FROM python:3.10-slim

WORKDIR /app

# Install system dependencies required for ML libraries
RUN apt-get update && apt-get install -y \
    build-essential \
    libgomp1 \
    && rm -rf /var/lib/apt/lists/*

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

# Copy application files
COPY . .

# Hugging Face Spaces expects the app to run on port 7860
ENV PORT=7860
EXPOSE 7860

# Run the Flask app using Gunicorn for better performance
CMD ["gunicorn", "-w", "1", "--threads", "4", "-b", "0.0.0.0:7860", "--timeout", "300", "app:app"]