127 part2 dockerlogin

The are multiple issue detailed in issue #127 (closed) . This is a solution the second issue, "Error saving credentials: rename /root/.docker/config.json2274692847 /root/.docker/config.json: device or resource bus "

About the solution:

• https://docs.gitlab.com/ee/ci/docker/using_docker_images.html#determine-your-docker_auth_config-data:\~:text=Use%20statically%2Ddefined,CD%20variable
• https://docs.gitlab.com/ee/ci/docker/authenticate_registry.html#:\~:text=%22config.json%22-,Option%203%3A%20Use%20DOCKER_AUTH_CONFIG,-If%20you%20already