[Unit]
Description=mc4 server
After=network.target

[Service]
type=simple
User=your_username_here
Group=your_username_here
WorkingDirectory=/path/to/wherever
ExecStart=/path/to/wherever/mc4-server --config-file /path/to/wherever/config.ini
Restart=on-failure

[Install]
WantedBy=multi-user.target