[Ruby on Rails or Rails](https://rubyonrails.org/) is an open-source web framework written in [Ruby](https://www.ruby-lang.org/en/). It enables developers to efficiently build server-side rendered web applications through a model-view-controller code structure. * Deploy a new [Ubuntu 20.04 Vultr cloud server](https://www.vultr.com/servers/ubuntu). * Set up a non-root user with sudo privileges. * Verify that your [server is up to date](https://docs.vultr.com/how-to-update-a-vultr-cloud-server#how......