Commit 2269fed1 authored by Saroj Kumar Mahato's avatar Saroj Kumar Mahato
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update README.md

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# Blue-Green deployment
A blue/green deployment is a deployment strategy in which you create two separate, but identical environments. One environment (blue) is running the current application version and one environment (green) is running the new application version. Using a blue/green deployment strategy increases application availability and reduces deployment risk by simplifying the rollback process if a deployment fails. Once testing has been completed on the green environment, live application traffic is directed to the green environment and the blue environment is deprecated.
## [Ref](https://docs.aws.amazon.com/whitepapers/latest/overview-deployment-options/bluegreen-deployments.html)
A blue/green deployment is a deployment strategy in which you create two separate, but identical environments. One environment (blue) is running the current application version and one environment (green) is running the new application version. Using a blue/green deployment strategy increases application availability and reduces deployment risk by simplifying the rollback process if a deployment fails. Once testing has been completed on the green environment, live application traffic is directed to the green environment and the blue environment is deprecated. [ref](https://docs.aws.amazon.com/whitepapers/latest/overview-deployment-options/bluegreen-deployments.html)
## Usage
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