Dockerfile

FROM python:3.7

RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
	PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app
COPY --chown=user . $HOME/app

RUN pip install --no-cache-dir --upgrade -r $HOME/app/requirements.txt

CMD ["flask", "run", "--host=0.0.0.0", "--port=7860"]