FROM python:3.9-slim as builder

WORKDIR /app

RUN apt-get update -y && apt-get install -y --no-install-recommends gcc
COPY requirements.txt .
RUN pip3 wheel --no-cache-dir --no-deps --wheel-dir /app/wheels -r requirements.txt


FROM python:3.9-slim
ARG VERSION
ENV VERSION $VERSION
ARG BUILD_TIMESTAMP
ENV BUILD_TIMESTAMP $BUILD_TIMESTAMP

MAINTAINER Paul Warren <pwarren@pwarren.id.au>
WORKDIR /app
COPY --from=builder /app/wheels /wheels
COPY --from=builder /app/requirements.txt /
RUN pip install --no-cache /wheels/*
ADD . /app
ENTRYPOINT ["./gunicorn_start.sh"]