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Improve bundle install in Docker build #3596

merged 2 commits into from Jul 25, 2017


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nilbus commented Jul 25, 2017

A couple improvements on the base Docker image build:

  • Install the version of bundler specified in Gemfile.lock
  • Take advantage of bundler's parallelism

nilbus added some commits Jul 25, 2017

Take advantage of bundler's parallelism
20 jobs is somewhat arbitrary.

Parallelism need not be limited to the number of logical cores. Because
installing gems is such an IO-intensive task, generally not CPU-bound,
we can typically see big speed wins by starting many at once.

@kytrinyx kytrinyx merged commit 6fac0ba into exercism:master Jul 25, 2017

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kytrinyx Jul 25, 2017


Sweet, thanks!


kytrinyx commented Jul 25, 2017

Sweet, thanks!

@nilbus nilbus deleted the nilbus:docker-bundler branch Jul 25, 2017

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