Building event-driven workflows with DynamoDB Streams

1

AWS Lambda

Scores are submitted to an API Gateway REST API endpoint via a POST request. A Lambda function processes the payload and saves it to the database. Alternatively, if the payload doesn’t require validation or restructuring, the API Gateway can connect directly to DynamoDB - offering a faster, but not always viable solution.

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2

DynamoDB

The backend logic adds these scores to a DynamoDB table. Bob decided to implement a single-table design for the entire application.

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