Cleaning up the untagged codeship cache images

cleanup.sh

#!/bin/bash

set -e

# Environment
REPOSITORY=$1

# Remove untagged images from the specified repository.
aws ecr list-images --repository-name $REPOSITORY --query 'imageIds[?type(imageTag)!=`string`].[imageDigest]' --output text \
  | while read line; do aws ecr batch-delete-image --repository-name $REPOSITORY --image-ids imageDigest=$line; done

codeship-services.yml

aws_deploy:
  image: codeship/aws-deployment
  ...(volumes for deploy scripts and my encrypted env)

codeship-steps.yml

- name: deploy
  ...(deploys the app to ECS)
- name: cleanup
  service: aws_deploy
  command: bash -c "./cleanup.sh my-repo-name"