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Declaring Environments: Compose, Nix, and the Agent Boundary
A predictable, lightweight, automatic environment sounds like one idea. It's actually three families of tooling operating at different layers. This episode walks the line between Docker Compose and infrastructure as code, then asks the question underneath both: is this a container, or does it have to be a VM? Drawing on Docker's own documentation, numtide, Flox, Freestyle, and the devcontainer spec, we separate reproducible run-time environments from reproducible builds, lay out container orchestration, IaC, and declarative package managers as distinct approaches, and trace the…
The skinny
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