Describe the solution you'd like
For CI/CD purposes, it'd be really useful to be able to auth via environment variables that contains the Docker config data. Here is an example: https://docs.gitlab.com/ee/ci/docker/using_docker_images.html#determine-your-docker_auth_config-data

Something like that: