How to Create an AWS CDK Stack

What is an AWS CDK Stack

A stack represents a bundle of AWS resources contained for a single deployment. AWS CDK Stacks is based upon AWS CloudFormation stacks, therefore it contains the same features and limitations.

Synthesizing the AWS CDK Stack generates a CloudFormation template which can be used to deploy on AWS Cloud.

You can define any number of stacks in your AWS CDK app. Any instance of the Stack construct represents a stack and can be defined directly within the scope of the app.

The following code snippet shows how to create an AWS CDK Stack scaffold which you can use as a template to define your stacks.

AWS CDK Stack example

```typescript showLineNumbers
import * as cdk from 'aws-cdk-lib';
import { Construct } from 'constructs';

export interface ExampleStackProps extends cdk.StackProps {
//insert properties you wish to expose
}

export class ExampleStack extends cdk.Stack {
constructor(scope: Construct, id: string, props: ExampleStackProps) {
super(scope, id, props);
//Insert the AWS components you wish to integrate
}
}

### Explanation

A common pattern when creating a stack within your AWS CDK app is to extend the Stack base class `cdk.Stack`, as shown in the example. Then you define scope, id and props (interface) that need to be passed to the `cosntructor`.

## How to create an AWS CDK Stack

### Install packages

[Install AWS CDK](https://towardsthecloud.com1389) and the AWS CDK v2 library in your project using yarn



```bash
yarn add aws-cdk-lib construct
yarn add -D aws-cdk

Import the Stack Class

Import the newly created stacks in your CDK App.

import { ExampleStack } from './lib/stack-name';

Instantiate a new stack

After creating the AWS CDK stack class using the templated example above, you can instantiate a new stack in your AWS CDK app using the following code.

```typescript showLineNumbers
import * as cdk from 'aws-cdk-lib';
import { ExampleStack } from './lib/stack-name';

const app = new cdk.App();

new ExampleStack(app, 'newStack', {
//insert props which you exposed in the interface ExampleStackProps
});

app.synth();

## Learn more about AWS CDK

If you are a beginner or just starting out with AWS CDK then have a look at this article where you learn [what AWS CDK is](https://towardsthecloud.com/aws-cdk) and how it can improve your development cycle.

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> Written by Danny, Founder @ [towardsthecloud](https://towardsthecloud.com) → Helping startups cut costs and [ship faster on AWS](https://towardsthecloud.com/services/aws-landing-zone).
>
> FYI; I'm also building [cloudburn.io](https://cloudburn.io) → Help developers catch expensive infra in PR's before they deploy on AWS Cloud.