error saying denied requested access to the resource is denied when trying to push an image to dockerhub

Question

I tried executing the following command and encountered an error

sudo docker push my-apache2
The push refers to a repository [docker.io/library/my-apache2]
9ca822a18384: Preparing
4913dadb8da4: Preparing
cb187a6f7133: Preparing
13197fce7b91: Preparing
94b0399694b0: Preparing
37c16229e40b: Waiting
83120c5c6d3b: Waiting
8c466bf4ca6f: Waiting
denied: requested access to the resource is denied

Answer 1

tag the image first and then push it

docker tag my-apache2 YOUR_DOCKERHUB_NAME/my-apache2

and then you should be able to push it.

docker push YOUR_DOCKERHUB_NAME/my-apache2