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Serverless + Step Functions - Copy users from AWS Cognito to DynamoDB
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Author: Yi Ai

Cognito Dynamodb Sync tool

This repository contains the source code of lambda functions which are

  • Send custom notification to newly confirmed user
  • Sync Cognito new user to Dynamodb User table


Run the following command to deploy the function:

serverless deploy --stage production --region yourRegion

Setup Cognito Trigger

Go to Cognito User Pool trigger setting page, Assign the deployed Lambda function to the Post confirmation trigger

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