CI/CD Pipelines on AWS Flashcards

Which CodeDeploy deployment configuration deploys to one instance at a time, stopping if any instance fails?

Answer: CodeDeployDefault.OneAtATime

CodeDeployDefault.OneAtATime deploys to one instance at a time and stops the deployment if any instance fails, minimizing risk.

In AWS CodePipeline, which source provider allows you to trigger a pipeline from an Amazon ECR image push?

Answer: Amazon ECR

Amazon ECR is a supported source provider in CodePipeline, enabling pipelines to trigger automatically when a new container image is pushed.

What does the appspec.yml file control in an AWS CodeDeploy deployment?

Answer: How CodeDeploy maps source files to destinations and lifecycle event hooks

The appspec.yml file specifies file mappings and lifecycle event hooks that CodeDeploy uses during a deployment.

Which feature of AWS CodeBuild allows you to cache dependencies to speed up future builds?

Answer: Build caching

CodeBuild's build caching stores reusable build components such as dependencies in S3 or locally, reducing build times for subsequent runs.

Which AWS service can be used as a source stage in CodePipeline to store and version Git repositories?

Answer: AWS CodeCommit

AWS CodeCommit is a fully managed source control service that hosts secure Git-based repositories and integrates as a CodePipeline source.

Which CodePipeline action type allows you to invoke an AWS Lambda function as part of the pipeline?

Answer: Invoke

The Invoke action type in CodePipeline lets you call a Lambda function to perform custom processing within the pipeline.