What a Container Is

What a container shares with the machine it runs on, and what it does not.

  • 5 cards
  • 3 questions
  • About 5 min
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Most explanations of containers start with the word lightweight, which tells you nothing you can use. This topic answers one question instead: what is actually running when a container runs? The answer decides everything after it, including why containers start in milliseconds and why removing one never damages the image it came from.

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