Docker - Tag (Tag, push, and pull your image)

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A tag is a string that identifies an image variant with

  • a release version (1.0, 1.1)
  • and/or other component (ie jdk11, jdk15, …)


In the case of the ubuntu image, there is multiple variants covering Ubuntu 10.04, 12.04, 12.10, 13.04, 13.10 and 14.04. Each variant is identified by a tag and you can refer to a tagged image like so:



  • Tag

Docker Tag Syntax

  • Login to your repository (by default the docker hub)
docker login
  • Push
docker push



docker images command to see the image id and the newly tagged image.

Documentation / Reference

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