Skip to content

AWS

Notes on the AWS services used day to day, as a subsection of DevOps & Tools — practical mechanics rather than a full service catalog.

Articles

  • AWS Lambda — serverless compute: handlers, cold starts, execution-environment statelessness, and common triggers.
  • AWS CDK — defining infrastructure as real code that synthesizes to CloudFormation.
  • AWS Cognito — User Pools (authentication) vs. Identity Pools (temporary AWS credentials), and when to use which.
  • Amazon S3 — object storage: keys vs. real directories, presigned URLs, event notifications, lifecycle rules.
  • Amazon SQS — batching, long polling, dead-letter queues, and the Lambda integration specifics.
  • Amazon CloudWatch — Logs and Logs Insights, Metrics and custom metrics, Alarms, and Lambda's automatic structured logging.

Contributing

Picked up something about another AWS service worth keeping? Add it here as its own file. See Contributing for the how-to.