Earlier quoted context omitted.
nginx-proxy becomes almost a must have if you have multiple services and prefer remembering domain names instead of port numbers https://github.com/nginx-proxy/nginx-proxy
Why not just have a main page on a single domain that has links to all the services? That way you only need to remember one domain name.
Of course, a service map comes handy, just another simple way of getting it done. What I meant with the proxy was using e.g. jellyfin.example.com and portainer.example.com instead of the ports. Not to mention that two apps might have the same default port.
For those with a multi-machine setup, like running the easy stuff on a 1L machine and having backupservice at multiple locations or the LLMs on a big setup that might even use WakeOnLan the proxy will keep you from having to remember the IPs as well.