Regarding JWT token based authentication.

Hello Mandar,

Please check the below link for generate the Access token using referesh token in JWT.

https://medium.com/quick-code/jwt-access-and-refresh-token-with-vapor-3-85a0aee5291b
https://valor-software.com/articles/json-web-token-authorization-with-access-and-refresh-tokens-in-angular-application-with-node-js-server.html

Thanks