Working with the Docker registry
You can push and pull your Docker images using the GitHub Packages Docker registry, which uses the package namespace https://docker.pkg.github.com. GitHub Packages is available with GitHub Free, GitHub Pro, GitHub Free for organizations, GitHub Team, GitHub Enterprise Cloud, GitHub Enterprise Server, and GitHub AE.
https://docs.github.com/en/packages/working-with-a-github-packages-registry/working-with-the-docker-registry