jwt

Add JWT authentication, user registration, and URL management to your URL shortener. Implement access and refresh tokens, bcrypt password hashing, auth middleware, user-scoped URLs, and API key generation.

Learn how the BFF (Backend for Frontend) pattern eliminates token theft risk by keeping JWT refresh tokens out of the browser entirely — stored in HttpOnly cookies managed by the server, never accessible to JavaScript.

Complete guide to securing Spring Boot applications with Spring Security, JWT tokens, and role-based access control. Learn authentication, authorization, password encryption, and best practices for building secure REST APIs.

Master authentication in FastAPI with JWT tokens, OAuth2 password flow, and best practices. Learn secure password hashing, token refresh, and route protection.