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title: “Learnings — DevOps” created: 2026-07-20 updated: 2026-10-28 type: knowledge tags:

  • aws
  • certification
  • devops

DevOps

Atomic notes on AWS DevOps — CI/CD, CodePipeline, CodeBuild, CodeDeploy, Infrastructure as Code.

Notes

  • [[aws-cli-s3-commands]] — High-level S3 CLI commands (cp, ls, sync), permissions mapping
  • [[ssm-session-manager]] — Secure shell access to EC2 without SSH, audit logging
  • [[cloudfront-s3-cli-cheat-sheet]] — Acronyms (OAC, OAI, ACM…) + CLI commands for the S3/CloudFront deploy (Phase 1)
  • [[route53-acm-cloudfront-custom-domain-cheat-sheet]] — Acronyms (CNAME, apex, AAAA, Alias…), Route 53 record properties, and commands for the custom-domain flow (Phase 2)

Runbooks

  • [[deploy-static-site-s3-cloudfront-oac]] — Build + deploy the mdBook site to S3 + CloudFront + OAC (Phase 1, CLI)
  • [[deploy-custom-domain-route53-acm-cloudfront]] — Register the domain in Route 53, ACM cert (us-east-1), attach to CloudFront, apex Alias (Phase 2, console)

Decisions (ADR)

  • [[adr-001-infra-tooling-static-site]] — Infra tooling for the mdBook static site: CLI learning pass, then CDK