====== ECS Cluster ======

**What it is:** A logical grouping of ECS capacity (EC2 instances or Fargate) where tasks run.

**What it’s for:**
  * Organize services and tasks in a shared environment.
  * Scale and manage workloads together.

**Key ideas:**
  * A cluster contains services and tasks.
  * Capacity is provided by EC2 instances or Fargate.

**Hard words:**
  * *capacity* /kəˈpæsəti/: năng lực tài nguyên
  * *workload* /ˈwɝːkloʊd/: khối lượng công việc