Code42Cate / aws-cdk-cron

Basic AWS CDK Stack to run a Lambda on a schedule

AWS CDK Lambda Cron Jobs

This is a very small and minimal example CDK project to create a lambda function that gets executed every 5 minutes.

Note: This is not a production-ready solution.

First, make sure that CDK is installed and configured/authenticated. Then edit the config.ts file to set your account ID and region.

Then follow these steps:

npm install
cdk bootstrap
cdk synth
cdk deploy

Useful commands

• cdk bootstrap bootstrap this stack

• 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

• npm run test perform the jest unit tests

Components

The project consists of the following components:

• config.ts - contains the configuration for the project
• bin/aws-cron.ts - the main entry point for the CDK project
• lib/aws-cron-stack.ts - the main stack for the CDK project
• lib/lambda/index.ts - the lambda function that is executed every 5 minutes
• test/aws-cron.test.ts - the unit tests for the CDK project

Stack

Deploying the stack will create the following resources:

• Rule that gets triggered every 5 minutes and executes the lambda function
• Lambda function to generate the thumbnails