I'm searching for the best way to delete unused docker images in my cluster.
Because we're rebuilding images + pushing them to the registry.
When we perform
docker images -q |xargs docker rmi
We get:
REPOSITORY TAG IMAGE ID CREATED
VIRTUAL SIZE
<none> <none> 0fd6f6a7d8fb 6 days ago
660.1 MB
<none> <none> cdcb32f9b621 2 weeks ago
743.2 MB
<none> <none> 9df362e36242 2 weeks ago
794 MB
<none> <none> 67de4dbed60e 2 weeks ago
704 MB
<none> <none> 999e0047a070 2 weeks ago
543.6 MB
But oc get images gave us:
NAME
DOCKER REF
sha256:01af138b9733099404647a8d8f0a2a4b3f17c3428bd3adac84cbf952dd41ba2b
172.30.xx.xx:5000/dev-bluepond/dbm-bluepond@sha256:01af138b9733099404647a8d8f0a2a4b3f17c3428bd3adac84cbf952dd41ba2b
sha256:0404ab93a5a48fbf068c88c2f06a473db171be88ae16a493dcf8dc43d946a177
docker.io/openshift/origin-logging-kibana@sha256:0404ab93a5a48fbf068c88c2f06a473db171be88ae16a493dcf8dc43d946a177
sha256:060242e91078b3c1eed98451ca9d1b01435e82ad9c27fc9f5d2dde08e7911ca8
openshift/mysql-55-centos7@sha256:060242e91078b3c1eed98451ca9d1b01435e82ad9c27fc9f5d2dde08e7911ca8
sha256:07e86077bd1a9706c2869d7a85ea3c2d1c7eb2f95b141c4662b212827b2745f1
openshift/python-33-centos7@sha256:07e86077bd1a9706c2869d7a85ea3c2d1c7eb2f95b141c4662b212827b2745f1
...
Is this fine?
And what's the best way to delete old images out of the registry?
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