Amazon ECS

Amazon Elastic Container Service (ECS)
- Launch Type
  - EC2
    - must provision and maintain the infrastructure
  - Fargate
    - serverless
- EC2 instance profile (EC2 launch type)
  - used by the ECS Agent
  - make API calls to ECS services
  - send container logs to CloudWatch logs, pull image from ECR
  - reference sensitive data in Secrets Manager or SSM Parameter Store
- ECS Task Role
  - allows each task to have a specific role
  - defined in the task definition
- Load Balancer
  - ALB is just OK
  - NLB - AWS PrivateLink
- ECS Data Volume
  - EFS
  - Fargate + EFS = serverless
- ECS Auto Scaling - task level
  - Target Tracking - a specific cloud-watch metric
  - Step Scaling - a specific cloud-watch alarm
  - Scheduled Scaling
- ECS tasks invoked by EventBridge (schedule)
AWS Fargate
- amazon’s own serverless container platform
- works with ECS and EKS
Amazon ECR (Elastic Container Registry)
- https://gallery.ecr.aws
Amazon Elastic Kubernetes Services (EKS)
- EC2 or fargate
- managed node groups & self-managed nodes
- data volumes
  - StorageClass
  - CSI compliant driver
- collect logs and metrics using cloud-watch container insights
Amazon AppRunner - Serverless
- deploy web applications and APIs at scale
- no infra experience required
- automatically builds and deploy the web app
- automatic scaling, HA, LB, encryption
- VPC access support