Jenkins pipeline script for Docker cleanup (remove dangling images and exited containers) in a given build agent

docker-cleanup.groovy

node("${params.BUILD_AGENT}") {
    
    stage('Dangling Containers') {
      sh 'docker ps -q -f status=exited | xargs --no-run-if-empty docker rm'
    }

    stage('Dangling Images') {
      sh 'docker images -q -f dangling=true | xargs --no-run-if-empty docker rmi'
    }
    
    stage('Dangling Volumes') {
      sh 'docker volume ls -qf dangling=true | xargs -r docker volume rm'
    }
}

Why not just use docker system prune? https://docs.docker.com/engine/reference/commandline/system_prune/

Don't forget the --volumes flag, too: docker system prune -af --volumes (-af for good measure).

Sorry guys, this is a very old gist, I just copied a few snippets that I had without reading and published them here.. at the time I wrote this, system prune feature was not available and it's the best way now.