added sub directory and changed docker 2

Dockerfile

@@ -9,6 +9,10 @@ COPY . /app
 RUN pip install --no-cache-dir -r requirements.txt
 RUN mkdir -p /app/.cache && chmod -R 777 /app/.cache
 
+ENV HF_HOME=/app/.cache
+ENV HF_DATASETS_CACHE=/app/.cache/datasets
+ENV TRANSFORMERS_CACHE=/app/.cache/transformers
+
 # Expose the port your FastAPI app runs on (e.g. 7860)
 EXPOSE 7860