fix dockerfile for gh-proxy

gh-proxy/Dockerfile

@@ -1,5 +1,6 @@
-FROM ioiox/python:3.7-buster-uwsgi-nginx
-LABEL maintainer="Stille <[email protected]>"
+FROM guysoft/uwsgi-nginx:python3.7
+
+LABEL maintainer="hunshcn <[email protected]>"
 
 RUN pip install flask requests
 
@@ -23,4 +24,4 @@ ENTRYPOINT ["/entrypoint.sh"]
 
 EXPOSE 80
 
-CMD ["/start.sh"]
+CMD ["/start.sh"]