There are times when you need to use multiple domains.
In the past, there seemed to be an IDENTITY__MULTIPLEDOMAINS env,
but it appears to have been removed.
identity-server/.well-known/openid-configuration
Since there is only one URL_BASE input, the issuer is fixed, so only one domain can log in.
Is there a way to use Squidex across multiple domains?
For example, a company-provided OAuth2-based SSO has a policy that restricts the redirect_url to only the company domain.