[Unit]
Description=CAN Bus Sniffer
# Ждем полной готовности сети (важно для PostgreSQL)
After=network-online.target can-setup.service
Wants=network-online.target can-setup.service

[Service]
Type=simple
User=root
WorkingDirectory=/opt/can_sniffer

Environment=PYTHONUNBUFFERED=1

# Запуск
ExecStart=/opt/can_sniffer/venv/bin/python /opt/can_sniffer/src/main.py

# Graceful shutdown
TimeoutStopSec=15
KillSignal=SIGTERM

# Рестарт при падении
Restart=on-failure
RestartSec=5
StartLimitIntervalSec=300
StartLimitBurst=5

# Логи
StandardOutput=journal
StandardError=journal
SyslogIdentifier=can-sniffer

[Install]
WantedBy=multi-user.target