Phoenix apps tend to use Postgres, but not always. We've seen some really interesting use of Erlang's distributed mnesia database. There's even an mnesia Ecto a

Phoenix apps tend to use Postgres, but not always. We've seen some really interesting use of Erlang's distributed mnesia database. There's even an mnesia Ecto adapter: https://hexdocs.pm/ecto3_mnesia/Ecto.Adapters.Mnesia.html https://hexdocs.pm/ecto3_mnesia/Ecto.Adapters.Mnesia.html