Trying to setup ARM DVD Ripper

Hey

My name is Chris 
I’m trying to setup arm dvd ripper and makemkv and handbrake on Ubuntu Linux os 
I got Ducker installed 

I can see docker-setup.sh

I’m a node user so if you can please write out the instructions 
In plain English 
I have four usb dvd disks drive that I want to use to backup tvshows and movies