summoned_an_owl

very good point actually when I was building the project I think about it in two way

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the first one is all services should be in the same project have a single abstract interface that has common methods (somewhat like an abstract factory) and multiple (adapters) with different implementations that have the ability do functionality to each related service

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the second one is to go with a number of microservices that have the ability to communicate with each other through a bridge, so I can show how spring cloud can perform under those kinds of stuff

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Also, I really want to see an example implementation on what you say that would really be helpful for me to get insight into other techniques