Fix installation to use 9 tag as default for docker images

Change-Id: Ia0bed5627301fa7bbcaa5a5229ea9138f70d2d92
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/docker/docker-compose-lightui.yaml b/installers/docker/docker-compose-lightui.yaml
index 1b23edd..3795a4c 100644
--- a/installers/docker/docker-compose-lightui.yaml
+++ b/installers/docker/docker-compose-lightui.yaml
@@ -26,7 +26,7 @@
     #  com.docker.network.driver.mtu: "1446"
 services:
   light-ui:
-    image: ${DOCKER_USER:-opensourcemano}/light-ui:${TAG:-8}
+    image: ${DOCKER_USER:-opensourcemano}/light-ui:${TAG:-9}
     networks:
       - netOSM
     environment: