# Python build stage
FROM python:3.8-slim-buster as python-build-stage
ENV PYTHONDONTWRITEBYTECODE 1

RUN apt-get update && apt-get install --no-install-recommends -y \
  # dependencies for building Python packages
  build-essential \
  # psycopg2 dependencies
  libpq-dev \
  # cleaning up unused files
  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
  && rm -rf /var/lib/apt/lists/*


# Requirements are installed here to ensure they will be cached.
COPY ./requirements /requirements

# create python dependency wheels
RUN pip wheel --no-cache-dir --no-deps --wheel-dir /usr/src/app/wheels  \
  -r /requirements/local.txt \
  && rm -rf /requirements


# Python 'run' stage
FROM python:3.8-slim-buster as python-run-stage

ENV PYTHONUNBUFFERED 1
ENV PYTHONDONTWRITEBYTECODE 1

COPY ./compose/production/django/entrypoint /entrypoint
RUN sed -i 's/\r$//g' /entrypoint
RUN chmod +x /entrypoint

COPY ./compose/local/django/start /start
RUN sed -i 's/\r$//g' /start
RUN chmod +x /start

{% if cookiecutter.use_celery == "y" %}
COPY ./compose/local/django/celery/worker/start /start-celeryworker
RUN sed -i 's/\r$//g' /start-celeryworker
RUN chmod +x /start-celeryworker

COPY ./compose/local/django/celery/beat/start /start-celerybeat
RUN sed -i 's/\r$//g' /start-celerybeat
RUN chmod +x /start-celerybeat

COPY ./compose/local/django/celery/flower/start /start-flower
RUN sed -i 's/\r$//g' /start-flower
RUN chmod +x /start-flower
{% endif %}


# installing required system dependencies
RUN apt-get update && apt-get install --no-install-recommends -y \
  # psycopg2 dependencies
  libpq-dev \
  # Translations dependencies
  gettext \
  # cleaning up unused files
  && apt-get purge -y --auto-remove -o APT::AutoRemove::RecommendsImportant=false \
  && rm -rf /var/lib/apt/lists/*


# copy python dependency wheels from python-build-stage
COPY --from=python-build-stage /usr/src/app/wheels  /wheels

# use wheels to install python dependencies
RUN pip install --no-cache /wheels/* \
  && rm -rf /wheels


WORKDIR /app

ENTRYPOINT ["/entrypoint"]