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Explore a blue/green deployment

At NovaTech, you're the release engineer for a checkout API running on 6 EC2 instances behind an Application Load Balancer. Use the deployment strategy explorer to compare how in-place and blue/green deployments work.

Step through each deployment strategy to see how traffic flows during the rollout. Pay attention to:

  • How many instances serve traffic at each stage.
  • What happens when a health check fails.
  • How long rollback takes for each strategy.

Question: During a blue/green deployment, what happens when CodeDeploy triggers an automatic rollback?

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Automating Deployments on AWS

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