Why doesn't the GUI for Docker work?

Question

Docker

I am not getting a response from the Rapid environment. I don’t understand what the problem is
ip172-18-0-33-bfk1muqv9dig00f0q450-8080.direct.lab...
Link to PWD:
https://labs.play-with-docker.com/p/bfk1muqv9dig00...
If the lifetime container is over, then in the project repository
https://github.com/ozlerhakan/rapid
you can create a new instance via PWD