# Dockerfile

# 1. Base Image
FROM python:3.9-slim

# 2. Install system dependencies (ffmpeg, libsndfile)
RUN apt-get update && apt-get install -y --no-install-recommends \
    libsndfile1 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

# 3. Create a non-root user (Required for Hugging Face Spaces)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# 4. Set working directory
WORKDIR /home/user/app

# 5. Copy requirements and install
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --timeout=600 -r requirements.txt

# 6. Copy the application code
COPY --chown=user . .

# 7. Expose the correct port for Hugging Face
EXPOSE 7860

# 8. Run with Gunicorn on port 7860
# Note: Increased timeout to 120s because audio processing on CPU can be slow
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--timeout", "120", "app:app"]