[Unit]
Description=OPNsense watcher daemon
After=network.target

[Service]
User=flask
Environment="OPN_URL=https://10.0.0.1
Environment="OPN_KEY=[your OPNsense key]"
Environment="OPN_SECRET=[your OPNsense secret]"
ExecStart=/opt/venvs/icinga2/icinga2_checks/bin/python3 /opt/venvs/icinga2/icinga2_checks/opnsense_traffic_watcher.py --daemon
Restart=always

[Install]
WantedBy=multi-user.target