from enum import Enum, auto


class DockerInstructionType(Enum):

    #   Special values
    UNPARSED = auto()
    UNKOWN = auto()
    EMPTY = auto()
    COMMENT = auto()

    #   Docker Instructions
    ADD = auto()
    ARG = auto()
    CMD = auto()
    COPY = auto()
    ENTRYPOINT = auto()
    ENV = auto()
    EXPOSE = auto()
    FROM = auto()
    HEALTHCHECK = auto()
    LABEL = auto()
    MAINTAINER = auto()
    ONBUILD = auto()
    RUN = auto()
    SHELL = auto()
    STOPSIGNAL = auto()
    USER = auto()
    VOLUME = auto()
    WORKDIR = auto()