Decoupling applications involve building APIs or standalone backend applications that can integrate with different platforms regardless of the development architecture, while coupling applications are bound to their individual applications which server its backend needs and run on specific architecture, sometimes same as the frontend, sometimes different.
There are advantages and demerits of each of these techniques, however, developing applications with standalone backend can be daunting. Many things are necessary and pertinent to be considered when building standalone backend applications.
Building a standalone backend requires careful architectural decisions, including API design patterns such as REST, GraphQL, or gRPC, depending on the use case. Security measures such as authentication, authorization, and encryption must also be incorporated to ensure data integrity. Additionally, handling scalability through caching, database optimization, and load balancing is essential for performance.
As I develop an API for a learner application, I am gaining deeper insights into these challenges and the best approaches to designing a scalable and efficient backend system. This hands-on experience has revealed the importance of structured API documentation, robust error handling, and seamless integration with frontend applications, further solidifying my understanding of decoupled architectures.
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