SEBA-420 rename varchar to text; validation on max_length

Change-Id: I71791d27024260572e552936d39cb1f07ddaab38
diff --git a/containers/chameleon/Dockerfile.chameleon b/containers/chameleon/Dockerfile.chameleon
index 50bc364..e49fb23 100644
--- a/containers/chameleon/Dockerfile.chameleon
+++ b/containers/chameleon/Dockerfile.chameleon
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # xosproject/chameleon
-FROM xosproject/xos-base:3.1.0
+FROM xosproject/xos-base:3.2.0
 
 # xos-base already has protoc and dependencies installed