Tag: delivery

All the articles with the tag "delivery".

• Shadow mode as a default, not a luxury

  9 Oct, 2026

  Run the new implementation beside the old on real traffic, with every side effect suppressed. Contract tests prove the shape; shadow mode proves behaviour.

• 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.