docker helper alias

.bashrc

dockerCleanUp(){
	# remove exited containers:
	docker ps --filter status=dead --filter status=exited --filter status=created -aq | xargs -r docker rm -v

	# remove unused images:
	docker images --no-trunc | grep '<none>' | awk '{ print $3 }' | xargs -r docker rmi

	# remove unused volumes:
	docker volume ls -qf dangling=true | xargs -r docker volume rm
}
dockerShell(){
	docker exec -i -t $1 /bin/bash
}

gitCleanBranches(){
	git fetch -p
	if [ ! -z "`git branch -vv | awk '/: gone]/{print $1}'`" ];
	then
		git branch -vv | awk '/: gone]/{print $1}' | xargs git branch -d
	else
		echo "no branch to be cleaned"
	fi
}

resetCommit(){
	if [ -z $1 ];
	then
		echo "reset total histories required"
	else
		git reset --soft HEAD~$1
	fi

}

function use_nvidia(){
  __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia $@
}

alias docker-cleanup=dockerCleanUp
alias docker-shell=dockerShell
alias git-clean-branches="git fetch -p && git branch -vv | awk '/: gone]/{print $1}' | xargs git branch -d"
alias git-clean-branches=gitCleanBranches
alias git-reset-commit=resetCommit
alias node-update="nvm install node --reinstall-packages-from=node && nvm alias default node"

if you are using dotfile, put content to ~/.extra.
otherwise, put in ~/.bashrc

usage

# to clean up
docker-cleanup

# to log into a docker container

docker-shell your_container_name