beginnerImages, Layers, Caching & Container Lifecycle

Explain the container lifecycle states.

Created (filesystem and config prepared, not started) -> Running (process started) -> Paused (frozen via cgroups freezer, process suspended but not stopped) -> Stopped/Exited (PID 1 exited, container metadata retained) -> Removed (writable layer and metadata deleted). docker run combines create and start; docker rm -f combines stop and remove.

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