How to Implement Blue-Green Deployment in Your DevOps Workflow
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How to Implement Blue-Green Deployment in Your DevOps Workflow
Blue-Green Deployment is a powerful DevOps release strategy used to achieve zero-downtime deployments by maintaining two identical production environments, called Blue (current version) and Green (new version).
First, deploy the new version of the application to the Green environment while the existing version continues running in Blue. Perform testing, validation, and performance checks on Green without affecting active users. Once verified, switch the router/load balancer to direct live traffic from Blue to Green instantly. If any issues occur, rollback becomes easy by switching back to Blue, ensuring high availability, minimized risk, and smooth updates. Blue-Green deployment is widely implemented with Kubernetes, Jenkins, AWS Elastic Beanstalk, and Nginx load balancing for rapid, safe releases.
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