FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Copy requirements
COPY requirements.txt .

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

# Copy application files
COPY . .

# Expose port (HF Spaces uses port 7860 by default)
EXPOSE 7860

# Set environment variables
ENV PORT=7860

# Run the application
CMD ["python", "annotation_app.py"]