[Unit] Description=Mail Panel Quart App After=network.target StartLimitIntervalSec=30 StartLimitBurst=5 [Service] Type=simple WorkingDirectory=/opt/mailpanel ExecStart=/opt/mailpanel/venv/bin/hypercorn app:app -b 127.0.0.1:5000 Environment=PYTHONPATH=/opt/mailpanel Restart=always RestartSec=3 [Install] WantedBy=multi-user.target