https://tradeofflore.com/blog/ Practitioner write-ups on payments architecture, release engineering and ledger design. en https://tradeofflore.com/blog/never-reuse-a-release-tag/https://tradeofflore.com/blog/never-reuse-a-release-tag/Wed, 07 Oct 2026 00:00:00 GMTWhy a reused Docker image tag slips past Kubernetes, when reusing a deleted release's tag is safe, and what a release pipeline should enforce instead. https://tradeofflore.com/blog/payment-releases-break-in-production/https://tradeofflore.com/blog/payment-releases-break-in-production/Sun, 27 Sep 2026 00:00:00 GMTWhy payment releases that pass integration and acceptance tests still break in production: config drift between environments that different teams own. https://tradeofflore.com/blog/idempotency-keys-payments/https://tradeofflore.com/blog/idempotency-keys-payments/Tue, 15 Sep 2026 00:00:00 GMTHow idempotency keys stop payment retries from double-charging — and why the key has to be enforced at the ledger write, not just cached at the API gateway.