How to access my app via ip without specify port?

Hi, I have a Dokku app that uses Django (don’t know if that’s important).

When I type my url on browser I get a “It works” page, but when I push I get something like: –> Application deployed: http://9*...*5:49157

But when pushed an update it was like: –> Application deployed: http://9*...*5:49159

So, how can I make it, so, doesn’t matter how many times I push, it remains in same port (otherwise I won’t be able to set a domain name).

It would be perfect if you could tell me how could I make it so I didn’t have to type the port, just the url in browser and still see my code.

Thanks