SDLC Automation and CI/CD Pipelines Flashcards

Which AWS service is used to create fully managed continuous integration and continuous delivery (CI/CD) pipelines?

Answer: AWS CodePipeline

AWS CodePipeline is the fully managed CI/CD service that automates build, test, and deploy phases of your release process.

In AWS CodeDeploy, what deployment configuration gradually shifts traffic from the original to the replacement environment?

Answer: Blue/green deployment

Blue/green deployments shift traffic from the original (blue) environment to the replacement (green) environment, reducing downtime and risk.

Which CodeDeploy lifecycle event hook runs BEFORE the application revision is downloaded to the instance?

Answer: BeforeInstall

The BeforeInstall hook runs before the application revision is downloaded, allowing you to prepare the instance for installation.

A team wants CodePipeline to trigger automatically when code is pushed to an S3 bucket. Which service should they use to detect the S3 change?

Answer: Amazon EventBridge

Amazon EventBridge can detect S3 object-level events and trigger CodePipeline automatically when new artifacts are uploaded.

Which AWS CodeBuild environment variable contains the full commit ID of the source version being built?

Answer: CODEBUILD_RESOLVED_SOURCE_VERSION

CODEBUILD_RESOLVED_SOURCE_VERSION contains the resolved commit ID of the source version used in the current build.

What is the purpose of an approval action in AWS CodePipeline?

Answer: Pauses the pipeline and waits for manual approval before proceeding

An approval action pauses pipeline execution and requires a designated reviewer to manually approve or reject before the pipeline continues.