Dockerfile

FROM python:3.11-slim

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

WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY app/ ./app/

# Hugging Face Spaces Docker default port.
EXPOSE 7860
ENV PORT=7860

# API-only startup (FastAPI + Uvicorn).
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]