FROM python:3.10-slim

# Install system dependencies for audio processing
RUN apt-get update && apt-get install -y \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONPATH=$HOME/app \
    HF_HOME=/tmp/huggingface_cache

WORKDIR $HOME/app

# Install Python requirements
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

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

# Expose port 7860 (default for HF Spaces)
EXPOSE 7860

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