TKay on Nostr: Are there any plug and play nostr relay servers software? I want to try and setup a ...

Are there any plug and play nostr relay servers software?
I want to try and setup a relay, I followed this guide but got stuck at the SSL certificate step. Components were not talking to each other.
https://andreneves.xyz/p/set-up-a-nostr-relay-server-in-under