diff --git a/README.md b/README.md
index 252982a..684b02d 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,8 @@ version: '3.7'
 services:
   wishlist:
     image: thisisbenny/wishlist-app:latest
+    environment:
+      - API_KEY=TOP_SECRET
     ports:
       - '5000:5000'
     volumes: