Traefik for SSL, using Google Domains and wildcard

I have generated a ACME DNS Access Token from Google Domains, and have successfully added a wildcard domain. The thing is my I want to apply a wildcard domain to a subdomain of a CNAME. So my domain is, and I want SSL for that domain and all wildcards of * How can I configure this using docker-compose.yml file. Thanks in advance.

Maybe special settings for CNAME required. Wording is strange, just try with/out.

If needed, CNAME support can be disabled with the following environment variable:


And check the doc examples for wildcard use.