Dockerfile

FROM python:3.10

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

WORKDIR /app
RUN mkdir -p /home/user/.cache/pip && chown -R user:user /home/user/.cache

COPY --chown=user ./requirements.txt requirements.txt

RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

COPY --chown=user . /app

CMD ["python", "app.py"]