Docker Registries:

Docker images are retrived from registries and pushed through registries. Registries are pieces of software to manage and distribute images.

Docker ( company ) offers these for free, and you can run your own as well.

Docker Images:

Docker images used to list out all the images which already downloaded in system.

docker images

Tagging gives images names.

docker commit gives image name for you.

docker commit container-ID docker-name

or

docker commit container-ID docker-name:tag

download images using docker pull or docker run will pull images for you.

docker pull image-name

( or )

docker run -ti image-name bash

Remove Images from the your list

docker rmi image-name

( or )

docker rmi image-name:tag

Search Docker Images:

docker search {keyword} ( Ubuntu )

Note: Stars, Official will help you to identify the most popular images.

OFFICIAL – Docker organization officially verified.

STARS – Customers used.

If you look at web based approach,

https://hub.docker.com

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