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What is the main purpose of pushing Docker images from a CI pipeline?

easy📝 Conceptual Q11 of 15
Docker - in CI/CD
What is the main purpose of pushing Docker images from a CI pipeline?
ATo delete old images from the local Docker cache
BTo run containers automatically on the local machine
CTo upload built images to a remote registry for sharing and deployment
DTo build images only on the developer's computer
Step-by-Step Solution
Solution:

  1. Step 1: Understand CI pipeline role

    A CI pipeline automates building and testing code changes, including Docker images.

  2. Step 2: Purpose of pushing images

    Pushing images uploads them to a remote registry so others can use or deploy them.

  3. Final Answer:

    To upload built images to a remote registry for sharing and deployment -> Option C

  4. Quick Check:

    Pushing images = Upload to registry [OK]
Quick Trick: Pushing means sending images to a remote place [OK]
Common Mistakes:
  • Confusing pushing with running containers
  • Thinking pushing deletes images
  • Assuming pushing only builds images locally

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