Section 18: Containers on AWS:ECS, Fargate , ECR & EKS

Question 1

Where are docker images stored?

Answer 1

1) Docker images are stored in Docker Repositories

2) Docker Hub
- Public repository

3) Amazon ECR (Amazon Elastic Container Registry)
- Private Repository
- Public repository

Question 2

Name few Docker Containers Management on AWS

Answer 2

1) Amazon Elastic Container Service (Amazon ECS)
- Amaozn’s own containerr platform
2) Amazon Elastic Kubernetes Service (Amazon EKS)
- Amazon’s managed Kunernetes
3) AWS Fargate
- Works with ECS and with EKS
4) Amazon ECR
- Store container images

Question 3

Amazon ECS - EC2 Lanuch Type

Answer 3

• ECS = Elastic Container Service
• Launch Docker containers on AWS = Lanuch ECS Tasks on ECS Clusters
• EC2 Launch Type: you must provision & maintain the infrastructure(the EC2 instances)
• Each EC2 instance must run the ECS Agent to register in the ECS Clustser
• AWS takes care of starting/stopping containers.

Question 4

Amazon ECS - Fargate Launch Type

Answer 4

• Launch Docker containers on AWS
• You do not provision the infrastructure
• Its all Serverless!
• You just create a task definitions
• AWS just runs ECS Task for you based on the CPU/RAM you need
• To scale, just increase the number of tasks

Question 5

Amazon ECS - Data Volumes (EFS)
P200

Answer 5

• Its a file system which can be mounted onto ECS tasks.
• Works for both EC2 and Fargate launch types
• Fargate + EFS = Serverless
• Use cases: persistent multi-AZ shared storage for your containers
• Note: Amaozon S3 cannot be mounted as a file system