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<!DOCTYPE html>
<html>
<head>
<title>Bundler: The best way to manage a Ruby application's gems</title>
<meta content='text/html; charset=UTF-8' http-equiv='Content-Type'>
<link href='/images/favicon.png' rel='shortcut icon' type='image/png'>
<link href="/stylesheets/application.css" media="screen" rel="stylesheet" type="text/css" />
<link href="/stylesheets/sunburst.css" media="screen" rel="stylesheet" type="text/css" />
</head>
<body>
<div id='body'>
<div id='contents'>
<div id='header'>
<a class="image" href="/"><img width="725" alt="The best way to manage your application's dependencies" src="/images/gembundler.png" />
</a>
</div>
<div id='intro'>
Rails 3 comes with baked in support with bundler.
</div>
<h2>Using Bundler with Rails 3</h2>
<div class='contents'>
<div class='bullet'>
<div class='description'>
Install Rails as you normally would. Use sudo
if you would normally use sudo to install gems.
</div>
<div class='how'>
<pre class='sunburst'>$ gem install rails</pre>
<div class='notes'>
We recommend using rvm for dependable Ruby
installations, especially if you are switching
between different versions of Ruby
</div>
</div>
</div>
<div class='bullet'>
<div class='description'>
Generate a Rails app as usual
</div>
<pre class='sunburst'>$ rails new myapp
$ cd myapp
</pre>
</div>
<div class='bullet'>
<div class='description'>
Run the server. Bundler is transparently managing
your dependencies!
</div>
<pre class='sunburst'>$ rails server
</pre>
</div>
<div class='bullet'>
<div class='description'>
Add new dependencies to your Gemfile as you
need them.
</div>
<pre class="sunburst">gem <span class="String"><span class="String">'</span>nokogiri<span class="String">'</span></span>
gem <span class="String"><span class="String">'</span>geokit<span class="String">'</span></span>
</pre>
</div>
<div class='bullet'>
<div class='description'>
If you want a dependency to be loaded only in
a certain Rails environment, place it in a group
named after that Rails environment
</div>
<pre class="sunburst">group <span class="Constant"><span class="Constant">:</span>test</span> <span class="Keyword">do</span>
 gem <span class="String"><span class="String">'</span>rspec<span class="String">'</span></span>
 gem <span class="String"><span class="String">'</span>faker<span class="String">'</span></span>
<span class="Keyword">end</span>
</pre>
</div>
<div class='bullet' id='shared_with_23'>
<div class='description'>
You can place a dependency in multiple groups
at once as well
</div>
<pre class="sunburst">group <span class="Constant"><span class="Constant">:</span>development</span>, <span class="Constant"><span class="Constant">:</span>test</span> <span class="Keyword">do</span>
 gem <span class="String"><span class="String">'</span>wirble<span class="String">'</span></span>
 gem <span class="String"><span class="String">'</span>ruby-debug<span class="String">'</span></span>
<span class="Keyword">end</span>
</pre>
<a href="/v1.3/groups.html">Learn More: Groups</a>
</div>
<div class='bullet'>
<div class='description'>
After adding a dependency, if it is not yet
installed, install it
</div>
<div class='how'>
<pre class='sunburst'>$ bundle install</pre>
<div class='notes'>
This will update all dependencies in your
Gemfile to the latest versions that do not
conflict with other dependencies
</div>
</div>
</div>
</div>
</div>
</div>
<div id='footer'>
<img src="/images/emocow.png" />
<img src="/images/panda.jpg" />
<div class='spacer'></div>
<div id='navigation'>
<p>
<b>commands</b>
<a href="/v1.3/man/bundle-install.1.html">install</a>
/
<a href="/v1.3/man/bundle-update.1.html">update</a>
/
<a href="/v1.3/man/bundle-exec.1.html">exec</a>
/
<a href="/v1.3/man/bundle-config.1.html">config</a>
/
<a href="/v1.3/man/bundle-package.1.html">package</a>
</p>
<p>
<b>usage</b>
<a href="/v1.3/gemfile.html">gemfile</a>
/
<a href="/v1.3/git.html">git</a>
/
<a href="/v1.3/groups.html">groups</a>
/
<a href="/v1.3/bundler_setup.html">setup</a>
/
<a href="/v1.3/deploying.html">deploying</a>
</p>
<p>
<b>frameworks</b>
<a href="/v1.3/bundler_setup.html">ruby</a>
/
<a href="/v1.3/rubygems.html">rubygems</a>
/
<a href="/v1.3/rubymotion.html">rubymotion</a>
/
<a href="/v1.3/sinatra.html">sinatra</a>
/
<a href="/v1.3/rails3.html">rails 3</a>
</p>
</div>
<div class='spacer'></div>
<img src="/images/bundler-small.png" />
</div>
<div id='credits'>
<p>
Many thanks to Bundler's <a href="/contributors.html">contributors</a>
and <a href="/sponsors.html">sponsors</a>
</p>
</div>
<a href='http://github.com/carlhuda/bundler/' id='github'>
<img alt='Fork me on GitHub' src='http://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png'>
</a>
<div id='prod-versions'>
Docs:
<a href="/v0.9/">v0.9</a>
<a href="/v1.0/">v1.0</a>
<a href="/v1.1/">v1.1</a>
<a href="/v1.2/">v1.2</a>
<a class="current" href="/">v1.3</a>
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