Dockerfile

# ── Base image ──────────────────────────────────────────────────────────────
# HF Spaces expects port 7860 and runs as a non-root user by default.
# python:3.10-slim keeps the image lean; ffmpeg handles any resample needs.
FROM python:3.10-slim

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

# ── Working directory ────────────────────────────────────────────────────────
WORKDIR /app

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

# ── App code ─────────────────────────────────────────────────────────────────
COPY app.py .

# ── HF Spaces: non-root user required ────────────────────────────────────────
RUN useradd -m appuser
USER appuser

# ── Expose HF Spaces default port ────────────────────────────────────────────
EXPOSE 7860

# ── Start ─────────────────────────────────────────────────────────────────────
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]