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Exam DCA topic 1 question 9 discussion

Actual exam question from Mirantis's DCA
Question #: 9
Topic #: 1
[All DCA Questions]

Is this an advantage of multi-stage builds?
better caching when building Docker images

  • A. Yes
  • B. No
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Suggested Answer: B 🗳️

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b_script
9 months, 2 weeks ago
A. Multi-stage builds in Docker offer better caching mechanisms when building Docker images, which is indeed an advantage. This approach allows Docker to cache the results of individual stages in the build process. If a particular stage hasn't changed (for example, the dependencies installation step), Docker can reuse the cached layer from a previous build instead of executing the instructions again. This can significantly reduce build times, especially for complex builds where certain steps (like installing dependencies) do not change often but take a considerable amount of time to complete.
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michele91
10 months, 1 week ago
I am not sure that's correct. Documentation seems to hint that multi-stage build help with caching: https://docs.docker.com/build/cache/#use-multi-stage-builds
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