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dockerHow to find dependent child images in docker


PARENT=ba6acccedd29; docker inspect --format='"{{.Id}}" : "{{.Parent}}"' $(docker images --filter "since=$PARENT" --quiet)  | grep $PARENTctrl + c
PARENT=

declare PARENT variable

ba6acccedd29

id of the image to get child images for

docker inspect

gets detailed information about an image

--format

return formatted data

"{{.Id}}" : "{{.Parent}}"

we will see "child-id" : "parent-id" lines

docker images

list docker images

--filter

filter images list

since=$PARENT

show only those images which were created after parent image

grep $PARENT

finally, filter output to see only children of the specified parent