One Dev Environment for Humans, Agents and CI
For years, “works on my machine” was a two-audience problem. A human ran the code on their laptop, a CI runner ran it in a clean VM, and most of the engineering effort around dev environments was about closing the gap between those two. We got pretty good at it. Lockfiles, container images, build matrices, hermetic toolchains. By 2024 a serious team could plausibly claim that a green…