JWT Setup Fastify

Adding JWT Setup with Fastify for Authentication
As we all knows that JWTs(JSON Web Tokens) are very pouplar and nowadays widely used for stateless authentication. And they will provide a secure way to verify user identity across API calls. Below are some steps or task that we can do for JWT.

Here first of all we will install the jwt with fastify:-

npm install @fastify/jwt

Now we will jump into the implementation step. And to do that you need to add JWT plugin to your Fastify app and configure a secret.

JWT Import Fastify

Now we will jump to create a JWT. And this is used to authenticate a user to generate a token during login.

Token Create

Now we will jump to step Verifying a JWT. And to do that we will secure routes by verifying the JWT:-

JWT Token Verifiy

Note:-For JWT you must take care below three things and important points:-
(1)Refresh your tokens and also handle the token expiry things
(2)Always try to secure sensitive operations with middleware
(3)Integrating JWT with external identity providers

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