If you need to remove any old and unused Docker images, then you can do the following:
How to Remove Old and Unused Docker Images
Firstly you need to see all the images:
docker images
You can also use ls to see the Docker Images:
docker image ls
How to Remove a Single Docker Image
The docker rmi command will remove a single Docker image as follows:
docker rmi <image_id>
You can also use the Docker image names as follows:
docker rmi ubuntu something
How to Remove Dangling Docker Images
docker images -f dangling=true
It’s also possible to prune images as follows:
docker image prune
You can also automatically find all the images and remove them directly:
docker rmi $(docker images -q -a)