Master OAuth2 in Spring Boot (Guide + Code)

This guide explains how to implement OAuth2 authentication in Spring Boot using Spring Security. It covers the core concepts of OAuth2 and shows how to integrate third-party login providers like Google and Github to secure your applications.

What You Will Learn

1. OAuth2 Basics

Understanding OAuth and delegated authentication

Roles involved in OAuth2

2. Spring Boot Setup

Creating a Spring Boot project

Adding required dependencies

3. Securing the Application

Enabling Spring Security

Configuring authentication for endpoints

4. OAuth2 Login Integration

Configuring OAuth2 login using Google and Github both

Setting up Google & Github OAuth credentials

5. Testing the Authentication Flow

Redirecting users to login

Verifying authentication and accessing secured endpoints

What You Get

1. Step-by-step explanation
2. Practical Spring Boot configuration
3. Simple code examples for OAuth2 login