We have published a few articles (HowTos)worth reading recently:
Mounting directories/shares in the EGroupware file manager
EGw addresses => Fritz!Box address book
Restricting setup to (local/secure) addresses
Manual (container) update/rollback in a Docker installation
Installing a patch from GitHub
It is also worth taking a look at the category EGroupware-FAQ.
For questions, suggestions, etc. please create a separate topic in the forum and refer to this article (link).
Your EGroupware Team