added a TO-DO

Author: almayor

README.md

@@ -88,4 +88,5 @@ Github Actions have been set up to continuously
 - [ ] Use pagination with [servant-pagination](https://hackage.haskell.org/package/servant-pagination)
 - [ ] Use Redis to cache requests
 - [ ] Implement rate limiting to prevent abuse
-- [ ] Add monitoring and alerting for the application
+- [ ] Add monitoring and alerting for the application
+- [ ] Slim down Docker image by leveraging two-stage builds