Docker Registry v2 API list images and tags

registry-images.sh

# Assumes htpass authentication

registry_server='docker.mycloud.com'
username='bob'

# List all images (i.e. repositories)
curl -k -X GET "https://$registry_server/v2/_catalog" -u $username -H "Accept: application/json"
Enter host password for user 'bob':
{"repositories":["app-base","ubuntu","cache-base"]}
 
# Get all tags (versions) for a given image
image='app-base'
curl -k -X GET "https://$registry_server/v2/$image/tags/list" -u $username -H "Accept: application/json"
Enter host password for user 'bob':
{"name":"app-base","tags":["v3","latest","v4","v1","v2","v5"]}