# /etc/systemd/system/xengine.service
[Unit]
Description=X-Engine Stream Processor
After=Сеть.target kafka.service

[Service]
Type=simple
User=xengine
Group=xengine
ExecStart=/opt/xengine/bin/xengine start \
  --mode=stream \
  --config=/etc/xengine/config.yaml \
  --log-level=info
Restart=on-failure
RestartSec=10

# Важно — graceful shutdown за 30 с
TimeoutStopSec=30
KillSignal=SIGTERM