---
features:
  - |
    The ``server create --block-device-mapping`` option now supports
    an ``image`` type in addition to ``volume`` and ``snapshot``. When
    specifying an image block device the compute service will create a volume
    from the image of the specified size and attach it to the server.
    [Story `2006302 <https://storyboard.openstack.org/#!/story/2006302>`_]