Microservice Patterns and Best Practices

Single Sign-On

We may not realize it, but the Single Sign-On (SSO) is much more present in our day-to-day lives than we can imagine. A good example is when we use the user account of a service to log in to another totally different service.

With JWT, which we looked at in the previous topic, it is entirely possible to create an application that provides SSO. In the following diagram, you can see the general behavior of the SSO using JWT:

With SSO, we can provide more dynamics to the application, and not only as a product; we can also offer the authentication and authorization service.

Something important to understand is that a specialized ...