move-docker-images.sh

#!/bin/env bash

while read image; do

  original_image="old.repo.domain/${image}"
  target_image="new.repo.domain/${image}"
  
  # download all tags images
  docker pull $original_image --all-tags

  # get all images with format output to be: 
  #   docker tag ORIGINAL_IMAGE_NAME:VERSION TARGET_IMAGE_NAME:VERSION | docker push TARGET_IMAGE_NAME:VERSION
  # and execute those as commands
  docker images $original_image \
    --format "docker tag {{.Repository}}:{{.Tag}} $target_image:{{.Tag}} | docker push $target_image:{{.Tag}}" | 
    bash

  # remove local images
  docker images | grep "${original_image}" | tr -s ' ' | cut -d ' ' -f 2 | xargs -I {} docker rmi ${original_image}:{}
  docker images | grep "${target_image}" | tr -s ' ' | cut -d ' ' -f 2 | xargs -I {} docker rmi ${target_image}:{}

done <docker-images.txt


# with docker-images.txt containing one image per lin