Update Dockerfile

Dockerfile

@@ -5,5 +5,5 @@ RUN apk update && apk add --no-cache sing-box python3
 RUN mkdir -p /etc/sing-box
 RUN touch /etc/sing-box/config.json
 RUN chmod 777 /etc/sing-box/config.json
-COPY create.py /etc/sing-box/create.py 
-CMD ["python3","/etc/sing-box/create.py"]
+COPY main.py /etc/sing-box/main.py 
+CMD ["python3","/etc/sing-box/main.py"]