How can several tags be attached to one Docker image? Is it possible to create multiple tags using one Dockerfile?
It is possible, somehow; for example docker pull ubuntu will get several images, some of which have multiple tags:
ubuntu 13.10 9f676bd305a4 2 weeks ago 182.1 MB
ubuntu saucy 9f676bd305a4 2 weeks ago 182.1 MB
ubuntu raring eb601b8965b8 2 weeks ago 170.2 MB
ubuntu 13.04 eb601b8965b8 2 weeks ago 170.2 MB
ubuntu 12.10 5ac751e8d623 2 weeks ago 161.4 MB
ubuntu quantal 5ac751e8d623 2 weeks ago 161.4 MB
ubuntu 10.04 9cc9ea5ea540 2 weeks ago 183 MB
ubuntu lucid 9cc9ea5ea540 2 weeks ago 183 MB
ubuntu 12.04 9cd978db300e 2 weeks ago 204.7 MB
ubuntu latest 9cd978db300e 2 weeks ago 204.7 MB
ubuntu precise 9cd978db300e 2 weeks ago 204.7 MB