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AWS Cloud Development Kit (AWS CDK)

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The AWS Cloud Development Kit (AWS CDK) is an open-source software development framework to define cloud infrastructure in code and provision it through AWS CloudFormation.

It offers a high-level object-oriented abstraction to define AWS resources imperatively using the power of modern programming languages. Using the CDK’s library of infrastructure constructs, you can easily encapsulate AWS best practices in your infrastructure definition and share it without worrying about boilerplate logic.

The CDK is available in the following languages:

Developer Guide | CDK Workshop | Getting Started | API Reference | Examples | Getting Help | RFCs | Roadmap

Developers use the CDK framework in one of the supported programming languages to define reusable cloud components called constructs, which are composed together into stacks, forming a "CDK app".

They then use the AWS CDK CLI to interact with their CDK app. The CLI allows developers to synthesize artifacts such as AWS CloudFormation Templates, deploy stacks to development AWS accounts and "diff" against a deployed stack to understand the impact of a code change.

The AWS Construct Library includes a module for each AWS service with constructs that offer rich APIs that encapsulate the details of how to use AWS. The AWS Construct Library aims to reduce the complexity and glue-logic required when integrating various AWS services to achieve your goals on AWS.

At a glance

Install or update the AWS CDK CLI from npm (requires Node.js ≥ 10.3.0):

$ npm i -g aws-cdk

(See Manual Installation for installing the CDK from a signed .zip file).

Initialize a project:

$ mkdir hello-cdk
$ cd hello-cdk
$ cdk init sample-app --language=typescript

This creates a sample project looking like this:

export class HelloCdkStack extends cdk.Stack {
  constructor(scope: cdk.App, id: string, props?: cdk.StackProps) {
    super(scope, id, props);

    const queue = new sqs.Queue(this, 'HelloCdkQueue', {
      visibilityTimeout: cdk.Duration.seconds(300)
    });

    const topic = new sns.Topic(this, 'HelloCdkTopic');

    topic.addSubscription(new subs.SqsSubscription(queue));
  }
}

Deploy this to your account:

$ cdk deploy

Use the cdk command-line toolkit to interact with your project:

  • cdk deploy: deploys your app into an AWS account
  • cdk synth: synthesizes an AWS CloudFormation template for your app
  • cdk diff: compares your app with the deployed stack

For a detailed walkthrough, see the tutorial in the AWS CDK Developer Guide.

Getting Help

Please use these community resources for getting help. We use the GitHub issues for tracking bugs and feature requests.

  • Ask a question on Stack Overflow and tag it with aws-cdk
  • Come join the AWS CDK community on Gitter
  • Open a support ticket with AWS Support
  • If it turns out that you may have found a bug, please open an issue

Contributing

We welcome community contributions and pull requests. See CONTRIBUTING for information on how to set up a development environment and submit code.

Roadmap

The AWS CDK Roadmap project board lets developers know about our upcoming features and priorities to help them plan how to best leverage the CDK and identify opportunities to contribute to the project. See ROADMAP for more information and FAQs.

License

The AWS CDK is distributed under the Apache License, Version 2.0.

See LICENSE and NOTICE for more information.