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<h1 class="lined-header"><span>Starting and stopping</span></h1>
<p>This chapter describes how to start and stop the Gun application.</p>
<h2 id="_setting_up">Setting up</h2>
<p>Specify Gun as a dependency to your application in your favorite build tool.</p>
<p>With Erlang.mk this is done by adding <code>gun</code> to the <code>DEPS</code> variable in your Makefile.</p>
<div class="listingblock"><div class="title">Adding Gun as an Erlang.mk dependency</div>
<div class="content"><!-- Generator: GNU source-highlight 3.1.8
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt><font color="#009900">DEPS =</font> gun</tt></pre>
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<h2 id="_starting">Starting</h2>
<p>Gun is an <em>OTP application</em>. It needs to be started before you can use it.</p>
<div class="listingblock"><div class="title">Starting Gun in an Erlang shell</div>
<div class="content"><!-- Generator: GNU source-highlight 3.1.8
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt><font color="#993399">1</font><font color="#990000">></font> <b><font color="#000000">application:ensure_all_started</font></b>(<font color="#FF6600">gun</font>)<font color="#990000">.</font>
{<font color="#FF6600">ok</font>,[<font color="#FF6600">crypto</font>,<font color="#FF6600">cowlib</font>,<font color="#FF6600">asn1</font>,<font color="#FF6600">public_key</font>,<font color="#FF6600">ssl</font>,<font color="#FF6600">gun</font>]}</tt></pre>
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<h2 id="_stopping">Stopping</h2>
<p>You can stop Gun using the <code>application:stop/1</code> function, however only Gun will be stopped. This is the reverse of <code>application:start/1</code>. The <code>application_ensure_all_started/1</code> function has no equivalent for stopping all applications.</p>
<div class="listingblock"><div class="title">Stopping Gun</div>
<div class="content"><!-- Generator: GNU source-highlight 3.1.8
by Lorenzo Bettini
http://www.lorenzobettini.it
http://www.gnu.org/software/src-highlite -->
<pre><tt><b><font color="#000000">application:stop</font></b>(<font color="#FF6600">gun</font>)<font color="#990000">.</font></tt></pre>
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