The browser downloads static Single-Page App (SPA) content from the Content Delivery Network (CDN). The SPA launches (client) and sends a request to the server
The Identity Provider checks the user’s authorization. If everything is in order, the request goes to the gateway. The gateway sends a request to a microservice depending on its mapping. Then a service discovery component determines the availability/address of services.
Microservices diagram code in Gleek
Client–>Identity Provider–>Api Gateway