aws dop-c02 - notes

ECR

• ECR Cache Rule https://docs.aws.amazon.com/AmazonECR/latest/userguide/pull-through-cache-creating-rule.html ### Fault Injection Service (AWS FIS) experiment， These experiments stress an application by creating disruptive events so that you can observe how your application responds. https://docs.aws.amazon.com/fis/latest/userguide/what-is.html

lightsail vs beanstalk

• lightsail, Simple applications, small-scale deployments https://docs.aws.amazon.com/decision-guides/latest/lightsail-elastic-beanstalk-ec2/lightsail-elastic-beanstalk-ec2.html

AWS Config

• conformance pack, a collection of AWS Config rules and remediation actions that can be easily deployed as a single entity in an account and a Region or across an organization in AWS Organizations. https://docs.aws.amazon.com/config/latest/developerguide/conformance-packs.html

CodeDeploy

• List of lifecycle event hooks for an Amazon ECS deployment
  • *BeforeInstall AfterInstall AfterAllowTestTraffic BeforeAllowTraffic AfterAllowTraffic *

https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-structure-hooks.html

SQS

• SQS Dead-Letter Queue, useful for debugging your application because you can isolate unconsumed messages to determine why processing did not succeed. https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-dead-letter-queues.html

EC2 Image Builder

• fully managed AWS service that helps you to automate the creation, management, and deployment of customized, secure, and up-to-date server images.

ALB vs NLB

• Both support websocket.
• ALB stickiness,Uses HTTP/HTTPS cookies to bind user sessions to specific targets.