At what stage should I check the JWT token?

Question

Node.js

I have a microservice architecture:
1 - the GRAPHQL layer receives requests from the client to the 2 - RabbitMQ layer (gateway), then they are sent to the 3 - layer to the required microservice.
Where is the best place to implement the logic of user identification by JWT token?
And did you build the above scheme correctly or is there a more correct option?

Answer 1

Where requests are received, there you need to check. If the token is invalid, then there is no point in sending the request somewhere further