You need to tag your image correctly first with your registryhost
:
docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]
Then docker push using that same tag.
docker push NAME[:TAG]
Example:
docker tag 518a41981a6a myRegistry.com/myImage
docker push myRegistry.com/myImage
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…