while [ "$(aws ecr list-images --region $AWS_REGION --repository-name $REPO_NAME --query imageIds[0].imageDigest --output text)" != 'None' ]; do aws ecr batch-delete-image --region $AWS_REGION --repository-name $REPO_NAME --image-ids imageDigest=$(aws ecr list-images --region $AWS_REGION --repository-name $REPO_NAME --query imageIds[0].imageDigest --output text); done