modified: mulit staged dockerfile

docker/Dockerfile.prod

@@ -101,10 +101,12 @@ RUN pip3 install /tmp/rknn_wheels/*.whl && \
 RUN chmod +x /usr/bin/rknn_server
 RUN ldconfig
 
+COPY config/ /app/config/
+COPY edge-proxy/ /app/edge_proxy
+
 COPY piper_models/ /app/piper_models/
 
 USER dev
-RUN mkdir -p /app/config
 RUN pip install --no-cache-dir --user -i https://mirrors.aliyun.com/pypi/simple/ \
     piper-tts \
     onvif-zeep \