Lessons from the Terminal

Twice-weekly field notes on infrastructure, AI, and systems.

What I built, what broke, and the evidence that changed the next decision.

Apr 2026 AI

What Docker Labels Reveal About Hidden Architecture

Docker labels look like annotations until something starts making decisions from them. A reverse proxy discovers routes. An update tool selects eligible containers. A backup job identifies volumes by a naming convention. A monitoring process groups workloads into a view. Each consumer may read a ...

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