修复了docker中上传失败的问题，改用环境变量定义openai接口和密钥

Dockerfile

@@ -12,7 +12,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt /app/
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 COPY . /app