Update Dockerfile

Dockerfile

@@ -17,6 +17,7 @@ RUN pip install --no-cache-dir --upgrade pip && \
         torch \
         torchvision \
         git+https://github.com/huggingface/transformers \
+        accelerate \
         qwen-vl-utils[decord]==0.0.8 \
         fastapi \
         uvicorn[standard]