How to check how much disk space Docker has occupied on the server?

To see how much disk space Docker is using on the server, you can use the command:

docker system df

It will show the total size of images, containers, volumes, and cache.

For more detailed information:

• docker images — shows the size of each image.
• docker ps -s — shows the size of each running container.

To clean up unused data, you can use:

docker system prune

This will help free up space by removing unused images, containers, and volumes.