mastodon.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
The original server operated by the Mastodon gGmbH non-profit

Administered by:

Server stats:

354K
active users

What version of docker/docker compose are you running? You can find this by running docker version and docker compose version

From their documentation, you need 1.24.0 or greater.

join-lemmy.orgInstall with Docker