What is AWS ECS, a service for launching Docker containers on AWS?

2021-03-08 2021-03-08

What is AWS ECS?

Amazon Elastic Container Service (Amazon ECS) is a

A service on AWS that supports Docker containers.

Enables containerized applications to run and scale easily on AWS.

Easily run and scale containerized applications on AWS
The AWS is a great place to run and scale containerized applications.

Amazon ECS can be used for container orchestration to

for both critical and non-critical loads.

To minimize costs, the

For non-critical workloads
Spot instances can be used
for non-critical workloads.

Using ECS is a secure, reliable and scalable way to run containers.

Need to provision and maintain EC2
AWS controls starting and stopping containers.
Can be integrated with ALB
With 3 EC2s
- EC2 ① = 2 containers
- EC2 ② = 3 containers
- EC2 ③ = 3 containers
  - When ECS picks up a request to start a container, it will assign the container to EC2① with low load.

Amazon ECS is available in different startup types

It determines the type of infrastructure on which tasks and services will be hosted.

And
Fargate startup type
and
EC2 startup type
can be selected from two options.

Using the Fargate bootstrap type, the

back-end infrastructure without the need to provision and manage it.
without the need to provision and manage back-end infrastructure.

Containerized applications can be run.

Simply register a task definition and Fargate will launch the container.

Docker can be used by installing Docker on EC2
Disadvantages include lack of auto-scaling, time-consuming version upgrades, and increased number of management targets