AWS ECS Fundamentals: Clusters and Launch Types

A logical grouping of tasks/services. Infrastructure-agnostic.

Management:

• Fargate: Serverless, AWS handles the servers.
• EC2: You manage EC2 instances.

Pricing:

• Fargate: Pay per vCPU/memory.
• EC2: Pay for instances + reservations.

Use Case:

• Fargate: Ideal for simple, quick setups.
• EC2: Best for custom hardware and cost control.

Scaling:

• Fargate: Automatically scales via service.
• EC2: Scales through Auto Scaling groups.

As of 2025, Fargate offers better isolation; EC2 for flexibility.

Console: ECS > Clusters > Create > Fargate (networking only).

CLI:

aws ecs create-cluster --cluster-name my-cluster

Delete after to avoid costs: aws ecs delete-cluster --cluster my-cluster

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