title: Failing to deploy portfolio app with heroku and Rails
body: <p>I am trying to deploy a portfolio Rails6 app with heroku but when I run git push heroku main it says</p>
  <p>Precompiling assets failed.
  Push rejected, failed to compile Ruby app.</p>
  <p>I will share with you some screenshots of the terminal so that you can understand more about the problem. If you want you can see my code at <a href="https://github.com/andreamaf01/portfolio" rel="nofollow noreferrer">https://github.com/andreamaf01/portfolio</a>. I hope that you can help me, y'all have a good day.</p>
  <p><a href="https://i.stack.imgur.com/1n3IH.png" rel="nofollow noreferrer">terminal-img</a>
  <a href="https://i.stack.imgur.com/AwEcH.png" rel="nofollow noreferrer">terminal-img2</a></p>