# Pre-req
# sudo adduser watchdog --home /opt/watchdog
# sudo mkdir -p /opt/watchdog/ /var/log/watchdog
# sudo chown -R watchdog:watchdog /opt/watchdog/ /var/log/watchdog

[Unit]
Description=Watchdog - Get notified when sites go down
Documentation=https://git.rootprojects.org/root/watchdog.go
After=network-online.target
Wants=network-online.target systemd-networkd-wait-online.service

[Service]
# Restart on crash (bad signal), but not on 'clean' failure (error exit code)
# Allow up to 3 restarts within 10 seconds
# (it's unlikely that a user or properly-running script will do this)
Restart=on-abnormal
StartLimitInterval=10
StartLimitBurst=3

# User and group the process will run as
User=root
Group=root

WorkingDirectory=/opt/watchdog
ExecStart=/opt/watchdog -c ./config.json
ExecReload=/bin/kill -USR1 $MAINPID

[Install]
WantedBy=multi-user.target