Tag and push all local Docker images to a private registry

image2registry.sh

#!/bin/sh -e

# alias docker="docker.exe"

registry="registry.local:5000"

# list registry contents:
# curl -s "https://${registry}/v2/_catalog" | jq

for img in $(docker image ls | awk 'NR>1{ print $3; }')
do
	[ "${img}" = "" ] || [ "${img}" = "<none>" ] && continue
	
	fullname=$(docker image inspect --format='{{ index (.RepoTags) 0 | printf "%s" }}' ${img})

	if [ $(echo "${fullname}" | grep "${registry}") ]; then
		echo "${img} already tagged" && continue
	fi
	
	docker image tag ${fullname} ${registry}/${fullname}
	docker image push ${registry}/${fullname}
	docker image rm ${fullname}

done

exit 0