<!DOCTYPE html>
<html>
  <head>
    <title>Image Uploader</title>
  </head>
  <body>
    <form method="POST" action="/upload" enctype="multipart/form-data">
      <input type="file" name="uploadImg" />
      <button type="submit">Upload</button>
    </form>
    <br />
    <button onclick="window.location.href='/images'">Show Images</button>
  </body>
</html>
