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@aws-cdk/core

AWS Cloud Development Kit Core Library

  • 1.204.0
  • latest
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  • npm
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160K
increased by2.66%
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What is @aws-cdk/core?

@aws-cdk/core is a foundational package for the AWS Cloud Development Kit (CDK), which allows developers to define cloud infrastructure using familiar programming languages. It provides a high-level object-oriented abstraction to define AWS resources imperatively.

What are @aws-cdk/core's main functionalities?

Defining a Stack

A stack is a collection of AWS resources that you can manage as a single unit. In this example, we define a new stack called 'MyStack' and add it to the CDK application.

const cdk = require('@aws-cdk/core');

class MyStack extends cdk.Stack {
  constructor(scope, id, props) {
    super(scope, id, props);
    // Define resources here
  }
}

const app = new cdk.App();
new MyStack(app, 'MyStack');
app.synth();

Adding an S3 Bucket

This example demonstrates how to add an S3 bucket to a stack. The bucket is versioned, meaning it keeps multiple versions of an object.

const cdk = require('@aws-cdk/core');
const s3 = require('@aws-cdk/aws-s3');

class MyStack extends cdk.Stack {
  constructor(scope, id, props) {
    super(scope, id, props);
    new s3.Bucket(this, 'MyBucket', {
      versioned: true
    });
  }
}

const app = new cdk.App();
new MyStack(app, 'MyStack');
app.synth();

Defining IAM Roles

This example shows how to define an IAM role within a stack. The role is assumed by AWS Lambda and has the AWSLambdaBasicExecutionRole managed policy attached.

const cdk = require('@aws-cdk/core');
const iam = require('@aws-cdk/aws-iam');

class MyStack extends cdk.Stack {
  constructor(scope, id, props) {
    super(scope, id, props);
    new iam.Role(this, 'MyRole', {
      assumedBy: new iam.ServicePrincipal('lambda.amazonaws.com'),
      managedPolicies: [iam.ManagedPolicy.fromAwsManagedPolicyName('service-role/AWSLambdaBasicExecutionRole')]
    });
  }
}

const app = new cdk.App();
new MyStack(app, 'MyStack');
app.synth();

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Package last updated on 19 Jun 2023

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