What are the different authentication methods for an Express app?
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What are the different authentication methods I can use in my Express app?
You can use several authentication methods in an Express app, including session-based authentication, token-based authentication (like JWT), OAuth, and third-party services like Auth0.
Can you explain how JWT works for authentication?
Sure! JWT, or JSON Web Token, is a compact, URL-safe means of representing claims to be transferred between two parties. It allows you to verify the token's authenticity and the user's identity without needing to store session data on the server.
What are the advantages of using OAuth?
OAuth allows users to grant third-party applications access to their resources without sharing their passwords. It's secure and widely used for social logins.
Are there any libraries you recommend for implementing these methods?
Yes! For JWT, you can use 'jsonwebtoken'. For OAuth, 'passport' is a great library that supports various strategies.
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