title: Hosting react and nodejs heroku but frontend not work
body: <p>I try hosting my website in <code>Heroku</code> use react and <code>nodejs</code>.
  I'm successfully hosting my app but, why only the server running but the client not?</p>
  <p>This is the result
  <a href="https://i.stack.imgur.com/CwmnP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CwmnP.png" alt="enter image description here" /></a></p>
  <p>This is my folder
  <a href="https://i.stack.imgur.com/iyLze.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iyLze.png" alt="enter image description here" /></a></p>