充分利用Dockerfile的cache，避免重复下载

Dockerfile

@@ -5,14 +5,14 @@ FROM python:3.10
 
 WORKDIR /code
 
+RUN wget https://huggingface.co/TheBloke/NeuralHermes-2.5-Mistral-7B-GGUF/resolve/main/neuralhermes-2.5-mistral-7b.Q5_K_M.gguf?download=true -O neuralhermes-2.5-mistral-7b.Q5_K_M.gguf
+
 COPY ./requirements.txt /code/requirements.txt
 
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
 COPY . .
 
-RUN wget https://huggingface.co/TheBloke/NeuralHermes-2.5-Mistral-7B-GGUF/resolve/main/neuralhermes-2.5-mistral-7b.Q5_K_M.gguf?download=true -O neuralhermes-2.5-mistral-7b.Q5_K_M.gguf
-
 ENV MPLCONFIGDIR /code/matplotlib/
 
 CMD ["python", "app.py"]