Did you know that changing network configurations for Amazon ECS services using blue/green deployment with AWS CodeDeploy requires a specific approach? According to recent findings, editing the AppSpec file and triggering a new deployment is the solution. This method allows you to update network settings without recreating the entire ECS service or giving up on making changes.

Source: https://dev.to/aws-builders/how-to-change-network-configurations-for-bluegreen-amazon-ecs-services-42de