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AWS Certified DevOps Engineer - Professional · AWS
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Codedploy: launches a second fleet (green environment) with the same capacity as the original it keeps the original fleet unchanged while launching the new one switches traffic to the new fleet only after it's fully ready. uatomatically terminates the original (blue) fleet after a 1hour waiting period — exactly as needed
Key words: EC2 for CodeDeploy, Elastic Beanstalk for CodePipeline.
Option B would require more manual intervention and configuration, making it a less optimal solution compared to the seamless blue/green deployment and automatic fleet termination provided by Option C. Option D involves unnecessary complexity around setting ALB deletion policies, and while immutable deployments offer zero-downtime updates, they don't fully meet the core requirements of automatic traffic shifting and fleet termination