[Unit]
Description=Fusion Plating IoT — DS18B20 poller
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
ExecStart=/usr/bin/python3 /usr/local/bin/fp_iot_poller.py
Restart=on-failure
RestartSec=5
User=fp
Group=fp
# Poller only needs read access to /sys/bus/w1 + /etc/fp-iot; everything
# else locked down.
NoNewPrivileges=true
ProtectSystem=strict
ProtectHome=true
PrivateTmp=true
ReadOnlyPaths=/sys/bus/w1 /etc/fp-iot
# Journal-only logging — use `journalctl -u fp-iot-poller -f` to tail
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target