release-engineering
2 free lessons tagged release-engineering across Programming. Each one is a short sequence of focused steps with narration and a five-question quiz at the end — take them in any order, no signup required.
Why Deploys Break Things, and the Strategies That Answer It
Deploying is the moment a working system is replaced by a different one while people are using it. This lesson covers what actually goes wrong at that moment, the research finding that shipping fast and shipping safely are not opposites, and the four deployment strategies as answers to one question: how many users meet a bad version before you find out.
Feature Flags: Separating Deploy From Release
A feature flag turns shipping code and exposing behaviour into two independent decisions, which is what lets a team deploy continuously while releasing on someone else's schedule. This lesson covers the four kinds of flag and their very different lifespans, the debt they accumulate, and the discipline that keeps a flag system from becoming untestable.