Other Compute Services

Question 1

Amazon ECS

Answer 1

Elastic container service

• Docker containers on AWS
• You provision the EC2s
• AWS starts and stops containers
• Integrates with ALB

Question 1

Docker

Answer 1

• Software development platform to deploy apps
• Packaged as containers that can run on any OS
• Apps run the same no matter
• • any machine
• • no compatibility issues
• • predictable behavoir
• • less work
• • easier to maintain and deploy
• • works with different languages, OSes
• scale up and down quickly

Question 2

Amazon Fargate

Answer 2

• Docker containers on AWS
• You don’t provision the EC2s
• serverless
• AWS runs containers based on CPU/RAM

Question 3

Amazon ECR

Answer 3

Elastic container registry

• private docker registry on AWS
• Store docker images for ECS or Fargate

Question 4

AWS Lambda

Answer 4

• Virtual functions - no servers
• limited by time - short executions
• run on-demand
• scaling is automated
• Pay per request & compute time
• Integrated with other AWS services
• event-driven
• CloudWatch

Uses: Create thumbs for S3 images, Run serverless cron

Question 5

AWS Lambda language support

Answer 5

• Node.js (Javascript)
• Python
• Java (Java 8)
• C# (.NET Core)
• Golang
• C# / Powershell
• Ruby
• Custom runtime API (Rust)
• Lambda container image
• • must use lambda runtime API
• • ECS / Fargate preferred

Question 6

Amazon API Gateway

Answer 6

fully managed service for developers to create, publish, maintain, monitor, secure APIs

• Serverless / scalablel
• Supports RESTful and WebSocket APIs
• Support for security, user auth, API throggling, API keys,

Question 7

AWS Batch

Answer 7

Batch processing at scale

• run 100ks of batch jobs
• each job has start and end
• batch will launch EC2 / Spot instances
• provisions right amount of memory/compute
• Batch jobs are docker images that run on ECS

Question 8

Batch versus Lambda

Answer 8

Lambda:
* time limit
* limited runtimes
* limited temp disk
* serverless

Batch
* no time limit
* any runtime that’s a docker image
* EBS / instance store for space
* Relies on EC2

Question 9

Amazon Lightsail

Answer 9

Virtual servers, storage, databases, and networking

• Low & predictable pricing
• simpler alternative to EC2, RDS, ELB, etc.
• Great for those with little cloud experience
• Can set up notifications and monitoring
• • simple web apps
• • websites (wordpress, magneto)
• • dev/test environments
• HA but no autoscaling