SEBA-298 Use unique temp filename when saving recipes

Change-Id: I7a18e59ac07ebbe1cc83ef5acfbe3d35967fac79
diff --git a/Dockerfile b/Dockerfile
index e4f2354..cb2110d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # docker build -t xosproject/xos-tosca:candidate .
 
 # xosproject/xos-tosca
-FROM xosproject/xos-client:2.1.18
+FROM xosproject/xos-client:2.1.19
 
 # Set environment variables
 ENV CODE_SOURCE .