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Re:Faster Builds with Container-Based Infrastructure and Docker by rb2k_ on Wednesday December 17, 2014 @06:06PM (#8764981)
Are you sure those speedups are docker related, those sound like they're bundler/caching related?

( as in http://docs.travis-ci.com/user/caching/ )

Re:Faster Builds with Container-Based Infrastructure and Docker by aseidl on Wednesday December 17, 2014 @10:31PM (#8765848)
Correct, the speedups are directly due to bundle caching (which previously had only been available for private/paid repos). Indirectly, I would assume this caching is now implemented via Docker's use of filesystem layers.