diff --git a/lab-43/lab-43-demo-profiles/src/main/resources/application.yaml b/lab-43/lab-43-demo-profiles/src/main/resources/application.yaml
new file mode 100644
index 00000000..ff6f7616
--- /dev/null
+++ b/lab-43/lab-43-demo-profiles/src/main/resources/application.yaml
@@ -0,0 +1,6 @@
+server:
+  port: 7070
+
+spring:
+  application:
+    name: demo-application