FROM python:3.12-slim

# HF Spaces runs as user 1000
RUN useradd -m -u 1000 user

WORKDIR /app

# Install system deps
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc libpq-dev curl && \
    rm -rf /var/lib/apt/lists/*

# Copy requirements first (leverages Docker layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code
COPY . .

# Create data and logs dirs with correct ownership
RUN mkdir -p data logs && chown -R user:user /app

USER user

# HF Spaces uses port 7860
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=15s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

CMD ["uvicorn", "app.main:app", \
     "--host", "0.0.0.0", \
     "--port", "7860", \
     "--workers", "1", \
     "--log-level", "info", \
     "--access-log"]