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AWS Lambda Powertools (TypeScript) examples in CDK

This is a deployable CDK app that deploys AWS Lambda functions as part of a CloudFormation stack. These Lambda functions use the utilities made available as part of AWS Lambda Powertools (TypeScript) to demonstrate their usage.

You will need to have a valid AWS Account in order to deploy these resources. These resources may incur costs to your AWS Account.

The example functions, located in the lib folder, are invoked automatically, twice, when deployed using the CDK construct defined in lib/example-function.ts. The first invocation demonstrates the effect on logs/metrics/annotations when the Lambda function has a cold start, and the latter without a cold start.

Deploying the stack

  • Ensure that CDK v2 is installed globally on your machine (if not, run npm install -g aws-cdk)
  • Navigate to this location of the repo in your terminal (examples/cdk)
  • npm install
  • cdk deploy --all --profile <YOUR_AWS_PROFILE>

Note: Prior to deploying you may need to run cdk bootstrap aws://<YOU_AWS_ACCOUNT_ID>/<AWS_REGION> --profile <YOUR_AWS_PROFILE> if you have not already bootstrapped your account for CDK.

Viewing Utility Outputs

All utility outputs can be viewed in the Amazon CloudWatch console.

  • Logger output can be found in Logs > Log groups
  • Metrics output can be found in Metrics > All metrics > CdkExample
  • Tracer output can be found in X-Ray traces > Traces