FROM python:3.10-slim

WORKDIR /app

# HF Spaces run the container as a non-root user; give the HF cache a writable home
# so the model download at startup doesn't hit a permissions error.
ENV HF_HOME=/app/.cache \
    TRANSFORMERS_CACHE=/app/.cache \
    PYTHONUNBUFFERED=1

# System lib required by opencv-python-headless (libgthread).
RUN apt-get update \
    && apt-get install -y --no-install-recommends libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt .

RUN pip install --no-cache-dir -r requirements.txt

COPY app.py .

COPY static/ static/

RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]