Can't delete Docker Image from Registry

Question

Hi I want to delete a docker image from my private registry the steps that I did was:

I already did what the solution of How can I use the Docker Registry API V2 to

Answer 1

In all likelihood, it means, that you have deleted the manifest, and this is right first step. To delete actual data from disk, you need to run docker registry garbage collector on registry host machine.

docker exec -it registry bin/registry garbage-collect /etc/docker/registry/config.yml

The info is from that comment

Also, as some adv, I want to propose you to check my docker registry web UI =) There is the possibility to delete an images from registry right with that UI.