Current subdirectories are planning areas unless their own README documents a runnable scenario:
-`kubernetes`
-`terraform`
-`networking`
-`ci-cd`
-`docker`
Lab content should document prerequisites, topology, validation, cleanup, and what remains untested. Do not present lab behavior as production-ready.
Planned lab topics are tracked in [ROADMAP.md](../ROADMAP.md). For Codex-driven changes, use [AGENTS.md](../AGENTS.md) and the templates under [docs/codex](../docs/codex/).