Docker and CI/CD · Senior · Question 17 of 75

What is the difference between `--cache-to ...,mode=min` and `mode=max`?

✓Correct answer: min exports final-stage layers only; max exports all stages
2min keeps the cache for a day; max keeps it for a month
3min compresses the cache harder; max keeps it uncompressed

Explanation

With multi-stage builds, max caches the builder stages too, so dependency installs are reused. It costs more storage and upload time.

Further reading

Docker Docs: Cache storage backends ↗

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