docker-up prune

docker-up-prune.psuedo

swarm = DockerSwarm.new()
service = Service.new(config.json)

Prune(images? = false, containers? = false, machines? = false)
  if images? 
    images = getServiceImages(service)

    for image in images
    
      // Check if image is dangling (old version + not used), then destroy
      unless isDangling(image)
        image.destroy()

  if containers?
    containers = getServiceContainers(service)
    
    for container in containers
    
      // Check if container is stopped or orphaned, then destroy
      unless isStopped(container) or isOrphaned(container)
        container.destroy()
        
   if machines?
   
   ...
 

PruneServices()
  services = swarm.getServices()

  for service in services
  
    // I assume this would include some business rules, like "is this service for a customer in good standing", as well as 
    // ops checks like "is this service orphaned for some reason"
    unless isNeeded(service) 
      service.backupSSB()
      service.destroy()