Custom domain support

[arp242]

Users should be able to add a CNAME to stats.example.com to example.goatcounter.com.

Not hard but needs support for CSP etc. Need to add a setting for it.

[gpanders]

Is this implemented? I have been wrestling with getting GoatCounter stood up behind a Traefik reverse proxy with no success, but if I can just redirect from a subdomain on my own domain then I would rather just do that!

[arp242]

Yeah, it should work @gpanders, but the acme/tls implementation depends on acme.sh right now, so that might error out. GoatCounter doesn't serve the TLS itself right now at all, so it's just for the benefit of the https proxy.

Redirecting (HTTP 301) should always work, but a CNAME needs some support on GoatCounter's side. If the UI doesn't work you can just update sites set plan='business', cname='stats.example.com' where id=1.

The self-hosting experience might be as bit rough in some areas like this I'm afraid. Improving this is one of the goals for v1.1

Setting up a proxy shouldn't be too hard, essentially just redirect *.mydomain.com to GoatCounter. There should probably be a simpler "self-host mode" to just run it on stats.mydomain.com without all this faffing about that's only needed for the SaaS part 🤔

[arp242]

I create #120 to track this @gpanders, in case you want to subscribe to that and be notified once it's done.