Dockerfile

FROM python:3.10-slim

WORKDIR /app

RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
ENV PYTHONUNBUFFERED=1

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 . .

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