How to use Sftp from Docker atmoz/sftp?

Question

Amazon Web Services

Link to the image
https://hub.docker.com/r/atmoz/sftp/
Installed sftp
on it But things don't go any further.
Create a user like created, but not sure. From
Failzila I try to connect but in response: Error :
Disconnected: No supported authentication methods available (server sent: publickey) .

Answer 1

The essence of the docker is that there should not be any sftp or ssh or ftp, all this is from the evil one.