Docker - How to cleanup (unused) resources

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The guide shows how to cleanup resources, that can be done once in a while.

Delete volumes

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// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)
$ docker volume ls -qf dangling=true | xargs -r docker volume rm

Delete networks

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$ docker network ls  
$ docker network ls | grep "bridge"   
$ docker network rm $(docker network ls | grep "bridge" | awk '/ / { print $1 }')

Remove docker images

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// see: http://stackoverflow.com/questions/32723111/how-to-remove-old-and-unused-docker-images

$ docker images
$ docker rmi $(docker images --filter "dangling=true" -q --no-trunc)

$ docker images | grep "none"
$ docker rmi $(docker images | grep "none" | awk '/ / { print $3 }')

Remove docker containers

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// see: http://stackoverflow.com/questions/32723111/how-to-remove-old-and-unused-docker-images

$ docker ps
$ docker ps -a
$ docker rm $(docker ps -qa --no-trunc --filter "status=exited")

Resize disk space for docker vm

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$ docker-machine create --driver virtualbox --virtualbox-disk-size "40000" default

Pruning the networks

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// See https://docs.docker.com/engine/reference/commandline/network_prune/:

$ docker network prune

Docker system prune

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// See https://docs.docker.com/engine/reference/commandline/system_prune/:

$ docker system prune