Docker and CI/CD · Middle · Question 23 of 75

What prevents Docker's default `json-file` logs from filling the disk?

1Logs are kept only in memory, never on disk
2Docker deletes logs automatically every night
✓Correct answer: Rotation options like max-size and max-file

Explanation

Without rotation, a chatty container can fill the host disk. Set it per container or in the daemon config, or use the local driver.

Further reading

Docker Docs: Logging ↗

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