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Docker resource cleanup strategy

A Docker resource cleanup strategy involves using specific CLI commands to systematically remove unused or stopped objects from the Docker environment to free up system resources and maintain hygiene.

Container removal

To remove all containers, including those that are currently running or stopped, the force removal flag is combined with a query that lists all container IDs.^[400-devops-03-containerization-readme.md]

docker rm -f $(docker ps -a -q)

Image removal

Similarly, all Docker images stored locally can be deleted in a single operation by executing the removal command on the list of all image IDs.^[400-devops-03-containerization-readme.md]

docker rmi -f $(docker images -q)

Volume cleanup

Unused volumes take up disk space and can be removed using the prune command specifically targeting volumes^[400-devops-03-containerization-readme.md].

docker volume prune

Network cleanup

To remove unused networks, the network-specific prune command is used^[400-devops-03-containerization-readme.md].

docker network prune

Sources

^[400-devops-03-containerization-readme.md]