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JWT Authentication & Authorization using Spring Boot 3 + Spring Security (Latest) | Project (2025)
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JWT Authentication & Authorization with Spring Boot 3 & Spring Security (Latest) | Full Project Tutorial [2024]
In this full-stack backend security tutorial, you’ll learn how to implement secure JWT (JSON Web Token) Authentication and Authorization in Spring Boot 3 using Spring Security (latest non-deprecated approach), Spring Data JPA, and MySQL.
This is your complete step-by-step guide to securing REST APIs, generating JWT tokens after login, validating tokens for every request, and understanding how authentication and authorization work in a real-world production-ready app.
🔐 What You’ll Learn in This Tutorial:
✅ What is JWT (JSON Web Token) and how it works
✅ Authentication vs Authorization in real-world apps
✅ JWT Token structure: Header, Payload, Signature
✅ How to configure Spring Security 6 with JWT (non-deprecated approach)
✅ Build login API to generate JWT tokens
✅ Add filter to validate tokens and secure routes
✅ Protect private APIs & allow public APIs
✅ Save users in MySQL using Spring Data JPA
✅ Understand Authentication Server vs Authorization Server
✅ Use best practices for secure token-based authentication
🛠 Technologies Used:
✅ Spring Boot 3.x
✅ Spring Security 6.x (non-deprecated approach)
✅ Spring Data JPA
✅ MySQL Database
✅ Java JWT (JJWT or Auth0 Library)
✅ IntelliJ IDEA / Eclipse
✅ Postman for Testing REST APIs
📢 Must-Watch Prerequisite Videos:
🔔 Don’t forget to LIKE 👍, SHARE 🔁, COMMENT 💬, and SUBSCRIBE 🔔 for more backend development tutorials!
Chapters -
00:00 - Introduction & What You’ll Learn
03:00 - What is JWT?
06:00 - Structure of JWT (Header, Payload, Signature)
09:30 - Authentication vs Authorization
16:30 - Create Spring Boot Project (Spring Security, JPA, MySQL)
24:30 - Create User Entity, Role Model & Repository
30:00 - Spring Data JPA Setup for User Management
39:00 - Configure Spring Security (non-deprecated classes)
45:00 - Create AuthenticationRequest & Response DTOs
50:00 - Build JWT Token Utility Class
56:00 - Generate Token on Successful Login
1:01:00 - Create Authentication Controller & Login API
1:07:00 - Create JWT Filter to Secure APIs
1:13:00 - Handle Public vs Private Routes
1:18:00 - Register New User API
1:24:00 - Test Login and Registration in Postman
1:31:00 - Validate JWT Token on Each API Request
1:49:00 - Conclusion
Query resolved-
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#jwt #springsecurity #springboot #springboottutorial #springmvc #spring #restapi #programming #development #coding #authorization #authentication #mvc #placement #project #interview
#JWTAuthentication #springboot3 #springsecurity #SpringBootSecurity #SpringSecurityJWT #JWTToken #JavaJWT #SpringBootAuthentication #SpringBootLogin #SecureRESTAPI #MySQLSpringBoot #springdatajpa #BackendSecurity #springboottutorial #EngineersCodingHub
In this full-stack backend security tutorial, you’ll learn how to implement secure JWT (JSON Web Token) Authentication and Authorization in Spring Boot 3 using Spring Security (latest non-deprecated approach), Spring Data JPA, and MySQL.
This is your complete step-by-step guide to securing REST APIs, generating JWT tokens after login, validating tokens for every request, and understanding how authentication and authorization work in a real-world production-ready app.
🔐 What You’ll Learn in This Tutorial:
✅ What is JWT (JSON Web Token) and how it works
✅ Authentication vs Authorization in real-world apps
✅ JWT Token structure: Header, Payload, Signature
✅ How to configure Spring Security 6 with JWT (non-deprecated approach)
✅ Build login API to generate JWT tokens
✅ Add filter to validate tokens and secure routes
✅ Protect private APIs & allow public APIs
✅ Save users in MySQL using Spring Data JPA
✅ Understand Authentication Server vs Authorization Server
✅ Use best practices for secure token-based authentication
🛠 Technologies Used:
✅ Spring Boot 3.x
✅ Spring Security 6.x (non-deprecated approach)
✅ Spring Data JPA
✅ MySQL Database
✅ Java JWT (JJWT or Auth0 Library)
✅ IntelliJ IDEA / Eclipse
✅ Postman for Testing REST APIs
📢 Must-Watch Prerequisite Videos:
🔔 Don’t forget to LIKE 👍, SHARE 🔁, COMMENT 💬, and SUBSCRIBE 🔔 for more backend development tutorials!
Chapters -
00:00 - Introduction & What You’ll Learn
03:00 - What is JWT?
06:00 - Structure of JWT (Header, Payload, Signature)
09:30 - Authentication vs Authorization
16:30 - Create Spring Boot Project (Spring Security, JPA, MySQL)
24:30 - Create User Entity, Role Model & Repository
30:00 - Spring Data JPA Setup for User Management
39:00 - Configure Spring Security (non-deprecated classes)
45:00 - Create AuthenticationRequest & Response DTOs
50:00 - Build JWT Token Utility Class
56:00 - Generate Token on Successful Login
1:01:00 - Create Authentication Controller & Login API
1:07:00 - Create JWT Filter to Secure APIs
1:13:00 - Handle Public vs Private Routes
1:18:00 - Register New User API
1:24:00 - Test Login and Registration in Postman
1:31:00 - Validate JWT Token on Each API Request
1:49:00 - Conclusion
Query resolved-
how to pass jwt token in postman
how to generate jwt token in spring boot
why we use jwt token
how to validate jwt token in spring boot
how to pass jwt token in postman
what is jwt token and how it works
jwt token consists of how many parts
how to generate jwt token
how jwt token works
what is jwt token
Implement JWT token using spring boot & spring security
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JWT Private API Authentication
Secure REST API with JWT Spring Boot
Spring Boot MySQL JWT Integration
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Step by step implementation of JWT token using spring boot 3
Complete guide for JWT implementation using spring boot and MySQL
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#JWTAuthentication #springboot3 #springsecurity #SpringBootSecurity #SpringSecurityJWT #JWTToken #JavaJWT #SpringBootAuthentication #SpringBootLogin #SecureRESTAPI #MySQLSpringBoot #springdatajpa #BackendSecurity #springboottutorial #EngineersCodingHub
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