Next.js from Development to Deployment - Clean Up Get Posts

The video tutorial focuses on cleaning up repetitive code across multiple pages by creating a separate file for shared logic. The instructor demonstrates how to refactor the code in index.js, page index, and category name pages to use a new function, get posts, which simplifies the code and reduces redundancy. The process involves creating a new file in a Lib folder, updating imports, and ensuring the server is restarted. The tutorial also addresses common errors and ensures pagination and category pages function correctly after the refactor.

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