dbTemplateURI should be const

Makefile

@@ -277,4 +277,3 @@ stop-minishift:
 
 stop-kind:
 	@$(MAKE) run CMD='-c "./build/local_kubernetes.sh stop_localkube"'
-

pkg/app/utils.go

@@ -20,6 +20,10 @@ import (
 	"k8s.io/apimachinery/pkg/util/rand"
 )
 
+const (
+	dbTemplateURI = "https://raw.githubusercontent.com/openshift/origin/master/examples/db-templates/%s-persistent-template.json"
+)
+
 // appendRandString, appends a random string to the passed string value
 func appendRandString(name string) string {
 	return fmt.Sprintf("%s-%s", name, rand.String(5))
@@ -29,5 +33,5 @@ func appendRandString(name string) string {
 // db template for that application
 // https://github.com/openshift/origin/tree/master/examples/db-templates
 func getOpenShiftDBTemplate(appName string) string {
-	return fmt.Sprintf("https://raw.githubusercontent.com/openshift/origin/master/examples/db-templates/%s-persistent-template.json", appName)
+	return fmt.Sprintf(dbTemplateURI, appName)
 }