FROM python:3.10-slim

WORKDIR /app

# Install required system packages
RUN apt-get update && apt-get install -y \
    build-essential \
    poppler-utils \
    tesseract-ocr \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Create volume-safe directories with proper permissions
RUN mkdir -p /app/data /app/cache && chmod -R 777 /app/data /app/cache

# Set environment variables for Hugging Face cache
ENV TRANSFORMERS_CACHE=/app/cache
ENV HF_HOME=/app/cache

# Copy all project files
COPY . .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

EXPOSE 7860

# Run FastAPI app
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]