independently you can't do that if you don't share data you can't do that if you're creating a facade on my or proxy my cursor that keeps baiting legacy and this query in that legacy for all day I mean you can do it and that there are uses for such such applications but you can forget about any kind of performance or scalability if you query an existing legacy banking systems for every time someone the queries your API on a micro service and needs to get some data that's the most important peak we will talk later