How to match route when hostname is not known at compile time and simply matching by . is not possible?

[sodapopcan]

Matching all subdomains in Phoenix routing

In short, the “match any subdomain” clause in the router is to just not specify the :host option. The subdomain itself will be available in conn.host so you could pull it out in a plug and do whatever you need to do with it. If you want different routes depending on the presence of a subdomain, that’s a little different. There are a few discussions around here about it but I’m having trouble finding the ones I found helpful. I do have the (abandon) project I was using it in, though. In sho…

(I forgot where I originally got this code from, I know it was on this forum somewhere)