This is a good solid write-up of techniques that I think are emerging as best practices generally for high scale, complex sites. The approach described matches what we do at Eventbrite pretty closely, and I know companies like Etsy and Slack use the same kind of process.<p>Feature flags in particular are a very powerful tool for managing feature releases independent of the deploy cycle. Here&#x27;s a good recent article that dives into those in more detail: <a href="http:&#x2F;&#x2F;martinfowler.com&#x2F;articles&#x2F;feature-toggles.html" rel="nofollow">http:&#x2F;&#x2F;martinfowler.com&#x2F;articles&#x2F;feature-toggles.html</a>