Connected Postgres DB Throws Domain not found error

Phoenix
19

I have the same problem. No matter what I do… it just cant connect to the database.

[error] Postgrex.Protocol (#PID<0.137.0>) failed to connect: ** (DBConnection.ConnectionError) tcp connect (top2.nearest.of.my-pleroma-app-db.internal:5432): non-existing domain - :nxdomain