Design by contract using GraphQL

When interfacing between systems it is good practice to think about the interface design prior to developing the systems. GraphQL can be a useful tool to write down these design decisions using its schema definition language. Even when you are not using GraphQL itself in production. GraphQL’s schema can be used to generate a mock server for clients and can verify whether the responses of the server are valid. This way a clear and precise agreement on the API can be made upfront to avoid costly surprises at the end of the development phase.

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The monolithic frontend in the microservices architecture

When you are implementing a microservices architecture you want to keep services small. This should also apply to the frontend. If you don't, you will only reap the benefits of microservices for the backend services. An easy solution is to split your application up into separate frontends. When you have a big monolithic frontend that can’t be split up easily, you have to think about making it smaller. You can decompose the frontend into separate components independently developed by different teams.

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