Dependencias de la Gema

Nearly all gems are going to have dependencies upon other libraries that they require in order to function. These dependencies are explicitly declared in the gemspec so that when a gem is installed, all of the gems that are needed to run that gem can automatically be installed with it.

There are two types of gem dependencies, runtime dependencies and development dependencies.

• Runtime dependencies are libraries that your gem needs in order to function. For example, if you built a Rails extension, you would need to add Rails to the runtime dependencies of your project.

• Development dependencies, on the other hand, are gems that are only needed by people who are going to contribute to the code of the gem.

• Gems are, by default, installed only with the runtime dependencies. This avoids cluttering up an environment with development dependencies if they aren't needed.

Adding dependencies to your gemspec is extremely simple; all you need to do is add a line to the gemspec file for each dependency:

# -*- encoding: utf-8 -*-
require File.expand_path('../lib/my_gem/version', __FILE__)

Gem::Specification.new do |gem|
  # ...

  gem.add_dependency 'rails'
  gem.add_development_dependency 'rspec', '~> 2.7'
end

In addition to specifying the gem name of a dependency, you can also specify a version of the gem to get even more specific. Rubygems will default to the latest version if no specific version is required.

git add . 
git commit -m "Initial Import"