Bundler tip: Always specify gem versions

Bundler tip: Always specify gem versions #rails

The Rails ecosystem moves quickly–too quickly, some might say–and as a result a given library’s API from just a few months ago may be deprecated today–or worse, it may just no longer work. Running bundle install with the Gemfile as-is, I could get gem versions that are no longer compatible with a legacy version of Rails. Or potentially worse, I could get gem versions with drastically rewritten APIs–very difficult to debug without a solid suite of tests. (The codebase in question lacks test coverage, too, but that’s a different subject.)

Full article: http://everydayrails.com/2012/09/11/bundler-rails-specify...