Note: I am not the original author, just the submitter. He shared his work on /r/webdev (https://www.reddit.com/r/webdev/comments/mrylut/made_my_port...) and I just happened to find it very impressive. I messaged him to say I posted it here. There is also https://www.reddit.com/r/linux/comments/mrzayy/ubuntu_clone_... with a few more comments.