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<!DOCTYPE html>
<html>
  <head>
    <title>Bundler: The best way to manage a Ruby application's gems</title>
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  <body>
    <div id='body'>
      <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='container'>
        <div id='contents'>
          <h2>bundle install</h2>
          <div class='contents'>
            <div class='bullet'>
              <div class='description'>
                Make sure all dependencies in your Gemfile are available to your application.
              </div>
              <pre class="highlight plaintext">$ bundle install [--binstubs=PATH] [--clean] [--deployment] [--frozen]&#x000A;                 [--full-index] [--gemfile=FILE] [--local] [--no-cache]&#x000A;                 [--no-prune] [--path=PATH] [--quiet] [--shebang=STRING]&#x000A;                 [--standalone=ARRAY] [--system] [--without=GROUP GROUP]&#x000A;                 [--trust-policy=SECURITYLEVEL]</pre>
              <div class='notes'>
                <p>
                  Options:
                </p>
                <p>
                  <code>--binstubs</code>: Generate bin stubs for bundled gems to ./bin
                </p>
                <p>
                  <code>--clean</code>: Run bundle clean automatically after install
                </p>
                <p>
                  <code>--deployment</code>: Install using defaults tuned for deployment environments
                </p>
                <p>
                  <code>--frozen</code>: Do not allow the Gemfile.lock to be updated after this install
                </p>
                <p>
                  <code>--full-index</code>: Use the rubygems modern index instead of the API endpoint
                </p>
                <p>
                  <code>--gemfile</code>: Use the specified gemfile instead of Gemfile
                </p>
                <p>
                  <code>--jobs</code>: Install gems using parallel workers.
                </p>
                <p>
                  <code>--local</code>: Do not attempt to fetch gems remotely and use the gem cache instead
                </p>
                <p>
                  <code>--no-cache</code>: Don't update the existing gem cache.
                </p>
                <p>
                  <code>--no-prune</code>: Don't remove stale gems from the cache.
                </p>
                <p>
                  <code>--path</code>: Specify a different path than the system default ($BUNDLE_PATH or $GEM_HOME). Bundler will remember this value for future installs on this machine
                </p>
                <p>
                  <code>--quiet</code>: Only output warnings and errors.
                </p>
                <p>
                  <code>--retry</code>: Retry network and git requests that have failed.
                </p>
                <p>
                  <code>--shebang</code>: Specify a different shebang executable name than the default (usually 'ruby')
                </p>
                <p>
                  <code>--standalone</code>: Make a bundle that can work without the Bundler runtime
                </p>
                <p>
                  <code>--system</code>: Install to the system location ($BUNDLE_PATH or $GEM_HOME) even if the bundle was previously installed somewhere else for this application
                </p>
                <p>
                  <code>--trust-policy</code>: Sets level of security when dealing with signed gems. Accepts `LowSecurity`, `MediumSecurity` and `HighSecurity` as values.
                </p>
                <p>
                  <code>--without</code>: Exclude gems that are part of the specified named group.
                </p>
              </div>
              <div class='notes'>
                <p>
                  Gems will be installed to your default system location for gems. If your
                  system gems are stored in a root-owned location (such as in Mac OSX),
                  bundle will ask for your root password to install them there.
                </p>
                <p>
                  While installing gems, Bundler will check <code>vendor/cache</code> and then
                  your system's gems. If a gem isn't cached or installed, Bundler will try to
                  install it from the sources you have declared in your Gemfile.
                </p>
                <p>
                  The <code>--system</code> option is the default. Pass it to switch back after
                  using the <code>--path</code> option as described below.
                </p>
              </div>
            </div>
            <div class='bullet' id='path'>
              <div class='description'>
                Install your dependencies, even gems that are already installed
                to your system gems, to a location other than your system's gem
                repository. In this case, install them to <code>vendor/bundle</code>.
              </div>
              <div class='how'>
                <pre class="highlight plaintext">$ bundle install --path vendor/bundle</pre>
                <div class='notes'>
                  Further <code>bundle</code> commands or calls to <code>Bundler.setup</code> or
                  <code>Bundler.require</code> will remember this location.
                </div>
                <a href="/v1.6/bundler_setup.html">Learn More: Bundler.setup</a>
                <a href="/v1.6/groups.html">Learn More: Bundler.require</a>
              </div>
            </div>
            <div class='bullet' id='without'>
              <div class='description'>
                Install all dependencies except those in groups that are explicitly excluded.
              </div>
              <pre class="highlight plaintext">$ bundle install --without development test</pre>
              <a href="/v1.6/groups.html">Learn More: Groups</a>
            </div>
            <div class='bullet' id='deployment'>
              <div class='description'>
                Install all dependencies on to a production server.
                Do <b>not</b> use this flag on a development machine.
              </div>
              <pre class="highlight plaintext">$ bundle install --deployment</pre>
              <div class='notes'>
                <p>
                  The <code>--deployment</code> flag activates a number of deployment-friendly
                  conventions:
                </p>
                <ul>
                  <li>Isolate all gems into <code>vendor/bundle</code></li>
                  <li>Require an up-to-date <code>Gemfile.lock</code></li>
                  <li>
                    If <code>bundle package</code> was run, do not fetch gems
                    from rubygems.org. Instead, only use gems in the checked
                    in <code>vendor/cache</code>
                  </li>
                </ul>
              </div>
              <a href="/v1.6/deploying.html">Learn More: Deploying</a>
            </div>
            <div class='bullet' id='jobs'>
              <div class='description'>
                Install gems parallely by starting the number of workers specificed.
              </div>
              <pre class="highlight plaintext">$ bundle install --jobs 4&#x000A;</pre>
            </div>
            <div class='bullet' id='retry'>
              <div class='description'>
                Retry failed network or git requests.
              </div>
              <pre class="highlight plaintext">$ bundle install --retry 3</pre>
            </div>
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