Containers

Context for this doc: Assume you have a Docker container.

AWS Documentation - Containers

• Choosing an AWS container service

• Image

Sam

AWS container services (not exhaustive)

• ECR: Elastic Container Registry (store)

• ECS: Elastic Container Service (orchestration)

  • Compute#Fargate (compute)

Flow (containers):

1. ECR → Store C's images

2. ECS → Orchestrates which Cs to run & where

   1. Fargate → Compute engine that executes containers

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ECR & ECS

ECR

• is: a fully managed Docker container registry

• purpose: where devs store + manage + deploy Docker container images.

ECR

• integrates with ECS to simplify dev ⟶ prod workflow

• hosts images in a highly scalable architecture

• 0 upfront fixed costs, pay for data you store

ECS

• is: a container orchestration service

• purpose: enables running containerized apps on AWS

API calls lets you

• launch & stop Docker-enabled apps

• query app's complete state

• access other features

ECS eliminates need to manage/scale clusters of VMs, and also schedule containers on those VMs.