Dockerfile

# Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
FROM python:3.11-slim

# Install ffmpeg + system deps as ROOT (prima di switchare utente)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    curl \
    ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Verifica ffmpeg installato
RUN ffmpeg -version && ffprobe -version

# Crea utente non-root (richiesto da HF Spaces)
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH" \
    PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1

WORKDIR /app

# Copia e installa requirements
COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copia codice
COPY --chown=user . /app

# Crea cartelle necessarie con permessi corretti
RUN mkdir -p /tmp/public && chmod 777 /tmp/public

EXPOSE 7860

# Healthcheck opzionale
HEALTHCHECK --interval=30s --timeout=10s --start-period=20s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Avvio: 1 worker (per condividere JOBS dict in memoria), no reload
CMD ["uvicorn", "app:app", \
     "--host", "0.0.0.0", \
     "--port", "7860", \
     "--workers", "1", \
     "--log-level", "info", \
     "--timeout-keep-alive", "120", \
     "--limit-concurrency", "100"]