volume ls -q -f docker dangling=true yields volume names: not associated with any containers, and docker volume rm deletes them. To learn more about the flags, use docker volume rm —help and docker volume ls —help.

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Conclusion

To conclude the docker delete dangling volumes is an easy-to-do process that will only take a few simple steps to complete. This nature of Docker gives the users more accessibility to container and volume management. 

Let us take a closer look at how to docker delete dangling volumes and manage them. At Bobcares with the assistance of Docker hosting support we can give you a detailed step-by-step guide on the process.   

Docker Volume

The Volume acts as an efficient file system set up on the Docker containers. It allows saving container data while executing it. The volumes are kept on the host, regardless of the life cycle of the container. This enables users to effortlessly backup data and exchange file systems between containers. Docker provides the option to delete the volume data as they may not terminate when deleting a container.

Delete dangling volumes – Docker 1.9 and later

 The purpose of volumes is for them to exist independently of containers, after removing a container, a volume won’t destroy immediately. A hanging volume is one that exists without attaching itself to any containers. We may use the docker volume ls command with a filter to restrict the results to dangling volumes to find them and validate that we want to delete them. When we are pleased with the list, we can use docker volume prune to delete them all:   

List:

docker volume ls -f dangling=true

Remove:

docker volume prune

When utilizing data volume containers, we must delete the container with the -v parameter using docker rm -v. If we don’t use the -v flag, the volume will automatically become a dangling volume on the local disk. 

Use the following command to remove all dangling volumes:
docker volume rm `docker volume ls -q -f dangling=true`

volume ls -q -f docker dangling=true yields volume names: not associated with any containers, and docker volume rm deletes them. To learn more about the flags, use docker volume rm —help and docker volume ls —help.

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Conclusion

To conclude the docker delete dangling volumes is an easy-to-do process that will only take a few simple steps to complete. This nature of Docker gives the users more accessibility to container and volume management.