FROM python:3.7-alpine

RUN apk add --no-cache --virtual .build-deps \
        git make gcc musl-dev \

    # Install deps
    && pip install snakeoil \

    # Clone catalyst repository
    && git clone https://anongit.gentoo.org/git/proj/catalyst.git catalyst \

    # Build and install catalyst
    && cd catalyst \
    && make \
    && python -m setup install \

    # Cleanup
    && apk del .build-deps

# Override Stage3 preclean to add perl-cleaner invocation
COPY stage3-preclean-chroot.sh \
    /usr/share/catalyst/targets/stage3/stage3-preclean-chroot.sh

# Volume for catalyst generated files
VOLUME /var/lib/catalyst

# Volume for downloaded distfiles
VOLUME /var/cache/portage/distfiles

# Volume for generated packages
VOLUME /var/cache/portage/packages

# The entrypoint…
COPY entrypoint.sh entrypoint.sh

# ... to be called
CMD /entrypoint.sh