Write an ADR for Region Choice
Write an architecture decision record for an infrastructure choice with tradeoffs.
Document why production runs in eu-west-1 even though many users are in the US. Context -> decision -> status -> consequences Leaving architectural rationale in Slack makes future teams choose between blind acceptance and blind reversal. Context State the forces: EU data residency contract, 120 ms median US latency, available managed services, and disaster recovery roadmap. Context should describe facts and tensions without selling the decision. Decision Write the active choice: We will run production primary in eu-west-1 for launch. The decision should be specific enough that a future reader knows what was chosen. Consequences List positive, negative, and neutral…
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