Field notes

Write-ups of systems that run in production: what was built, why it was built that way, and what the numbers showed.

• 25 September 2026 13 min read

  The payment row is the outbox

  Moving payment processing out of web requests and onto GoodJob and Postgres, with the payment record as the durable intent, jobs that can be replayed by payment ID, and the numbers from a load test of the result.

  • payments
  • rails
  • goodjob
  • postgres
  • outbox