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I'm a Docker amateur, so this will be a dumb question, but if you were using that technique after every run line in a DockerFile, wouldn't they be the same every time they're run? Like, it's random, but it's the same random values stored in the file, so wouldn't the lines get cached? Or did you adjust the DockerFile each time?

Or am I completely missunderstanding?

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> Or am I completely missunderstanding?

No, I just didn't explain it very well. You have to mash the keyboard each time (i.e. each build) to come up with some new token. The reason this (dumb) idea was so useful was it was a choice between that (dumb idea) and either run with --no-cache (i.e. wait 2-3 hours) or build normally and not have a clear idea why it failed (since no console output for cached layers), so taking a moment to mash the keyboard in a few places (as absolutely stupid as that is) was way better than the alternative of not having complete console output (docker provides no way to --no-cache on a per layer basis, hence my stupid way of achieving it).

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