.NET-StatusCodePages-Lab Run and try the following urls: Kestrel https://localhost:5000/non-existing https://localhost:5000/non-existing?culture=de https://localhost:5000/non-existing?culture=en https://localhost:5000/non-existing?culture=sv Docker https://localhost:5001/non-existing https://localhost:5001/non-existing?culture=de https://localhost:5001/non-existing?culture=en https://localhost:5001/non-existing?culture=sv