FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    HF_HUB_DISABLE_TELEMETRY=1

# Minimal system deps; NO dev FFmpeg headers (prevents PyAV build path entirely)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg libsndfile1 git \
 && rm -rf /var/lib/apt/lists/*

WORKDIR /app
COPY requirements.txt ./
RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements.txt

COPY app.py ./
EXPOSE 7860
CMD ["python", "app.py"]