This seems the natural evolution of what used to be: 1. A laptop with the development environment (DOS or Windows) kept in a box to use for updates / fixes 2.

This seems the natural evolution of what used to be: 1. A laptop with the development environment (DOS or Windows) kept in a box to use for updates / fixes 2. A VM on a NAS to use when a firmware in maintenance needs a fix With more embedded tooling available on Linux, a docker image becames a natural choice.