Sudden gitlab CI/CD pipeline failures

What to do if a gitlab CI/CD pipeline that has suddenly started failing, despite no recent changes being made to the .gitlab-ci.yml file or the repository configuration? What are some possible reasons for this unexpected failure? Any tools within gitlab that can help identify the root cause?

Depends on the error message you’re getting. Something did change - infrastructure, (network) environment, image you’re using… But you have to approach every issue separately. There is no special tool or a silver bullet.

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