docker repository name component must match
So this regular expression: [a-z0-9]+(?:[._-][a-z0-9]+)* doesn't include any upper case letters. So you should change your image name to devopsclient
So this regular expression: [a-z0-9]+(?:[._-][a-z0-9]+)* doesn't include any upper case letters. So you should change your image name to devopsclient