FROM python:3.8-alpine as base

ENV PYROOT /pyroot
ENV PYTHONUSERBASE $PYROOT


FROM base as builder

RUN apk add --no-cache \
    gcc \
    g++ \
    musl-dev \
    python3-dev && \
    pip3 install pipenv

COPY Pipfile* ./

RUN PIP_USER=1 PIP_IGNORE_INSTALLED=1 pipenv install --system --deploy --ignore-pipfile
RUN pip3 uninstall --yes pipenv


FROM base

# Install six explicitly. Otherwise Python complains about it missing.
RUN pip3 install six

COPY --from=builder $PYROOT/bin/ $PYROOT/bin/
COPY --from=builder $PYROOT/lib/ $PYROOT/lib/

WORKDIR /app

COPY . .

CMD ["python3", "run_prod.py"]