Create Hash Service in FastAPI | Password Hashing Best Practices

Описание: Welcome to another video of the FastAPI Series! 🌙

In this session, we’re refactoring password hashing logic into a reusable Hash Service in FastAPI — a clean and professional approach used in real‑world backend systems. 🔐⚙️

Instead of keeping hashing logic scattered across your codebase, this video shows how to centralize password hashing and verification into a dedicated service for better maintainability, security, and testability.

By the end of this lesson, you’ll understand:
✅ Why password hashing logic should live in a service layer
✅ How to convert standalone hash functions into a Hash Service
✅ How to hash passwords securely inside the service
✅ How to verify hashed passwords during login
✅ How using a service improves clean architecture
✅ How this Hash Service fits into Signup & Login workflows
✅ Best practices for handling sensitive security logic

With hands‑on refactoring, clear explanations, and real project context, you’ll gain the confidence to build secure, reusable, and production‑ready authentication services in FastAPI. 🚀

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