VOL-4697: Fixes for rolling update case
Also update build-base image to a newer version as old is not available anymore

Change-Id: Ifbe29a814bccbbe9fd39fff2d45bc5cefc636e1d
diff --git a/VERSION b/VERSION
index 1506473..5bc1cc4 100755
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.6
\ No newline at end of file
+2.2.7