It is tempting to combine web server, database and some imperative language with built in data oriented / SQL features in a single executable and call it an app

It is tempting to combine web server, database and some imperative language with built in data oriented / SQL features in a single executable and call it an application server that would communicate with the outside world using for example JSON based RPC. I think there were / are some products in the area even with the built in IDE (like Wakanda).