What is the difference between rm and rmi in docker?

The difference between rm and rmi in docker: the rm command is used to delete one or more containers, and the rmi command is used to delete one or more mirrors; the syntax of the rm command is "docker rm [OPTIONS] CONTAINER [ CONTAINER...]", the syntax of the rmi command is "docker rmi [OPTIONS] IMAGE [IMAGE...]".

The operating environment of this tutorial: linux7.3 system, docker version 19.03, Dell G3 computer.

What is the difference between rm and rmi in docker

docker rm: Delete one or more containers.

Syntax

docker rm [OPTIONS] CONTAINER [CONTAINER...]

OPTIONS Description:

-f: Forcefully delete a running container through the SIGKILL signal.

-l : Remove network connections between containers, not the containers themselves.

-v : Delete the volume associated with the container.

The example is as follows:

Forcibly delete containers db01 and db02:

docker rm -f db01 db02

Remove the connection of container nginx01 to container db01, the connection name is db:

docker rm -l db

Delete the container nginx01, and delete the data volume mounted by the container:

docker rm -v nginx01

docker rmi: Delete one or more local mirrors.

Syntax

docker rmi [OPTIONS] IMAGE [IMAGE...]

OPTIONS description:

-f: force deletion;

--no-prune: do not remove the image Process image, removed by default;

Examples are as follows:

Forcibly delete the local image runoob/ubuntu:v4.

root@runoob:~# docker rmi -f runoob/ubuntu:v4
Untagged: runoob/ubuntu:v4
Deleted: sha256:1c06aa18edee44230f93a90a7d88139235de12cd4c089d41eed8419b503072be
Deleted: sha256:85feb446e89a28d58ee7d80ea5ce367eebb7cec70f0ec18aa4faa874cbd97c73

Recommended learning: "docker video tutorial"

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