Blue/Green Feature Flags: Combining Operational and Development Best Practices to Achieve Progressive Delivery

AWS has introduced improvements to their continuous delivery offerings for AWS Fargate and Amazon ECS, allowing users to configure blue/green deployments using AWS CodeDeploy. This enhances Progressive Delivery capabilities. While both blue/green deployment and feature flagging are best practices that minimize risk during infrastructure or application changes, they serve different purposes. Blue/green deployment is an operational practice for changing infrastructure safely, while feature flagging is a development practice for altering any part of the application with minimal risk. Combining these two strategies allows for continuous delivery of value to customers with reduced risk.