title: Docker can't find the main class. How to solve this?
body: <p><a href="https://i.stack.imgur.com/YZG6A.png" rel="nofollow noreferrer">enter image description here</a></p>
  <p>I was following the tutorial from jetBrains and this error occured. Docker can't find my Main class.How to solve this?</p>
  <p>My image name is hello-world:1.0</p>