C4 model of a food-delivery platform

Views in this map

1. 1
   System contextWho uses Forkway and the outside systems it depends on.
2. 2
   ContainersThree apps behind one gateway, four services, their stores and the event bus.
3. 3
   Order serviceInside the order service: checkout, pricing and the order’s state machine.
4. 4
   Dispatch serviceInside dispatch: how a ready order finds a courier and an ETA.

Context ▸ Containers ▸ Components

Flows to play

• ▷
  An order, end to endThe same order at the level of the whole system.
• ▷
  Place an orderFrom the diner’s tap to a courier on the way.
• ▷
  CheckoutOne checkout call through the order service’s components.
• ▷
  Assign a courierFrom OrderReady to a courier on the way.

The model behind it

51 records of 7 types. Every box on the map is one of them, so the filters and the record panel read the same data.

• Containers 16
• Components 14
• External systems 6
• Teams 5
• Deployment nodes 5
• People 4
• Software system 1

Filters

Team and Technology: pick a value and everything else fades.