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In a CI/CD pipeline, what will happen if a Docker container fails to start during testing?

medium📝 Command Output Q4 of 15
Docker - in CI/CD
In a CI/CD pipeline, what will happen if a Docker container fails to start during testing?
AThe pipeline will continue without running tests
BThe pipeline will skip deployment but finish testing
CThe container will automatically rebuild itself
DThe pipeline will stop and report an error
Step-by-Step Solution
Solution:

  1. Step 1: Understand pipeline failure behavior

    If a container fails to start, tests cannot run, so the pipeline must stop to avoid deploying broken code.

  2. Step 2: Confirm error reporting in CI/CD

    CI/CD tools report errors and stop the process to alert developers for fixes.

  3. Final Answer:

    The pipeline will stop and report an error -> Option D

  4. Quick Check:

    Container start failure = pipeline stops [OK]
Quick Trick: Failed container start stops pipeline [OK]
Common Mistakes:
  • Assuming pipeline continues without tests
  • Thinking containers rebuild automatically
  • Believing deployment proceeds despite test failure

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