'''
Mandatory environment variables
$REMOTE_SERVER
$REMOTE_SERVER_USER
$CONTAINER_NAME
'''

import docker
import os


client = docker.DockerClient('ssh://{user}@{host}'.format(user=os.getenv('REMOTE_SERVER_USER'), host=os.getenv('REMOTE_SERVER')))

old_container = client.containers.list(filters={'name': os.getenv('CONTAINER_NAME')})