https://blog.cleancoder.com/uncle-bob/2012/08/13/the-clean-architecture.html

In this blog which is very explain. If clean Architecture needs in your code lot of business logics are known in the code by third part dependencies. So as per this blog in future we have to install new dependencies then it will not as good.

And also please make the video on Node JS Microservices with fast gateways clusters advance concept of node JS. Please with a real world project

In the controllers, res.status(204).json({ 'message': 'No employees found.' }), the client doesn't receive the JSON object containing the message because the 204 code by default doesn't return any content.