How can I implement JWT security in my Express.js application?

How can I implement JWT security in my Express.js application?

To implement JWT security in your Express.js app, you need to install the jsonwebtoken package and set up middleware to verify tokens.

What are the steps to install the jsonwebtoken package?

You can install it using npm with the command: npm install jsonwebtoken. After that, you can require it in your app.

How do I create a JWT after a user logs in?

After validating the user's credentials, you can create a token using jsonwebtoken.sign(payload, secret, options).

What should I include in the payload?

The payload typically includes user information like user ID and roles, which can be used for authorization.