FROM python

# Install system dependencies for faiss-cpu and pypdf
RUN apt-get update && apt-get install -y \
    build-essential \
    libffi-dev \
    libssl-dev \
    curl \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy and install requirements
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .

# Expose port 8000
EXPOSE 8000

# Health check with extended timeouts
HEALTHCHECK --interval=30s --timeout=15s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8000/health || exit 1

# Run uvicorn directly
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1", "--log-level", "info"]