This video demo how to install Anypoint Flex Gateway in connected mode on Amazon Linux 2 instance in Connected Mode and demo how to secure Spring Boot API using Anypoint Flex Gateway deployed on Amazon Linux 2 instance. This video demo in following in detail:
Install, register, and run Flex Gateway in Connected Mode on Amazon Linux 2 instance
Add Spring Boot APIs to Anypoint Flex Gateway in API Manager
Apply policies to above added Spring Boot APIs in API Manager