Dockerfile

# Hugging Face Spaces (Docker SDK) — serves the PWA on port 7860.
FROM python:3.11-slim

# A TrueType font so the build can render the social-share card (og-card.png).
RUN apt-get update \
    && apt-get install -y --no-install-recommends fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

# HF Spaces run as a non-root user with UID 1000.
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PORT=7860 \
    TZ=Europe/Paris \
    PYTHONUNBUFFERED=1

WORKDIR $HOME/app

COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

COPY --chown=user . .

EXPOSE 7860
CMD ["python", "app.py"]