Change Dockerfile used to build LW-UI from master

Change-Id: Ia8648e659f1c53d7d1f3cfd4867f1defc6dbbda0
Signed-off-by: lavado <glavado@whitestack.com>
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 7a207bb..ddff44a 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -712,7 +712,7 @@
     elif [ -z "$TO_REBUILD" ] || echo $TO_REBUILD | grep -q LW-UI ; then
         git -C ${LWTEMPDIR} clone https://osm.etsi.org/gerrit/osm/LW-UI
         git -C ${LWTEMPDIR}/LW-UI checkout ${COMMIT_ID}
-        sg docker -c "docker build ${LWTEMPDIR}/LW-UI -t osm/light-ui -f ${LWTEMPDIR}/LW-UI/Dockerfile --no-cache" || FATAL "cannot build LW-UI docker image"
+        sg docker -c "docker build ${LWTEMPDIR}/LW-UI -t osm/light-ui -f ${LWTEMPDIR}/LW-UI/docker/Dockerfile --no-cache" || FATAL "cannot build LW-UI docker image"
     fi
 
     if [ -n "$PULL_IMAGES" ]; then