A quick-and-dirty api generator, for any function a -> Either String b.
It is inspired from the interact function from the Prelude.
interactWeb (reverse :: String -> String)
This creates a server listening on port 8080. You can change the port with the PORT env variable.
You can query it via a browser at http://localhost:8080 or by using curl/httpie
http :8080 input="<your input string>"
curl localhost:8080 -d input="<your input string>"