Hello @hitchhiker139 and welcome to the forum !
I suppose you had to change the default docker file Passbolt provides in order to change the port. Is it possible for you to share the file you use to run your containers please?
It’s hard to be sure, but like that, I suspect that you should change the docker port redirection with 8080:80 and 4343:443. Also, you will need to set your APP_FULL_BASE_URL value to specify the port as well.