[Unit]
Description=Run restic backup daily at 02:00

[Timer]
# Run every day at 05:00
OnCalendar=*-*-* 05:00:00
# If the server was off at 05:00, run as soon as it's back up
Persistent=true
# Random delay up to 10 min to avoid exact-time load spikes
RandomizedDelaySec=600

[Install]
WantedBy=timers.target