https://manpages.ubuntu.com/manpages/xenial/man3/VM::EC2::VPC::InternetGateway::Attachment.3pm.html
Ubuntu Manpage: VM::EC2::VPC::InternetGateway::Attachment - Attachment of an internet gateway to a...
Attachment of an internet gateway to a VPC
https://docs.aws.amazon.com/tnb/latest/ug/node-internet-gateway.html
AWS.Networking.InternetGateway - AWS Telco Network Builder
Learn the syntax to define the internet gateway node.
aws networkingtelcobuilder