These requirements will be installed for you with The Ninja Way. The Ninja Way is the recommended way to install. It will allow ease in updating as well as changes to the code.
Node.js (12.x), FFmpeg (Between 3.3 to 4.1), and MariaDB (10.4+) are the main components that Shinobi needs. With the Ninja Way these requirements should be fulfilled for you.
It is recommended you install Ubuntu 22.04 on a dedicated machine rather than on Docker or a VM.
Note : You can find an old laptop or home computer to use as your server as well as rackable systems.