Table of Contents:

• Project Setup with Spring Boot 3.5.4
• Application Properties
• MongoDB User and Role Models
• Repositories
• Spring Security Configuration (Spring Boot 3.5.4 + Spring Security 6)
• CustomUserDetailsService Implementation
• Registration and Login Forms with Thymeleaf
• User Registration Controller and MongoDB Persistence
• Securing Routes and Creating a Home Page
• Creating Login and Registration Templates
• Testing the Full Flow
• Conclusion