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Answer: Blue/Green deployments using Amazon EC2
Blue/Green deployments allow for immutable infrastructure by ensuring that new instances are provisioned and fully configured in a separate environment before traffic is routed to them. This approach avoids changes to existing, running instances and supports quick rollback if needed.
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A company is deploying a new application on AWS and wants to ensure that it adheres to the principle of immutable infrastructure. Which deployment strategy should they use?
A
In-place updates with AWS CodeDeploy
B
Blue/Green deployments using Amazon EC2
C
Manual replacement of EC2 instances
D
Use of AWS Elastic Beanstalk rolling updates