adding node server.js to systemd service

how to add a service using ubuntu server built in systemd service

sudo nano /etc/systemd/system/backend-gls-exchange.service

[Unit]
Description=backend.gls-exchange.com server.js as Service
After=network.target

[Service]
Type=simple
User=web8
Group=client3
WorkingDirectory=/var/www/backend.gls-exchange.com/web/
ExecStart=/usr/bin/node server.js
Restart=on-failure

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-reload

systemctl enable backend-gls-exchange.service

sudo systemctl start backend-gls-exchange.service

sudo systemctl stop backend-gls-exchange.service

sudo systemctl restart backend-gls-exchange.service

sudo systemctl status backend-gls-exchange.service

journalctl -u backend-gls-exchange.service

journalctl -u backend-gls-exchange.service -f