you just create a spring boot that that is consuming some legacy API that is going God knows where then you have that multi layer flow that you really want to avoid yeah and you are not scalable it doesn't matter how many micro services you deploy because it still where is the one single database for example billing system for data so that should get your bottleneck and single point of failure if that goes down all of the micro services doesn't matter if you have one more connect so in order to build really scalable like service has to have its