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What are images, image-streams and image-stream-tags in Openshift? How do they work togethor? |
References:
Definitions:
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Image stream: An OpenShift Container Platform object that contains pointers to any number of Docker-formatted container images identified by tags. You can think of an image stream as equivalent to a Docker repository.
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Image stream tag: A named pointer to an image in an image stream. An image stream tag is similar to a Docker image tag. See Image Stream Tag below.
ImageStreams and ImageStreamTags are pointers to the image stored in the image registry.
CLI Commands:
- oc get is
- oc describe is/{image-stream-name}
- oc get istag