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Learn how to organize FastAPI applications using APIRouter to split routes into separate modules for better maintainability and scalability. Discover the common pattern of creating a routers directory and organizing API routes into dedicated modules for users and posts, similar to Flask's Blueprints concept. Master the techniques for structuring FastAPI projects as they grow larger and more complex, transforming a monolithic main.py file into a well-organized, modular architecture that follows real-world development practices.
