Tag: architecture

All the articles with the tag "architecture".

• “Exactly once” is a lie

  11 Sep, 2026

  “Exactly-once delivery” is a promise no broker can keep. What you actually get — and can build on — is at-least-once delivery plus idempotent consumers.

• The dual-write problem & the outbox pattern

  8 Sep, 2026

  Saving to your database and publishing a message look like one step. They're two, and the gap between them is where you lose data. The outbox pattern closes it.

• Observability as a first-class concern

  7 Sep, 2026

  Observability isn't an ops bolt-on you add after go-live — it's an architectural decision you make at design time, or pay for in the dark later.

• Feature flags as an architectural tool

  4 Sep, 2026

  A feature flag looks like an if statement with a dashboard. It's really an architectural decision — you've split deploy from release and made it reversible.