In this post: [Other serverfault post][1] [1]: https://serverfault.com/questions/1018676/how-to-configure-systemd-service-unit-to-start-node-app-with-npm-start-instead
I found that it's possible to add a node based service to the system without having to create an apt package. It would be nice if systemctl and journalctl -u worked with the new service.
I found this guide helpful: [Blog post][2] [2]: https://nodesource.com/blog/running-your-node-js-app-with-systemd-part-1/
In looking at how other services are implemented, it appears there are a few steps:
Install/create your node service file/s in a folder on the system
Create a file /lib/systemd/system/.service. Add the provper Environment lines, etc.
sudo systemctl daemon-reload
systemctl enable token-server (also creates the symlink to /etc/systemd/system/.service)