Create the file superset.service at /lib/systemd/system/superset.service and insert the following. Note the user is sysadmin, the port is 8088 and superset is installed in the /opt/super python virtual environment
[Unit]
Description=Start Superset
[Service]
Type=simple
User=sysadmin
Group=sysadmin
Environment="FLASK_APP=superset"
ExecStart=/opt/super/bin/superset run -p 8088 --with-threads --reload --debugger --host 0.0.0.0
[Install]
WantedBy=multi-user.target
To start the service
systemctl daemon-reload
systemctl start superset