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Operating Blue Canoe

Building a system is only part of the work. We also have to establish what its tests prove, observe how it behaves and change it without losing track of what was working before.

This strand follows that work: the joins between components, the less convenient failure cases, and the evidence that lets us trust an ordinary day's operation. It runs alongside Building Blue Canoe, because building and operating do not wait politely for one another to finish.

  1. The Test Has to Cross the BoundaryWhy a passing function test cannot prove a database transaction, a payment journey or a working service.
  2. The Other Mail Server Has to Prove It TooWhat controlled delivery rehearsals established on Blue Canoe's two mailbox nodes, and what they did not.
  3. One Green Report Is Only One DayGiving Blue Canoe's daily mail reports a history while keeping publication small and recoverable.