[Unit] Description=Report boot completion for APT reboot tracking After=network-online.target Wants=network-online.target [Service] Type=oneshot ExecStart=/usr/local/sbin/apt_reboot_report.sh https://HOMEASSISTANT_HOST:8123/api/webhook/REPLACE_WITH_BOOT_WEBHOOK_ID docker_10 User=root Group=root [Install] WantedBy=multi-user.target