AWS CodeDeploy: Application Deployment on AWS | Exam Preparation

AWS CodeDeploy Deployment Configuration

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Question

You're planning on using the AWS CodeDeploy tool for the deployment of your application.

Which of the following is used to specify how your application will be deployed to the underlying instances?

Answers

Explanations

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A. B. C. D.

Answer - D.

This is mentioned in the AWS Documentation.

Because of what is mentioned in the documentation on what is the functionality of the appspec.yml file, all other options are incorrect.

Refer to page 19 and 25 of the below in.

https://docs.aws.amazon.com/codedeploy/latest/userguide/codedeploy-user.pdf

For more information on Code Deploy, please refer to the below URL-

https://docs.aws.amazon.com/codedeploy/latest/userguide/welcome.html

NOTE:

As per AWS docs, AppSpec Files on an AWS Lambda Compute Platform is a YAML-formatted or JSON-formatted file used by AWS CodeDeploy to manage deployment.

However, according to AWS, an application specification file (AppSpec file) is unique to the AWS CodeDeploy service.

The AppSpec file is used to manage each deployment as a series of lifecycle event hooks, which are defined in the file.

According to our question options, A & C are referring to an appConfig file that is wrong.

AWS CodeDeploy Component Deployment group Deployment Deployment configuration Revision Application EC2/On-Premises Deploys a set of instances to which a new revision is deployed. Deploys a new revision that consists of an application and AppSpec file. The AppSpec specifies how to deploy the application to the instances in a deployment group. Settings that determine the deployment speed and the minimum number of instances that must be healthy at any point during a deployment. Acombination of an AppSpec file and application files, such as executables, configuration files, and so on. Acollection of deployment groups and revisions. An EC2/On-Premises application uses the EC2/On-Premises compute platform. AWS Lambda Deploys a Lambda function version on a high- availability compute infrastructure. Deploys a new revision that consists of an AppSpec file. The AppSpec specifies which Lambda function version to deploy. Settings that determine how traffic is shifted to the updated Lambda function versions. An AppSpec file that specifies which Lambda functions to deploy and update. Acollection of revisions. A Lambda application uses the AWS Lambda compute platform.

The correct answer is D. appspec.yml.

AWS CodeDeploy is a fully-managed deployment service that automates application deployments to Amazon EC2 instances, on-premises instances, or serverless Lambda functions. The appspec.yml file is used to specify the deployment instructions for an application. This file contains the necessary instructions for AWS CodeDeploy to deploy the application to the underlying instances.

The appspec.yml file is located in the root directory of the application code and provides CodeDeploy with information on how to deploy the application to the instances in the deployment group. It specifies the files to be copied, the scripts to be run, and the order in which they should be executed.

The appspec.yml file consists of several sections, including:

  • Files: This section specifies the source and destination paths for the files that will be deployed to the instances.

  • Hooks: This section specifies the scripts that will be run at various stages of the deployment process, such as before or after the application is installed or updated.

  • Permissions: This section specifies the permissions that the deployment process requires to perform certain actions, such as running scripts or accessing files.

Overall, the appspec.yml file plays a critical role in the deployment process and ensures that the application is deployed correctly to the underlying instances.

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