Topic · 2 articles
Messaging
Queues, notifications and streams that keep services apart.
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Designing Serverless Applications
Putting the pieces together. Long workflows with Step Functions, users with Cognito, two complete application designs, microservices and a cheap win with CloudFront, with hands-ons on a file that triggers a function and a workflow that decides.
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Connecting Services: SQS, SNS and Kinesis
Why services should not call each other directly, how an SQS queue absorbs load, how SNS sends one message to many, when you need a Kinesis stream, and a hands-on where you build a fan-out with a filter.