An on-prem Go application must be moved to AWS. The dev team wants blue/green deployments and A/B testing capability. Which solution meets these requirements?
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Correct answer: Host the application on AWS Elastic Beanstalk, store a zipped application bundle in S3, and use Elastic Beanstalk’s deployment strategies (including blue/green) to manage releases..
Why this is the answer
Elastic Beanstalk directly supports blue/green deployments and A/B testing through its deployment strategies, making it the most suitable choice for the stated requirements. It simplifies the deployment and management of applications, allowing developers to focus on code. The application bundle can be easily stored in S3. The EC2/AMI approach requires significant manual effort to implement blue/green deployments and A/B testing, as these features are not natively provided by EC2 instance refreshes alone. Lightsail is a simplified platform primarily for basic web applications and does not offer the advanced deployment strategies or A/B testing capabilities required. CodeArtifact is a package repository and CodeDeploy is a deployment service; while they can be part of a deployment pipeline, CodeDeploy alone doesn't inherently provide the full blue/green and A/B testing framework as easily as Elastic Beanstalk.
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