OAuth 2.0 & Social Login

Part of the Full Stack Developer Roadmap.

Summary

Letting users sign up or log in with an existing Google or GitHub account instead of creating a new password — reducing signup friction across your full-stack app.

How to Learn This

1Implement 'Sign in with Google' end-to-end, from the frontend button through to a backend session/token.
2Learn the OAuth authorization code flow at a conceptual level.
3Handle the case where a social login email matches an existing local account.

JWT

Password Hashing

More topics in Authentication Across the Stack

Sessions vs Tokens JWT Password Hashing Protected Routes (Frontend)Protected Routes (Backend)Role-Based Access Control Refresh Tokens

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