AWS CDK - Cloud Development Kit

Giriş

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The AWS CDK is an open-source software development framework to model and provision cloud application resources through AWS CloudFormation, programmatically with languages like Typescript, Javascript, Go, Python, C#, and Java.

Aslında bu AWS CDK ile altta Java kodu ile CloudFormation Template formatında yaml dosyası oluşturuluyor.

Kavramlar

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L1 Construct

Represent all resources available in AWS CloudFormation. These constructs start with the prefix Cfn. For example, CfnDBInstance represents the AWS::RDS::DBInstance

L2 Construct

Also, represent all resources available in AWS CloudFormation, but at a high level. Offer convenients defaults and reduce the need to know all details about the AWS resource. For example, Topic.Builder.create represent the creation of topic in AWS.

L3 Construct

These constructs are to help you to complete tasks that involve multiple resources in AWS. For example, The LambdaRestApi construct represents an Amazon API Gateway API that’s backed by an AWS Lambda function.

Stacks

Is the unit of deployment. All AWS resources are defined within a stack.

We can define a lot of stack numbers in we AWS CDK app.

Apps

An app is a container for one o more stacks, its serve as stack’s scope.

Bir örnek burada

Maven

Şu satırı dahil ederiz

<properties>
  <cdk.version>2.51.1</cdk.version>
  <constructs.version>[10.0.0,11.0.0)</constructs.version>
  <aws.java.sdk.version>2.16.1</aws.java.sdk.version>
</properties>

<dependencies>
  <dependency>
    <groupId>software.amazon.awssdk</groupId>
    <artifactId>aws-sdk-java</artifactId>
    <version>${aws.java.sdk.version}</version>
  </dependency>

  <!-- AWS Cloud Development Kit -->
  <dependency>
    <groupId>software.amazon.awscdk</groupId>
    <artifactId>aws-cdk-lib</artifactId>
    <version>${cdk.version}</version>
 </dependency>

 <dependency>
   <groupId>software.constructs</groupId>
   <artifactId>constructs</artifactId>
   <version>${constructs.version}</version>
 </dependency>

</dependencies>