Most of the time I'm signed into my work Docker Hub account, and that's fine. Almost everything I build ends up there. Then one weekend I was playing around with openruntimes/orchestrator, an orchestration service for running containerized workloads with callbacks. I had a PR open with some small tweaks, and I wanted to publish release-candidate images so I could pull them down and actually test end-to-end.
I didn't want those RC images sitting in my work namespace. So for the first time, I actually needed to switch Docker Hub accounts on my machine, and there isn't a good way to do it. The official answer is docker logout, then docker login again. Docker does respect a DOCKER_CONFIG environment variable that points at a config directory, but you still have to set it yourself every time.
A few years ago I'd have spent the afternoon hunting for someone else's tool. In the age of AI, you can just build the one you wished existed. So I did.
The result is docker-use.
The idea
