优化dockerfile，增加docker-compose，async openai

Dockerfile

@@ -3,16 +3,18 @@ FROM python:3.10-slim
 WORKDIR /app
 
 # 复制所需文件到容器中
-COPY ./app /app/app
 COPY ./requirements.txt /app
 
 RUN pip install --no-cache-dir -r requirements.txt
+COPY ./app /app/app
 ENV API_KEYS='["your_api_key_1"]'
 ENV ALLOWED_TOKENS='["your_token_1"]'
 ENV BASE_URL=https://generativelanguage.googleapis.com/v1beta
 ENV TOOLS_CODE_EXECUTION_ENABLED=true
 ENV MODEL_SEARCH='["gemini-2.0-flash-exp"]'
 
+COPY ./api_keys.txt /app
+
 # Expose port
 EXPOSE 8000