Dangling or Unused Images in Docker

List Images

docker images

Filter Images

Filtering the docker images before or after the image

docker images -f since=<IMAGEID> # Get images since
docker images -f before=<ImageID> # Get images Before
docker images -f before=<ImagesID> -f since=<ImageId> # Get bwteen

Note : Filter are exclusive, it excludes the selected images and shows after or befor ethe images.

Dangling images are layers that have no relationship to any tagged images. They no longer serve a purpose and consume disk space. They can be located by adding the filter flag, -f with a value of dangling=true to the docker images

List Dangling images

docker images -f dangling=true

Remove single image or multiple images

docker rmi <imgae1-id> <image2-id> .....

Remove

Dangling images

docker rmi $(docker images -f dangling=true -q)

Remove all images

docker rmi $(docker rmi -q)

xargswill need --no-run-if-empty (-r) to bypass executing docker rmi with no arguments

docker images --quiet --filter=dangling=true | xargs --no-run-if-empty docker rmi