[docker-CLI] Re-tag and Re-push the images that used by running containers to your private image registry

tag-and-push-images.sh

#!/bin/bash

docker login -u <<registry login>> -p <<password>> <<user registry host>>

docker ps -a --format "{{.ID}} {{.Image}}" | grep <<your registry prefix>> | \
while read line
do
  ctrid=`echo $line | awk '{print $1}'`
  imgtag=`echo $line | awk '{print $2}'`
   
  imgdigest=`docker container inspect --format "{{.Config.Image}}" $ctrid`

  #echo "container id : $ctrid"
  #echo "image tag    : $imgtag"
  #echo "image digest : $imgdigest"
  
  docker image tag $imgdigest $imgtag
  docker image push $imgtag
done