Really, this is just a simple Hello World app with CORS enabled. But the app serves it very limited purpose perfectly fine.
Run npm install
Run npm run watch for instantaneous reloads.
Execute npm start
Adapt the template file simplest-node-health-indicator.service and store it in the right location:
sudo nano /etc/systemd/system/simplest-node-health-indicator.service
#enter systemd file content
sudo systemctl --system daemon-reload
sudo systemctl enable simplest-node-health-indicator
sudo systemctl start simplest-node-health-indicator
sudo systemctl status simplest-node-health-indicatorHint, make sure that the port
3005is enabled in your firewall configuration.