index.html

<!DOCTYPE html>
<html>

<head>
  <meta http-equiv="Content-type" content="text/html; charset=utf-8" />
  <title>Webpack-react</title>
</head>

<body>
  <div id="content" class="">
    <!-- this is where the root react component will get rendered -->
  </div>

  <!-- include the webpack-dev-server script so our scripts get reloaded when we make a change -->
  <!-- we'll run the webpack dev server on port 8090, so make sure it is correct -->
  <script type="text/javascript" src="http://localhost:8090/webpack-dev-server.js"></script>
  <!-- include the bundle that contains all our scripts, produced by webpack -->
  <!-- the bundle is served by the webpack-dev-server, so serve it also from localhost:8090 -->
  <script type="text/javascript" src="http://localhost:8090/assets/index.js"></script>
</body>

</html>