🔐 Spring Boot OAuth2 Login with Google and GitHub

This is a simple Spring Boot application that enables users to log in using Google or GitHub via OAuth2.

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🚀 Features

• Login with Google and GitHub
• Uses Spring Security OAuth2 client support
• Secures client ID and secret using environment variables
• Easy-to-extend with additional providers
• Custom login buttons (optional)

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⚙️ Technologies Used

• Java 17+
• Spring Boot (3.x)
• Spring Security
• OAuth2 Client
• Maven

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🔐 Setting up Environment Variables

Before running the app, set the following environment variables:

Google

export GOOGLE_CLIENT_ID=your-google-client-id export GOOGLE_CLIENT_SECRET=your-google-client-secret

GitHub

export GITHUB_CLIENT_ID=your-github-client-id export GITHUB_CLIENT_SECRET=your-github-client-secret

##Configuration (application.properties) spring.security.oauth2.client.registration.google.client-id=${GOOGLE_CLIENT_ID} spring.security.oauth2.client.registration.google.client-secret=${GOOGLE_CLIENT_SECRET}

spring.security.oauth2.client.registration.github.client-id=${GITHUB_CLIENT_ID} spring.security.oauth2.client.registration.github.client-secret=${GITHUB_CLIENT_SECRET}

##Run The App: ./mvnw spring-boot:run

##visit http://localhost:8080