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How can a developer deploy new code and update the Node.js platform version on an AWS Elastic Beanstalk environment with zero downtime?
A
Clone the production environment to a different platform version, deploy and test the new code, then swap URLs upon successful verification.
B
Deploy the new code in an all-at-once manner to existing EC2 instances, and revert to the old code if the new deployment fails verification.
C
Use an immutable update to deploy the new code to new EC2 instances, routing traffic to them post-health check clearance.
D
Implement a rolling deployment of the new code on a subset of EC2 instances, expanding it upon test success or reverting if tests fail.
