'Pauses all processes within a container.
Args:
container (str): The container to pause
Raises:
:py:class:`docker.errors.APIError`
If the server returns an error.'

@utils.check_resource('container')
def pause(self, container):

    url = self._url('/containers/{0}/pause', container)
    res = self._post(url)
    self._raise_for_status(res)
