This is honestly the most confusing and complicated part of self-hosting.
I agree! It took me years to finally decide to buckle down and wrap my head around what a "reverse proxy" is. Once I figured it out things became so much more usable and fun.
Combined with DNS redirects in my LAN (to get around NAT loopback), things are very easy to use.
Is Pirate Party a nickname or do they actually call themselves that?