defer src="app.js"></script></head>
<body>
<div id="app">

</div>
<script src="/dist/app.js">

</script>
</body>
</html>