Update Dockerfile

Dockerfile

@@ -1,16 +1,48 @@
 # Read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
-# you will also find guides on how best to write your Dockerfile
+FROM python:3.11-slim
 
-FROM python:3.9
+# 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:$PATH"
+ENV PATH="/home/user/.local/bin:$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
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+
+# 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"]