[SEBA-497] Release tag an alpine-based image

Change-Id: I3674070e8b806a3caa8b740a95a7b17f53c9b42d
diff --git a/VERSION b/VERSION
index 9a6e25f..b98c315 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-1.2.1-dev2
+1.2.1