You don't have to buy a start9 you can run it for free which is super simple.. And then it is a few clicks.
Do you think someone can run a nostr relay without a computer or operating system 🤣?
Discussion
Useful link for those interested: https://community.start9.com/t/installing-start9-on-a-vps/488
if you don't know what a VPS or docker is and you just want to run it on a cheap old computer you own..