Question

A DevOps engineer operates a web application deployed on an Amazon Elastic Container Service (Amazon ECS) service behind an Application Load Balancer (ALB). Recent service updates caused application downtime because of problems in the application code. The DevOps engineer must design a solution that tests updates with a small portion of traffic before deploying to the remainder of the service. Which solution meets these requirements?

Accepted Answer

B. Update the ECS service to use AWS CodeDeploy as the deployment controller. Create a second target group for the ALCreate a CodeDeploy application and deployment group for the application. Use CodeDeploy to deploy updates by using the CodeDeployDefault.ECSCanary10Percent15Minutes deployment configuration.

Answer

Create a new pipeline in AWS CodePipeline. Connect the pipeline to an AWS CodeConnections compatible Git repository. Configure the pipeline with an ECRBuildAndPublish action and an Amazon ECS standard deployment action. Configure the ECS service to use the rolling update deployment type.

Answer

Create a new AWS CodeBuild project that uses AWS Lambda compute and that includes an IAM role that has permissions to update the ECS task definition. Update the project buildspec file to call the Amazon ECS RegisterTaskDefinition API for deployments. Configure the ECS service to use the rolling update deployment type.

Answer

Create a new AWS CodeBuild project. Connect the project to an AWS CodeConnections compatible Git repository. Create a buildspec.yml file in the Git repository that contains commands to call the Amazon ECS UpdateService API. Set a slow start duration of 2 minutes on the ALB target group.