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aws/aws-cdk

An open-source framework for defining AWS cloud infrastructure in TypeScript, Python, Java, .NET or Go and provisioning it via CloudFormation.

Open-source alternative to:TerraformAWS CloudFormation

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What is it?

The AWS Cloud Development Kit (CDK) lets developers define cloud infrastructure using general-purpose programming languages instead of hand-written templates. Developers compose reusable building blocks called constructs into stacks, forming a CDK app, and the framework synthesizes these into AWS CloudFormation templates for deployment.

The AWS Construct Library includes a module for each AWS service, with object-oriented APIs that encapsulate how to wire services together, reducing boilerplate and glue logic. Constructs can be packaged and shared, and are discoverable through Construct Hub.

The CDK CLI, installed from npm, provides commands to synthesize templates, deploy stacks to an AWS account, and diff a code change against a deployed stack. Supported languages include TypeScript, JavaScript, Python, Java, .NET and Go.

Key features

  • 01Define AWS resources as reusable constructs in TypeScript, Python, Java, .NET or Go.
  • 02Synthesize AWS CloudFormation templates from application code.
  • 03Deploy stacks to AWS accounts with the cdk deploy command.
  • 04Diff local code changes against deployed stacks before applying them.
  • 05Use an AWS Construct Library module for each AWS service.

Use cases

  • Managing AWS infrastructure for applications as version-controlled code.
  • Sharing reusable infrastructure patterns across teams through construct libraries.
  • Previewing infrastructure changes with diff before deploying to production.

Quick start

  1. 1

    Install the AWS CDK CLI from npm

    npm i -g aws-cdk
  2. 2

    Create a new sample TypeScript project

    mkdir hello-cdk && cd hello-cdk && cdk init sample-app --language=typescript
  3. 3

    Deploy the sample app to your AWS account

    cdk deploy

Things to know

  • Requires an AWS account and AWS credentials to deploy stacks.
  • Experimental modules may have breaking API changes in any release.

Topics

#aws#infrastructure-as-code#cloudformation#typescript#cloud#cloud-infrastructure#hacktoberfest

FAQ

What is aws-cdk?
An open-source framework for defining AWS cloud infrastructure in TypeScript, Python, Java, .NET or Go and provisioning it via CloudFormation. The AWS Cloud Development Kit (CDK) lets developers define cloud infrastructure using general-purpose programming languages instead of hand-written templates. Developers compose reusable building blocks called constructs into stacks, forming a CDK app, and the framework synthesizes these into AWS CloudFormation templates for deployment.
Is aws-cdk free to use? What license does it have?
aws-cdk is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is aws-cdk still maintained?
Actively maintained. The last commit to aws-cdk was on Oct 22, 2026.
What can I use aws-cdk for?
Managing AWS infrastructure for applications as version-controlled code. Sharing reusable infrastructure patterns across teams through construct libraries. Previewing infrastructure changes with diff before deploying to production.
How do I install aws-cdk?
Install the AWS CDK CLI from npm: npm i -g aws-cdk Create a new sample TypeScript project: mkdir hello-cdk && cd hello-cdk && cdk init sample-app --language=typescript Deploy the sample app to your AWS account: cdk deploy
Where can I get aws-cdk?
The source code and installation instructions are on GitHub: https://github.com/aws/aws-cdk

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