API Gateway REST APIs and HTTP APIs

traffic management, authorization and access control, monitoring, and API version management.

Powerful, flexible authentication mechanisms, such as AWS Identity and Access Management policies, Lambda authorizer functions, and Amazon Cognito user pools.

Amazon VPC networks includes the following network elements:

ACL to provide additional security in a subnet

Lambda-backed custom resource is stuck

API Gateway

hostname is of the form {api-id}.execute-api.{region}.amazonaws.com

types of API endpoints are supported: Edge-optimized API endpoint Private API endpoint Regional API endpoint

Don't use API keys for authentication or authorization for your APIs.

functions, APIs, permissions, configurations, and events that make up a serverless application

Whenever possible, prototype in an interpreted language before coding C.

Small is beautiful. Write programs that do as little as is consistent with getting the job done.

Donald Knuth (author of The Art Of Computer Programming, one of the field's few true classics) popularized the observation that “Premature optimization is the root of all evil”.[11]

unobvious design rules that allow programs to function not just as isolated one-shot solutions but as synergistic parts of a toolkit. A major purpose of this book is to elucidate those rules.

AWS CloudFormation