ECS service runs a single task (no redundancy)

What it checks

ECS service runs a single task (no redundancy)

Where it applies

Terraform: aws_ecs_service

CloudFormation: AWS::ECS::Service

How to fix it

1. Set desired_count = 2 (or 3 for AZ-aware spread). Verify the task definition's CPU/memory leave room for two concurrent tasks on the cluster.

Frameworks

• AWS Well-Architected REL.7

These mappings are advisory, not an attestation of compliance.

Vendor documentation

All rules