Containers

Question 1

What is ECS (elastic container service)?

Answer 1

ECS is a container service for deploying and managing docker containers

Question 2

What do we use ECS (elastic container service) for?

Answer 2

ECS helps you manage the deployment, scaling, and orchestration of these containers (don’t need to worry about underlying infrastructure)

Question 3

What is EKS?

Answer 3

Managed kubernetes service

Question 4

What do we use EKS (elastic kubernetes service) for?

Answer 4

Useful if you are already familiar with EKS

Question 5

What is ECR (elastic container registry)?

Answer 5

Elastic Container Registry

Question 6

What do we use ECR (elastic container registry) for?

Answer 6

ECR is used to STORE containers (images).

Create a container imagein -> push to ECR -> orchestration service (ie., EKS, ECS)

Question 7

Are ECS, EKS and ECR designed to work seamlessly with Docker?

Answer 7

Yes

Question 8

Is a question about transitioning from a monolithic to microservice a hint the answer will be related to containers?

Answer 8

Yes

Question 9

Where are the 2 places you can deploy your apps?

Answer 9

• On EC2 instances
• On Fargate (serverless)

Question 10

Which is the quickest option to get an app up and running, if you already know Kubernetes: ECS, ECR or EKS?

Answer 10

EKS

Question 11

What should you use if you want to run and manage containers (e.g., Docker containers) in a highly scalable and easy-to-manage environment?

Answer 11

ECS

Question 12

What should you use if you need a secure and managed repository to store and manage your container images?

Answer 12

ECR

Question 13

What should you use when you want to run Kubernetes clusters in a managed and scalable manner on AWS.

Answer 13

EKS

Question 14

What is the benefit of the EKS CLI tool?

Answer 14

EKS CLI took simplifies the administration and operation of EKS clusters through text-based command

Question 15

What is a node group in EKS?

Answer 15

It is where we are putting our EC2 instance that includes software to run containers (nodes)

Question 16

Learn EKS key components

Question 17

What is the most efficient way to give an IAM user access to 10 separate registries to push or pull Docker images?

Answer 17

Create 1 IAM policy that grants the appropriate access to the ECR service and obtain 5 authorization tokens to access each registry

Question 18

A company uses AWS, but is only experimenting with container orchestration.

Which management service that supports Docker microsevices can the company adopt that won’t require learning a new container management system?

Answer 18

ECS

Question 19

A company wants AWS to manage the host instances and containers are much as possible, but are willing to manage both if necessary.

The company has apps managed with Kubernetes and hosted on windows.

Name 2 options for this company

Answer 19

EKS with self-managed nodes

or

EKS on AWS Fargate

Question 20

Can fargate work with EKS or ECS?

Answer 20

Yes

Question 21

A company wants to migrate to a managed kubernetes app on the cloud that will be hosted on ON-PREMISES Windows virtual servers.

What is the best option?

Answer 21

EKS

You would thine EKS on Fargate, but because

Question 22

Why would you not run 3 docker containers together on your Docker host in production?

Answer 22

Because changes to 1 container can impact all 3 containers

Question 23

How does a developer know the deployment of a web app on ECS using CodeDeploy

Answer 23

Blue/Green

(this is a whole load of other compute nodes that we can use to test etc)