diff --git a/config/skylight.yml b/config/skylight.yml
new file mode 100644
index 000000000..4937b14ca
--- /dev/null
+++ b/config/skylight.yml
@@ -0,0 +1,3 @@
+---
+# The authentication token for the application.
+authentication: <%= ENV['SKYLIGHT_AUTHENTICATION_KEY'] || '' %>