FROM python:3.8-alpine as build

RUN apk add gettext git gcc python3-dev musl-dev \
    libffi-dev zlib-dev jpeg-dev libjpeg postgresql-dev build-base \
    --virtual .build-dependencies

RUN mkdir -p /app/{code,venv}
WORKDIR /app/code
COPY Pipfile Pipfile.lock /app/code/

RUN python3 -m venv /app/venv
RUN pip install pipenv setuptools
ENV PATH="/app/venv/bin:$PATH" VIRTUAL_ENV="/app/venv"
RUN pip install wheel cppy
# Install dependencies into the virtual environment with Pipenv
RUN pipenv install --deploy --verbose

FROM python:3.8-alpine

RUN apk add --no-cache libpq libstdc++ libjpeg

COPY . /app/code/
WORKDIR /app/code

COPY --from=build /app/venv /app/venv
ENV PATH="/app/venv/bin:$PATH" VIRTUAL_ENV="/app/venv"

CMD ["gunicorn", "--bind", "0.0.0.0:5000", "-k", "gevent", "--worker-connections", "1000", "app:app"]

VOLUME /app/code

EXPOSE 5000