Inside Gemfile - intense dive in

Gemfile is a well-known file even for not experienced Ruby developers. While for most people, it’s evident that the purpose of that file and the bundler library, fewer of them know how bundler works and what happens from the time you declare the gem in the Gemfile to the moment when it is installed in your system.It is time for another deep dive into Ruby’s code internals to see how the Gemfile works with bundler. Before we start, ensure that you have Ruby and bundler installed in your system.