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Honestly, I am not sure if you're right with the marketing but the docker way of “doing everything needed in a tightly coupled way” does reek of a tool that is designed primarily for ease of use.

Heck, this “issue” (which, I don’t agree is an issue) only exists so that people don't have to do an additional step. Its “ease of use” which violates the principle of least surprise most commonly.

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The docker way is a way of using coontainers as a form of contained application building & distribution, which builds itself (optionally on top of layers from docker hub) from a Dockerfile and is configured by a docker-compose file, minimizing the need for external configuration tools that may have problems to keep up with new features. The other feature are the layered builds, which you can mix from multiple bases.

Docker does not compete with LXD which just runs containers like VMs, but with distrobuilder + LXD + including the init.yml in the deploy process.

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