运行时报错。。求解。

[theoneLee]

`
ubuntu@VM-56-68-ubuntu:~/mysql$ sudo docker build -t mysql:latest .

Sending build context to Docker daemon 117.2 kB

Sending build context to Docker daemon

Step 0 : FROM sshd

Pulling repository sshd

INFO[0014] Error: image library/sshd:latest not found

`