Build your Lambda with Typescript using AWS CDK

Infrastructure as code framework used: AWS CDK AWS Services used: AWS Lambda, AWS DynamoDB

Summary of the demo

In this demo you will see:

• How to use Typescript in your Lambda functions and how to deploy it easily using AWS CDK

Requirements

• AWS CLI already configured with Administrator permission
• AWS CDK - v2
• NodeJS 14.x installed
• CDK bootstrapped in your account

Deploy this demo

Deploy the project to the cloud:

cdk synth
cdk bootstrap
cdk deploy

When asked about functions that may not have authorization defined, answer (y)es. The access to those functions will be open to anyone, so keep the app deployed only for the time you need this demo running.

To delete the app:

cdk destroy

AWS CDK useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile
• npm run test perform the jest unit tests
• cdk deploy deploy this stack to your default AWS account/region
• cdk diff compare deployed stack with current state
• cdk synth emits the synthesized CloudFormation template