powertools-examples-idempotency

Powertools for AWS Lambda (Java) - Idempotency Example

This project contains an example of Lambda function using the idempotency module of Powertools for AWS Lambda (Java). For more information on this module, please refer to the documentation. The example exposes a HTTP POST endpoint. When the user sends the address of a webpage to it, the endpoint fetches the contents of the URL and returns them to the user:

Deploy the sample application

This sample is based on Serverless Application Model (SAM). To deploy it, check out the instructions for getting started with SAM in the examples directory

Test the application

 curl -X POST https://[REST-API-ID].execute-api.[REGION].amazonaws.com/Prod/helloidem/ -H "Content-Type: application/json" -d '{"address": "https://checkip.amazonaws.com"}'

this should return the contents of the webpage, for instance:

{ "message": "hello world", "location": "123.123.123.1" }

Check out App.java to see how it works!