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Saturday, February 20 • 3:30pm - 3:55pm
The ABC of Container-Image Management

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In early November 2020, Docker Hub initiated a rate limit. Since then, we can pull at most 200 images within 6 hours. While many CI/CD and even production systems around the globe went south, we could quickly establish a working solution without scanning hundreds of thousands of lines of code for images that may be pulled from docker.io and moving them somewhere else. All we had to do was to add a couple of lines to a config file. You want to know how? Continue reading!

The container tools Podman, Buildah, Skopeo and CRI-O are well known to the DevConf community but there are many lesser known golden nuggets for managing images that we want to share.

- How can we copy dozens, hundreds or thousands of images with a single command?
- How can we configure and use registry mirrors?
- How can we reference images by short names and yet be secure?
- How can we block registries entirely?

avatar for Valentin Rothberg

Valentin Rothberg

Principal Software Engineer, Red Hat
Valentin is a principal software engineer in Red Hat's container engines team. He helps build and maintain a number of core libraries and container tools such as Podman, Buildah, CRI-O and Skopeo.

Saturday February 20, 2021 3:30pm - 3:55pm CET
Session Room 5