Dictionary term
Docker
Web/DevIntermediate
A tool that packages an app with all its dependencies into a container that runs identically on any machine.
In plain English
A tool that packs an app and everything it needs into a sealed box (a container) that runs the same way on any computer.
Analogy
Like packing all your toys into one box so they work the same wherever you travel.
Why it matters
It removes 'works on my machine' problems and is standard for running self-hosted tools like n8n reliably.
In practice
You run a self-hosted n8n instance with a single Docker command.
Related terms
Sources
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