What does docker pull mean?

docker pull is a command used to pull or update the specified image from the image warehouse. Its usage syntax is "docker pull [OPTIONS] NAME[:TAG|@DIGEST]".

The operating environment of this article: centOS6.8 system, Docker version 18.09.x, Dell G3 computer.

What does docker pull mean?

docker pull: pull or update the specified image from the mirror warehouse

Syntax

docker pull [OPTIONS] NAME[:TAG|@DIGEST]

OPTIONS description:

-a: Pull all tagged images

--disable-content-trust: Ignore the verification of the image, enabled by default

Example

Download the latest version of java image from Docker Hub.

docker pull java

Download all images whose REPOSITORY is java from Docker Hub.

docker pull -a java

[Recommended learning: "docker video tutorial"]

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