Install Node.js

Install NGINX, proxy, cert and node.js https://dev.to/talibackend/deploying-and-securing-your-nodejs-app-on-a-digitalocean-droplet-a-comprehensive-step-by-step-deployment-guide-with-ssl-1bhn

Secure SSH

How to login with certificate and disable login https://www.digitalocean.com/community/tutorials/how-to-set-up-ssh-keys-2

Droplet to Docker Image

https://chatgpt.com/share/36ca5ff6-8e6a-4765-a5d4-6a7335137731

Start JBoss on ubuntu Droplet

https://chatgpt.com/share/1433720a-0ae6-400b-ae90-c7b4ce05efd0