from enum import Enum class VolumeType(str, Enum): volume = "volume" bind = "bind" tmpfs = "tmpfs" class Volume: def __init__(self, source: str, target: str, type: VolumeType = VolumeType.volume): self._source = source self._target = target self._type = type @property def source(self): return self._source @property def target(self): return self._target @property def type(self): return self._type