Docker - in CI/CD
You want to run tests but get permission denied errors inside the container when accessing mounted files. What should you check?
You want to run tests but get permission denied errors inside the container when accessing mounted files. What should you check?
medium📝 Troubleshoot Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Understand permission mapping
Mounted files keep host permissions. Container user may lack rights to read/write them.Step 2: Fix permissions
Check and adjust file permissions on host or run container as matching user to fix errors.Final Answer:
Check file permissions on host and user inside container -> Option CQuick Check:
Permission errors = check host and container user rights [OK]
Quick Trick: Match container user permissions with host file permissions [OK]
Common Mistakes:
- Removing volume mount instead of fixing permissions
- Changing image unrelated to permission issues
- Ignoring --rm flag impact
Master "in CI/CD" in Docker
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