Spring Cloud OAuth2: Resource server with multiple Authorization server
We are developing an application in a microservice architecture, which implements signle sign-on using Spring Cloud OAuth2 on multiple OAuth2 providers like Google and Facebook. We are also developing our own authorization server, and will be integrated on next release. Now, on our microservices, which are resource servers, I would like to know how to handle multiple token-info-uri or user-info-uri to multiple authorization servers (e.g. for Facebook or Google). This type of situation is generally solved by having a middle-man; a single entity that your resource servers trust and that can be