ECS Architecture

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Useful Links:
Exam Tips:
- Windows container host:
  - NAT is only supported networking mode.
- Container definition:
  - where a container is
  - which port to use
- Task definition:
  - Resources
  - Networking
  - Instance type - EC2 vs Fargate
  - The task role, what it does.
    - IAM Role
- Service:
  - How many copies
  - HA
  - Restarts
- Use Case:
  - If you use containers = ECS
  - Large workload - price conscious = EC2 Mode
  - Large workload - overhead conscious = Fargate
  - Small / Burst workloads = Fargate
  - Batch / Periodic workloads = Fargate