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Image registries are services offering container images to download. They allow image creators and maintainers to store and distribute container images to public or private audiences. Podman searches for and downloads container images from public and private registries. Red Hat Container Catalog is the public image registry managed by Red Hat. It hosts a large set of container images, including those provided by major open source projects, such as Apache, MySQL, and Jenkins.

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Containers, images, and image registries need to be able to interact with each other. For example, you need to be able to build images and put them into image registries. You also need to be able to retrieve an image from the image registry and build a container from that image. Podman is an open source tool for managing containers and container images and interacting with
image registries.

Continue reading “Managing Containers with Podman”