how to implement blue green deployment

Question

what is blue green deployment and how to implement blue green deployment in aws

Jayraj Chhaya · Answer

Blue-Green Deployment is a deployment strategy that allows you to release updates without downtime. In this approach you have two identical environments one blue (production) and one green (new version). To implement Blue-Green Deployment in AWS you can use services like AWS Elastic Beanstalk AWS CodeDeploy or AWS CloudFormation. For example with AWS Elastic Beanstalk you can easily set up Blue-Green Deployment by configuring environment settings. When you deploy a new version Elastic Beanstalk creates a new environment (green) with the updated version. Once the green environment is ready you can swap the URLs to direct traffic from the blue to the green environment seamlessly. This strategy ensures minimal downtime and allows you to roll back quickly if any issues arise during deployment. AWS provides various tools and services to simplify the implementation of Blue-Green Deployment making it a popular choice for continuous delivery and ensuring high availability of applications. To implement blue-green deployment in AWS you can utilize services like AWS Elastic Beanstalk or AWS CodeDeploy. These services allow you to set up separate environments (blue and green) with identical configurations. Here's a high-level overview of the process: Set up Environments : Create two identical environments - blue and green. Deploy Application : Deploy your application to one of the environments (let's say blue). Testing : Conduct thorough testing on the blue environment. Switch Traffic : Once testing is successful route traffic from the current production environment (blue) to the new environment (green). Validation : Verify that the green environment is functioning correctly. Rollback (if needed) : In case of issues you can easily switch back to the blue environment. By following these steps and leveraging AWS services you can effectively implement blue-green deployment in your AWS environment.