Image Naming and Tagging

Learn to name and tag a Docker image.

Overview

Addressing images from official repositories is as simple as providing the repository name and the tag separated by a colon (:). The format for docker image pull when working with an image from an official repository is:

$ docker image pull <repository>:<tag>

In the Linux examples from earlier, we pulled an Alpine and a Redis image with the following two commands:

$ docker image pull alpine:latest and docker image pull redis:latest

These two commands pull the images tagged as “latest” from the top-level “alpine” and “redis” repositories.

The following examples show how to pull various different images from official repositories:

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