ACME-2020: Story for Checkout Service reliability improvement 20
Date: 2026-01-17 Type: Story Priority: P1 Service: Checkout Service Owner: Commerce Platform GitHub References: GH-2020, GH-2001 API References: API-CHECKOUT-01, API-CHECKOUT-02, API-CHECKOUT-03, API-CHECKOUT-04
Business Context
Acme Commerce depends on the Checkout Service to protect customer trust during high-volume shopping periods. This ticket captures engineering work needed after operational reviews found risk from stale cache entries surviving a blue-green release.
Scope
- Review service contract behavior against API-CHECKOUT-01.
- Update dashboards and alerts owned by Commerce Platform.
- Coordinate rollout with the teams that operate Authentication Service, Checkout Service, Billing Service, Inventory Service, and Notification Service.
- Link implementation work to GitHub items GH-2020, GH-2001.
Definition of Done
- Tests cover nominal, timeout, replay, and malformed payload scenarios.
- Runbook steps are updated and validated in staging.
- Incident review owners can cite this ticket as remediation evidence.