[Unit]
Description=Nightly container image updates at midnight
Documentation=https://git.gbrown.org/gib/Panama

[Timer]
# Midnight local time.
OnCalendar=*-*-* 00:00:00
# If the machine was off at midnight, run once after it comes back rather than
# skipping the day entirely.
Persistent=true
# Avoid every timer on the box firing at the same instant.
RandomizedDelaySec=300

[Install]
# User timers need linger, which setup-server enables.
WantedBy=timers.target