Topography / DevOps

50 lessons and 282 connections between them, based on the cross-references in each lesson. Lines show references. For reading order, seethe DevOps track page.

• The Shipping Container (Docker)7 lessons link here
• Running a Container for Real10 lessons link here
• The Recipe (the Dockerfile)8 lessons link here
• Many at Once (compose & networking)5 lessons link here
• From One Crate to a Fleet (why Kubernetes)7 lessons link here
• The Harbor Master (pods, deployments, services)16 lessons link here
• Self-Healing & Autoscaling21 lessons link here
• Config, Secrets & Storage15 lessons link here
• Getting Traffic In (Services & Ingress)16 lessons link here
• Infrastructure as Code & GitOps8 lessons link here
• The Assembly Line (CI/CD)14 lessons link here
• The Watchtower (Observability)10 lessons link here
• Least Privilege & the 12-Factor App11 lessons link here
• Under the Hood (Kubernetes Internals)11 lessons link here
• AI/ML Ops - the deep-dive set1 lesson links here
• Company Platforms - Netflix / Spotify / Airbnb1 lesson links here
• The Two Planes - why AWS feels like 100 random things14 lessons link here
• The Badge Machine - IRSA end to end6 lessons link here
• OIDC - the Passport & the Stamp-Book7 lessons link here
• Why So Many Boxes? - Identity vs Permission8 lessons link here
• The Locked Filing Cabinet - folder-level S3 access8 lessons link here
• Lambda Cross-Account S3 Write - file sync4 lessons link here
• Regions, AZs & the Backbone2 lessons link here
• VPC & Subnets3 lessons link here
• Security Groups vs Network ACLs7 lessons link here
• IAM & Identity8 lessons link here
• Routing & Gateways1 lesson links here
• Load Balancing & DNS (the operator's half)3 lessons link here
• Pods, ReplicaSets & Deployments (the ownership chain)12 lessons link here
• Services & Ingress, from the inside7 lessons link here
• Connectivity (Joining Two Private Networks)0 lessons link here
• EC2 & Instances - what you are actually renting2 lessons link here
• nginx as a Reverse Proxy (what it is actually for)1 lesson links here
• Object Storage and the CDN5 lessons link here
• VM vs Kubernetes, and what a cluster actually is7 lessons link here
• The Sandbox Architecture0 lessons link here
• The cluster that won't sail (Kubernetes troubleshooting)1 lesson links here
• The Restore Nobody Tested1 lesson links here
• The Page at 3 a.m. (Incident Response)1 lesson links here
• Linux and the Shell: Processes, Files, Pipes, Permissions and Signals2 lessons link here
• Git: the ledger every change signs (commits, branches, merge and rebase)1 lesson links here
• One cargo plan, three ports1 lesson links here
• The rooms AWS runs for you1 lesson links here
• A harbour on your laptop1 lesson links here
• Where a ship may berth0 lessons link here
• The part someone else made1 lesson links here
• The bill nobody reads1 lesson links here
• Ship it: the line2 lessons link here
• Ship it: the sync2 lessons link here
• Ship it: the alarm1 lesson links here