Making an executable GEM from a script

I started developing ruby lately and I really like it, But I feel somehow lost. I developed a script that does "whatever" and that scripts requires many gems like nokogiri and colorize. I now want to deploy the script, so after reading a while I found many people saying that deploying as a gem is the best approach. So my questi开发者_如何学运维on is simple? Is there any tool that I can use to create a gem of my script file and include all the gem dependencies(nokogiri) in the new gem?

I am using ubuntu!

Thanks alot

Building a gem consists of basically creating a simple directory structure for your script, and a special file known as a gemspec that will list all its dependencies. That gemspec can be used with rubygems to create a gem file (*.gem), which can be installed using rubygems or uploaded to rubygems.org for public consumption.

There are several tools that automate part of this process. A relatively simple one is the Bundler gem, which will both take care of dependencies during development, and make it easy for you to package your gem. This article contains enough information to get you started with gem development using bundler.

The best way to make a gem is to use the bundler program to build a skeleton:

# bundler gem (gem_name)
bundler gem geil_gem

This will create a template gemspec file and give you the basic structure needed for your gem to have a setup command, a console and be ready to build into a working gem (both found in the bin folder of your skeleton project). From here you can add a command binary or build out the gem as a library using the lib directory or start with tests by adding rspec to the gemspec and creating a test folder.