How to set-up a powerful API with Nodejs, GraphQL, MongoDB, Hapi, and Swagger

Separating your frontend and backend has many advantages:

• The biggest reason why reusable APIs are popular — APIs allow you to consume data from a web client, mobile app, desktop app — any client really.
• Separation of concerns. Long gone are the days where you have one monolithic-like app where everything is bundled together. Imagine you have an extremely convoluted application. Your only option is to hire extremely experienced/senior developers due to the natural complexity.

I’m all for hiring juniors and training your staff, and that’s exactly why you should separate concerns. With the separation of concerns, you can reduce the complexity of your application by splitting responsibilities into “micro-services” where each team is specialized in their micro-service.

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As mentioned above, the on-boarding/ramp-up process is much quicker thanks to splitting up responsibilities (backend team, frontend team, dev ops team, and so on)