Azure Active Directory OAuth2 for Spring Boot example Based on https://docs.microsoft.com/en-us/azure/developer/java/spring-framework/configure-spring-boot-starter-java-app-with-azure-active-directory https://docs.microsoft.com/en-us/azure/developer/java/spring-framework/spring-boot-starter-for-azure-active-directory-developer-guide#access-a-web-application https://docs.microsoft.com/en-us/azure/developer/java/spring-framework/spring-boot-starter-for-azure-active-directory-developer-guide