Using SQL Server Management Studio to remote connect to docker container
connect via SSMS using the public IP address, followed by comma separator and then the port (xxx.xx.xx.xxx,port) You’ll also need the sa credentials to make this work.
digital-ocean
How to solve “sign_and_send_pubkey: signing failed: agent refused operation”?
Run ssh-add on the client machine, that will add the SSH key to the agent. Confirm with ssh-add -l (again on the client) that it was indeed added.