diff --git a/demo-12/output.tf b/demo-12/output.tf
new file mode 100644
index 0000000..b698a6b
--- /dev/null
+++ b/demo-12/output.tf
@@ -0,0 +1,6 @@
+output "instance" {
+  value = "${aws_instance.example.public_ip}"
+}
+output "rds" {
+  value = "${aws_db_instance.mariadb.endpoint}"
+}