Dockerfile

FROM python:3.10-slim

# System deps for librosa, soundfile, NeMo
RUN apt-get update && apt-get install -y \
    git \
    ffmpeg \
    libsndfile1 \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app
COPY app.py .

# HF Spaces uses port 7860
EXPOSE 7860

CMD ["python", "app.py"]