How to remove all unused docker images
Use
docker image prune -f
to remove all unused/old (“dangling”) docker images. -f will skip the confirmation prompt.
This command will remove all images that a) don’t have a tag themselves and b) no image with a tag depends on the image.
Example output:
Deleted Images:
deleted: sha256:b6e0e69c6ba1e811063921d18b52627a9fb905e0bdfd80e226e86958831df636
[...]
deleted: sha256:6a40d04ddf00ad0f1806df7b2d4a2d44a6d8031cab5c369a4bf3d1694d5c48b4
Total reclaimed space: 985.3MB