FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first to leverage Docker cache
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Create upload directory with proper permissions
RUN mkdir -p static/uploads && \
    chmod -R 777 static/uploads

# Create metadata directory with proper permissions
RUN mkdir -p static/metadata && \
    chmod -R 777 static/metadata

# Set environment variables for Hugging Face
ENV PYTHONUNBUFFERED=1
ENV HOST=0.0.0.0
ENV PORT=7860

# Expose port for Hugging Face Spaces (uses port 7860)
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]