The Power of __init__.py in FastAPI Apps

When building FastAPI apps, we often focus on routers, schemas, and dependencies — but forget the quiet little hero that holds it all together: 👉 __init__.py Yes, it’s usually empty — yet incredibly powerful. Here’s why 👇 ⚙️ It tells Python that the folder is a package, not just another directory. 📦 It allows relative imports like from .models import User. 🧠 It keeps your app modular and scalable as you split routers, services, and utils. 🪄 It can even run package-level setup logic, like initializing logs or environment configs. Even though Python 3.3+ allows “implicit packages,” adding __init__.py is still a best practice — it makes your FastAPI structure clean, predictable, and bug-free. 💬 Funny how an empty file can make such a big difference, right? #FastAPI #Python #BackendDevelopment #CleanCode #WebDevelopment #Developers

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