How to authenticate a user across multiple node.js services with one centralized authentication service?

Question

Node.js

How to authenticate a user across multiple node.js services with one centralized JWT authentication service?

I'm using express.js so the node.js service middleware solves this problem. But how do you get a centralized authorization service?

Answer 1

Take Identity Server and either install it or use it as a service. I recommend Auth0 to everyone to start, and if you set it yourself, you can deploy keycloak