No, that is not possible with the sabayon architecture. It needs to store letsencrypt key/token for all domains, and stores them as config vars. You'd have to

No, that is not possible with the sabayon architecture. It needs to store letsencrypt key/token for all domains, and stores them as config vars. You'd have to store them in a database for example to avoid having to restart the app. But that wouldn't be a good solution either, as letsencrypt will not allow you to have more than 100 domains under the same certificate.