I am running up-to-date UCS server with Horde installed via App Center.
Now a user needs to send an attachment bigger than 2MB, for which the upload is denied.
In Horde Administration $conf[compose][attach_size_limit] is already set to ‘0’ (zero).
Therefor the limit for PHP upload_max_filesize is relevant.
But how can I get that changed so that it is persistent since Horde is running in a docker container?