optimize: remove version:3 of docker-compose.yml (#853)
Signed-off-by: whosefriendA <whosefrienda@163.com>
diff --git a/integrate_test/dockercompose/docker-compose.yml b/integrate_test/dockercompose/docker-compose.yml
index c4dc34c..e915302 100644
--- a/integrate_test/dockercompose/docker-compose.yml
+++ b/integrate_test/dockercompose/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3'
-
# services config in one docker-compose file for integrate test
# integrate test will start up services and samples test will depend on those containers
services: