> The relay isn’t open-source either and I’m not aware of any independent ones running; at minimum it would be very expensive to do so.<p><a href="https://github.com/bluesky-social/indigo/tree/main/cmd/bigsky">https://github.com/bluesky-social/indigo/tree/main/cmd/bigsk...</a><p>> These are some informal notes on setting up a full-network atproto Relay, using the bigsky relay software developed by Bluesky. This is the same software we run ourselves at <a href="https://bsky.network" rel="nofollow">https://bsky.network</a>.<p><a href="https://whtwnd.com/bnewbold.net/3kwzl7tye6u2y" rel="nofollow">https://whtwnd.com/bnewbold.net/3kwzl7tye6u2y</a><p>The post goes a bit into costs as well.