We have a new version from the Setup Script with many bugfixes an now email support for smarthosts.
We created an easy setup script for Debian 11 (Bullseye) which can install Nextcloud High performance backend, Signaling & Collabora Office (with MS fonts) in only 5 minutes.
The GitHub page: GitHub - sunweaver/nextcloud-high-performance-backend-setup 4
The German Wiki for the Script:
Have fun