- update docker to download marfin_emotion model

Dockerfile

@@ -2,8 +2,10 @@ FROM python:3.9-slim
 
 WORKDIR /app
 
+RUN pip install --no-cache-dir -r requirements.txt
+RUN python -c "from transformers import pipeline; pipeline('zero-shot-classification', model='MarfinF/marfin_emotion')"
+
 COPY . .
 
-RUN pip install -r requirements.txt
 
 CMD ["uvicorn", "backend.app:app", "--host", "0.0.0.0", "--port", "7860"]