Docker login

Internal

• Client Operations
• Docker Concepts - Registry Authentication

Overview

Used when pushing to Docker Hub.

docker login
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username: ...
Password: ...

Login into an Arbitrary Registry

docker login <registry-url>

Logging into an AWS ECR:

docker login -u AWS -p [...]  https://something.ecr.us-west-2.amazonaws.com

For more details see Amazon ECR - Configure Access.

TODO

• How can I tell if I am logged in?
• Where are the credential kept?
• For how long am I authenticated?
• What happens if it expires - any danger in using stale images instead of a clear error message? Research needed.