FROM python:3.11-slim

# ── System deps ───────────────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    cpulimit \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# ── Python deps ───────────────────────────────────────────────────────────────
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# ── App ───────────────────────────────────────────────────────────────────────
WORKDIR /app
COPY app.py .

# HF Spaces persistent volume mounts at /data automatically
RUN mkdir -p /data/outputs /data/audio

# Non-root user (HF Spaces requirement)
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app /data
USER appuser

EXPOSE 7860

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