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In a CI pipeline, the command 'docker push myapp:latest' fails with 'no basic auth credentials'. What should you do to fix it?

medium📝 Troubleshoot Q7 of 15
Docker - in CI/CD
In a CI pipeline, the command 'docker push myapp:latest' fails with 'no basic auth credentials'. What should you do to fix it?
ARun 'docker build' again before pushing
BAdd '--no-auth' flag to docker push
CRemove the tag ':latest' from the push command
DRun 'docker login' with correct credentials before pushing
Step-by-Step Solution
Solution:

  1. Step 1: Understand error meaning

    'no basic auth credentials' means Docker is not logged in to the registry.

  2. Step 2: Fix by logging in

    Run 'docker login' with valid username and password to authenticate.

  3. Final Answer:

    Run 'docker login' with correct credentials before pushing -> Option D

  4. Quick Check:

    Missing auth = run docker login [OK]
Quick Trick: Always login before pushing images [OK]
Common Mistakes:
  • Trying to push without login
  • Using invalid flags
  • Ignoring authentication errors

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