FROM python:3.7-alpine

RUN apk add --no-cache --virtual .build-deps \
        git make gcc musl-dev asciidoc \
    \
    # Install deps
    && pip install snakeoil \
    && pip install git+https://github.com/dol-sen/pyDeComp \
    \
    # 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
    && cd .. \
    && rm -Rf catalyst \
    && apk del .build-deps

RUN apk add coreutils rhash

# 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