Which solution will meet these requirements?
Deploy the application on an Amazon EC2 instance and create an AMI of this instance. Use this AMI to create an automatic scaling launch configuration that is used in an Auto Scaling group. Use an Elastic Load Balancer to distribute traffic. When changes are made to the application, a new AMI will be created, which will initiate an EC2 instance refresh.
Use Amazon Lightsail to deploy the application. Store the application in a zipped format in an Amazon S3 bucket. Use this zipped version to deploy new versions of the application to Lightsail. Use Lightsail deployment options to manage the deployment.
Use AWS CodeArtifact to store the application code. Use AWS CodeDeploy to deploy the application to a fleet of Amazon EC2 instances. Use Elastic Load Balancing to distribute the traffic to the EC2 instances. When making changes to the application, upload a new version to CodeArtifact and create a new CodeDeploy deployment.
Use AWS Elastic Beanstalk to host the application. Store a zipped version of the application in Amazon S3, and use that location to deploy new versions of the application using Elastic Beanstalk to manage the deployment options.
Explanations:
While this option sets up blue/green deployment using Auto Scaling and an Elastic Load Balancer, it doesn’t directly support A/B testing. A/B testing typically requires more granular traffic management than an EC2 instance refresh provides.
Amazon Lightsail is a simpler solution for smaller applications and doesn’t provide robust support for blue/green deployments or A/B testing in the way that EC2 or more advanced services like Elastic Beanstalk or CodeDeploy do.
AWS CodeArtifact is a repository service for managing software packages, not for deployment. AWS CodeDeploy can handle blue/green deployments, but this solution lacks A/B testing capabilities and the process is not as streamlined for the use case described.
AWS Elastic Beanstalk is a fully managed service that supports blue/green deployments and can integrate with Amazon S3 for application storage. It provides built-in deployment options, including the ability to easily manage new versions and handle A/B testing via environment configurations.
I map out that the answer is:
Use AWS Elastic Beanstalk to host the application. Store a zipped version of the application in Amazon S3, and use that location to deploy new versions of the application using Elastic Beanstalk to manage the deployment options.