In terms of hosting a site built with node.js server modal, what are the requirements for the server? Like you need php installed for the php hosting for instance…
You have many possibilities for hosting NodeJS sites.
All modern hosting panels already support it:
If you run your own servers like in with Digital Ocean, you can easy setup nodejs:
And if you run Docker on your hosting it will be even easier as you will be able to deploy it straight from Wappler!
Here is the 18.04 tutorial for Node.js & Ubuntu: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application-for-production-on-ubuntu-18-04