#
# https://medium.com/@greut/building-a-python-package-a-docker-image-using-pipenv-233d8793b6cc
# https://github.com/greut/pipenv-to-wheel
#
FROM kennethreitz/pipenv as pipenv

ADD . /app
WORKDIR /app

RUN pipenv install --dev \
 && pipenv lock -r > requirements.txt \
 && pipenv run python setup.py bdist_wheel

# ----------------------------------------------------------------------------
FROM ubuntu:bionic

ARG DEBIAN_FRONTEND=noninteractive

COPY --from=pipenv /app/dist/*.whl .

RUN set -xe \
 && apt-get update -q \
 && apt-get install -y -q \
        python3-minimal \
        python3-wheel \
        python3-pip \
        gunicorn3 \
        postgresql-client \
 && python3 -m pip install *.whl \
 && apt-get remove -y python3-pip python3-wheel \
 && apt-get autoremove -y \
 && apt-get clean -y \
 && rm -f *.whl \
 && rm -rf /root/.cache \
 && rm -rf /var/lib/apt/lists/* \
 && mkdir -p /app \
 && useradd _gunicorn --no-create-home --user-group

USER _gunicorn

COPY ./static /app/static
COPY ./docker_run.sh /app/
COPY ./wait-for-it.sh /app/
WORKDIR /app

CMD ["gunicorn3", \
     "--bind", "0.0.0.0:8000", \
     "pb:app"]