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20.8.2025 | LCloud
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Blue/green deployment

Blue/green deployment is a deployment method in AWS CodeDeploy where the existing environment (blue) is replaced with a new, separate environment (green). The new version of the application is deployed on a distinct set of Amazon EC2 instances or containers, and after verifying proper functionality, user traffic is redirected from the current environment to the new one.

This approach minimizes the risk of errors during deployment, allows for easy rollback in case of issues, and ensures smoother application updates without downtime.