BlogECS Managed Daemons — Verifying Startup Order Guarantees and Rolling DeploymentsVerified ECS Managed Daemons on Managed Instances. Daemons start 18-21 seconds before app tasks, and rolling deployments complete in ~5 minutes with zero downtime.April 2, 20267 min readinfrastructure#aws#ecs#managed-instances+1
TILECS Managed Instances daemons require a dedicated IAM policyIf ECS Managed Daemons won't start, check that the instance profile uses AmazonECSInstanceRolePolicyForManagedInstances. The legacy AmazonEC2ContainerServiceforEC2Role won't work.April 2, 20261 min read#aws#ecs#managed-instances+1