Uploading your own image is denied denied:requested access to the resource is denied

Docker push own image file times wrong:

allen@ubuntu:/var$ sudo docker push allen-tomcat-app the
push refers to a repository [docker.io/library/ Allen-tomcat-app]
fee32021a7ec:retrying in 1 second 
5722c4c406c8:preparing 
66382c28cb47:preparing 
839d4870245c:preparing 
cf516324493c:preparing 
denied:requested access to the resource is denied

Reported denied:requested access to the resource is denied exception, meaning no permissions

Need to change name with Docker tag

Docker tag Allen-tomcat-app mydockerapp/allen-tomcat-app:latest

Re-upload:

sudo docker tag Allen-tomcat-app mydockerapp/allen-tomcat-app:latest

Cause Analysis:

The above information is denied access, because tag's name slash front section allen-tomcat-app is not my user name, the following changes it to mydockerapp/xxxxx on push success. It is important to note that Mydockerapp is my Docker user name. Go to the Docker hub website and discover a more public repository.

Page Open: Https://www.docker.com/mydockerapp

You can see the uploaded image file.