I would appreciate it very much if someone could take a look at https://github.com/openweb-nl/kafka-graphql-examples/tree/ge-kotlin/GraphQL-endpoint I don't do that much with kotlin yet. It's currently working, but the performance of the subscription is a lot less then the Clojure and Java implementation. So I suspect I did something stupid somewhere.

i get 404 here

Me, too, somehow https://github.com/openweb-nl/kafka-graphql-examples/tree/ge-kotlin/graphql-endpoint is working