How I Built JWT Authentication in Spring Boot (Beginner-Friendly Guide)

Short summary

A beginner's walkthrough of building JWT authentication in Spring Boot, covering the authentication flow from signup to token validation. The author implemented user registration, BCrypt password hashing, JWT token generation, Spring Security configuration, and a custom JWT filter. The article lists challenges faced and lessons learned but contains minimal code or technical depth, reading more like a learning reflection than a practical guide.

• •Covers JWT auth flow in Spring Boot from registration to token validation
• •Lists implemented features and challenges but lacks code examples or depth
• •Briefly mentions exploring Spring AI for future projects

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