Cloud Native Development Patterns and Best Practices

Example – user authentication integration

The following is an example of a bidirectional integration with a User Authentication system, such as AWS Cognito. The outbound communication demonstrates directing the external service to send an invitation to a new user. The inbound communication demonstrates re-publishing the external events for user sign-up and sign-in. In the case of an email system, this communication would entail sending emails and reacting to the likes of bounce and unsubscribe events, whereas for a payment processor we would process payments and react to disputes, refunds, and so forth. The following is a fragment from a Serverless Framework serverless.yml file, which demonstrates the configuration and registration of the ...