TABLE OF CONTENTS
Overview
Below are diagrams that illustrate the technical architecture of Stack Internal.
Authentication and authorization diagram
Shows both the user-auth path and the machine-to-machine authorization relationships currently visible in overlays and repository metadata.
C4 system context diagram
Shows Stack Internal in the classic C4 system-context style.
Data and eventing topology diagram
Shows how services, their databases, outbox monitors, and shared event transports fit together at runtime.
Event flows diagram
Shows Stack Internal in the classic C4 system-context style.
Infrastructure HADR diagram
Shows the current regional failover posture, edge entry points, and shared data-plane resources used by Stack Internal.
Service container diagram
Shows one focused C4-style container diagram per Stack Internal service so each runtime boundary stays readable.
Traffic flows diagram
Shows the current traffic flows grouped into Web, API, and MCP ingress families.