Dockerfile

# Use a lightweight Python image with CUDA support if possible
# For HF Spaces, a standard Python image is often sufficient as they provide the drivers
FROM python:3.10-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PORT=7860

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

# Create a non-root user (Hugging Face requirement for security)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

WORKDIR $HOME/app

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

# Copy the rest of the application
COPY --chown=user . .

# Expose the HF default port
EXPOSE 7860

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