text: #!/usr/bin/env python3.5
  import nuka
  from nuka.hosts import DockerContainer
  from nuka.hosts.base import Host
  from nuka.tasks import (shell, file)
  
  # setup a docker container using the default image
  host = DockerContainer('plop')
  # host = Host(hostname='192.168.122.45', user="core")
  
  
  async def do_something(host):
  
      # we just echoing something using the shell.command task
      await shell.command(['echo', 'it works'], host=host)
  
      # if no host is provided, then a var named `host` is searched
      # from the stack. Mean that this will works to
      await shell.command(['echo', 'it works too'])
  
  
  async def do_something_else(host):
  
      # log /etc/resolv.conf content
      res = await file.cat('/etc/resolv.conf')
      host.log.info(res.content)
  
  
  # those coroutines will run in parallell
  nuka.run(
      do_something(host),
      do_something_else(host),
  )