TLS cert ACME challenge fails for custom domain on project

Hi All,

Probably some traefik/domain issue, but I cannot figure out the problem for days, and any help would be much appreciated.

I have 2 domains, let's say domain1.dev and domain2.com.

I installed Appwrite with Coolify on appwrite.domain1.dev, and all works fine, Appwrite is running on https, no problem at all.

I've created a new project for domain2.com, and tries to set appwrite.domain2.com for the project. On domain2.com I'm hosting a deno+fresh application. CNAME record seems fine, Appwrite shows the subdomain is verified, but the certificate generation always fails with this error during the ACME challenge:

Certbot failed to authenticate some domains (authenticator: webroot). The Certificate Authority reported these problems:
  Domain: appwrite.domain2.com
  Type:   unauthorized
  Detail: <SERVERIP>: Invalid response from http://appwrite.domain2.com/.well-known/acme-challenge/CyShOfnPsridRYNE0aGP2kXhSTjBcEdUjgoAMGo8bSY: 404

pinging appwrite.domain2.com retrieves answer back from appwrite.domain1.dev, so CNAME seems okay. However, accessing http://appwrite.domain2.com in the browser gives me back a 404, also http://appwrite.domain2.com/versions does the same.

I've checked that port 80 and 443 are available on the Appwrite instance. I don't use Cloudfare or any other tunnels, just simple DNS stuff.

I have a feeling, that it always redirects to https, or it can be some traefik issue, or Coolify-related thing, but I just cannot figure out the problem.