A brief introductions to three main components of APIM: Developer Portal, Management Plane, and API Gateway
https://learn.microsoft.com/en-us/azure/api-management/developer-portal-overview
https://learn.microsoft.com/en-us/azure/api-management/api-management-howto-deploy-multi-region
https://learn.microsoft.com/en-us/azure/reliability/availability-zones-overview?tabs=azure-cli
https://learn.microsoft.com/en-us/azure/api-management/api-management-howto-deploy-multi-region
https://learn.microsoft.com/en-us/training/modules/explore-api-management/2-api-management-overview?ns-enrollment-type=learningpath&ns-enrollment-id=learn.wwl.az-204-implement-api-management
