https://docs.aws.amazon.com/cdk/v2/guide/serverless_example.html
This example walks you through creating the resources for a simple widget dispensing service. (For the purpose of this example, a widget is just a name or identifier that can be added to, retrieved from, and deleted from a collection.) The example includes:
- An AWS Lambda function.
- An Amazon API Gateway API to call the Lambda function.
- An Amazon S3 bucket that holds the widgets.
This tutorial contains the following steps.
- Create an AWS CDK app
- Create a Lambda function that gets a list of widgets with
HTTP GET / - Create the service that calls the Lambda function
- Add the service to the AWS CDK app
- Test the app
- Add Lambda functions to do the following:
- Create a widget with
POST /{name} - Get a widget by name with
GET /{name} - Delete a widget by name with
DELETE /{name}
- Create a widget with
- Tear everything down when you're finished