Amazon_ECS_3
ECS cluster is based on EC2 instances that are registered with the clusters. Cluster without registered instances is idle and cannot execute any tasks.
Remediation option 1: Delete the idle ECS Cluster Remediation option 2: Register instances with the ECS Cluster The following guide explains the ECS EC2 Instances concept:
Remediation option
1: Delete the idle ECS Cluster Remediation option
2: Register instances with the ECS Cluster
The following guide explains the ECS EC2 Instances concept: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ECS_instances.html
