Docker common operation mirror commands

Docker use tutorial related series catalog

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table of Contents

Find the mirror

List mirrors

View mirror details

​Download mirror

Delete mirror

Save image

Load image (load image in offline environment)

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Find the mirror

docker search tomcat

NAME: Mirror name

DESCRIPTION: Mirror description

STARS: User evaluation, the higher the value, the more popular

OFFICIAL: Is it official

AUTOMATED: Automatically build, which means that the image was created by the docker hub automatic build process;

List mirrors

docker images 
docker image ls

View mirror details

docker image inspect image name

docker image inspect centos

Download mirror

docker pull image name: version number

Do not write the version number, get the latest image by default

docker pull nginx:1.18.0

 How to query the version of the image provided by the third party:

https://hub.docker.com/search?q=nginx&type=image

Delete mirror

docker image rm image name: version number

docker image rm nginx:1.18.0

If the version number is not added, delete the latest version

 

Remove unused images

docker image prune

After removing, it will prompt how much space to free up

 

Save image

docker image save nginx >nginx.tar

This image package can be provided to friends

Load image (load image in offline environment)

Get the image package from a friend and put it on the docker server

For local demonstration, delete the local nginx mirror first, and then load the friend’s mirror

docker image load < nginx.tar