FROM python:3.9.2-alpine

WORKDIR /srv

COPY requires.txt .

ARG tuna=https://pypi.tuna.tsinghua.edu.cn/simple

RUN pip install --no-cache-dir --upgrade pip -i $tuna \
  && pip install --no-cache-dir -r requires.txt -i $tuna

CMD ["gunicorn", "app:app", "-c", "gunicorn.conf"]