diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 8b1378917..000000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
new file mode 100644
index 000000000..93562dca6
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,7 @@
+# runtime? ??? profile ??
+spring:
+  profiles:
+#    active: prod
+    active: dev
+#    active: test
+    include: secret