Bitwarden and Nginx proxy manager

Hello

I installed bitwarden via their install script a while back and all was working well.

recently I wanted to start running a reverse proxy because security and also its cooler to type in a domain name instead of numbers. I disabled the ngnix instance that bitwarden had installed because it was hogging the same ports a Ngnix Proxy Manager.

Now how should I get Bitwarden accessable? I have the .conf file from the bitwarden Ngnix instance, can I just load that into NMP somewhere?

or should I just change the ports the old ngnix operates on and point NPM at it when the bitwarden subdomain is accessed?

if it was just one service it would be simple but there are many running in the bitwarden stack, all on the same port and I'm very new to ngnix so I can't fully grasp what the .conf file is doing and I'm unable to add new passwords to bitwarden until I get this sorted out.

Thanks

Edit: bitwarden is in docker container, as is Nginx Proxy Manager