# copy file from container to host:
> docker cp [CONTAINER_ID]:[SOURCE_PATH] [DESTINATION_PATH]
docker cp ai-petals-bootstrap-1:/bootstrap1.id  /home/azureuser/containers/petals-dht/bootstrap1.id


## backup container: 
docker commit <container_id_or_name> <backup_image_name>
docker save -o <path/to/save/image.tar> <backup_image_name>


docker commit gw02webserver-2fauth-1 2fauth
docker save -o <path/to/save/image.tar> 2fauth

# restore
docker load -i <path/to/save/image.tar>
docker run -d --name <new_container_name> <backup_image_name>


# cleanup 
Remove all unused images/volumes:
docker image prune -a
docker volume prune
# containers, networks, images, and volumes
docker system prune -a --volumes