OAuth 2.0 & Third-Party Authentication | Google + GitHub Login with Passport.js in Node.js

Want to add “Login with Google” or “Login with GitHub” to your Node.js app? 🚀
In this full guide, we’ll explore OAuth 2.0 from scratch, break down its flow, and implement Google + GitHub authentication using Passport.js in an Express app.

You’ll learn:
✅ What OAuth 2.0 is and why it’s used
✅ Key terms like Access Token, Refresh Token, Authorization Server
✅ How the OAuth 2.0 flow works in real apps
✅ Google Auth setup with Passport.js
✅ GitHub Auth setup with Passport.js
✅ Security best practices for production

Whether you’re building a Node.js web app or adding Single Sign-On (SSO), this tutorial will help you set up third-party authentication securely and efficiently.

📂 Source Code & Notes: https://github.com/coding4dev/nodejs-complete-course
🎯 Full Node.js Playlist: https://www.youtube.com/playlist?list=PLEnLIMmMxb5rMZj-94asbOoWGfQi43qCq

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#oauth2 #googlelogin #githublogin #nodejs #passportjs #javascript #expressjs #authentication #webdevelopment #backenddevelopment #coding4dev

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