Tobias Jülg authored Nov 14, 2021 and Tobias Jülg committed Nov 14, 2021

* backup of media (/var/www/wiki)
 and database dump (/var/backup/wiki/dp_dump.sql) in /var/wiki_borg_repo
 * backup done before every update
 * dump created in .tmp and if succesful renamed to .sql
 * borg repo pruned after 2 months
 -> backup is just to undo unsucessful updates