How to delete untagged images from AWS ECR Container Registry

Question

When pushing images to Amazon ECR, if the tag already exists within the repo the old image remains within the registry but goes in an untagged state.

So if i docker

Answer 1

I actually forged a one line solution using aws cli

aws ecr describe-repositories --output text | awk '{print $5}' | while read line; do  aws ecr list-images --repository-name $line --filter tagStatus=UNTAGGED --query 'imageIds[*]' --output text | while read imageId; do aws ecr batch-delete-image --repository-name $line --image-ids imageDigest=$imageId; done; done

What it's doing is:

• get all repositories
• for each repository give me all images with tagStatus=UNTAGGED
• for each image+repo issue a batch-delete-image