I wrote this guide for nostr-rs-relay in 2023 but it's still basically the same. These days my public relay is strfry thou.

nostr:naddr1qvzqqqr4gupzqz44pvvcsf85akvx7n6f0asknuxeqvfzhj4pf093rnkd8wfz2g4uqys8wumn8ghj76rpwejkutnnw4cx2unxwf5k2mnywvhx7mnvd9hx2tcppemhxue69uhkummn9ekx7mp0qq84yatwt9hh2uj0wah9yetvv9use9wmre