docker tag : Mark the local image and put it in a repository. Mark the mirror ubuntu:15.10 as a runoob/ubuntu:v3 mirror. 2.55.1. Grammar ¶
docker tag [OPTIONS] IMAGE[:TAG] [REGISTRYHOST/][USERNAME/]NAME[:TAG]
2.55.2. Example ¶
root@runoob:~# docker tag ubuntu:15.10 runoob/ubuntu:v3
root@runoob:~# docker images runoob/ubuntu:v3
REPOSITORY TAG IMAGE ID CREATED SIZE
runoob/ubuntu v3 4e3b13c8a266 3 months ago 136.3 MB