[Unit]
Description=System2MQTT - System Metrics to Home Assistant via MQTT
After=network-online.target mosquitto.service
Wants=network-online.target

[Service]
Type=simple
User=system2mqtt
Group=system2mqtt
SupplementaryGroups=adm systemd-journal
WorkingDirectory=/opt/system2mqtt
ExecStart=/opt/system2mqtt/run.sh
Restart=always
RestartSec=10
StandardOutput=journal
StandardError=journal

# Environment can be overridden via drop-in or .env file
EnvironmentFile=-/opt/system2mqtt/.env

# Security hardening
PrivateTmp=yes
NoNewPrivileges=yes

[Install]
WantedBy=multi-user.target