FROM python:3.10-slim

# Install system dependencies (including ffmpeg for audio extraction and git-lfs for model weights)
RUN apt-get update && apt-get install -y \
    ffmpeg \
    git \
    git-lfs \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

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

# Copy the backend code
COPY backend/ .

# Expose port (Hugging Face Spaces listens on port 7860 by default)
EXPOSE 7860

# Run Flask using gunicorn
CMD ["gunicorn", "-b", "0.0.0.0:7860", "--timeout", "120", "app:app"]