Set C · 6 sheets
Hosting, stamps, telemetry, flags, cost sheets and infrastructure that is written down.
C-01 Cloud & Operations
In 2014 the choice was a Cloud Services role, the new Azure Websites, or a virtual machine you patched yourself. Container Apps eventually put a rung in the middle of the ladder, and that is where most small teams should stand.
Drawn Sep 2014·Revised Feb 2026·8 min
C-02 Cloud & Operations
A stamp is a unit of scale and a unit of blast radius. The second property is the one that pays for the first.
Drawn Jul 2021·Revised Sep 2025·8 min
C-03 Cloud & Operations
A trace without the tenant id is a trace you cannot filter during an incident. Put it in baggage once at the edge, copy it to every span, and make it survive the queue.
Drawn Mar 2018·Revised May 2026·8 min
C-04 Cloud & Operations
A flag is a switch you intend to remove. An entitlement is a promise you intend to keep. Mixing them is how a pricing rule ends up in a config store.
Drawn Jun 2022·Revised Nov 2025·7 min
C-05 Cloud & Operations
Cost per tenant is an allocation, not a measurement. The rules of the allocation are a product decision, and finance will treat the first number you give them as the truth.
Drawn Nov 2023·Revised Jul 2026·7 min
C-06 Cloud & Operations
One module, four parameter files, and a what-if that a human actually reads. Everything else is how environments drift apart.
Drawn Nov 2016·Revised Aug 2025·7 min