consul/website/source/index.html.erb

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description: Service discovery and configuration made easy. Distributed, highly available, and datacenter-aware.
---

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					<h2 class="rls-l">
					Service discovery and configuration made easy.
					Distributed, highly available, and
					datacenter-aware.
					</h2>
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				<!-- <p><a class="btn btn-primary btn-lg">Learn more &raquo;</a></p> -->
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<div id="features">
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						<span class="icn discovery"></span>
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						<h2>Service Discovery</h2>
						<p>
						Consul makes it simple for services to register themselves
						and to discover other services via a DNS or HTTP interface.
						Register external services such as SaaS providers as well.</p>
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						<span class="icn health"></span>
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						<h2>Failure Detection</h2>
						<p>Pairing service discovery with health checking prevents routing requests to unhealthy hosts and enables services to easily provide circuit breakers.</p>
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						<span class="icn multi"></span>
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						<h2>Multi Datacenter</h2>
						<p>Consul scales to multiple datacenters out of the box with no complicated configuration. Look up services in other datacenters, or keep the request local.</p>
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			<div class="col-lg-6 col-md-6">
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						<span class="icn config"></span>
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						<h2>Key/Value Storage</h2>
						<p>Flexible key/value store for dynamic configuration, feature flagging, coordination, leader election and more. Long poll for near-instant notification of configuration changes.</p>
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<div id="demos">
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			<div class="col-xs-12 col-lg-12 explantion">
				<h2>DNS Query Interface</h2>
				<p>
				Look up services using Consul's built-in DNS server. Support
				existing infrastructure without any code change.
				</p>
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			<div class="terminal-item col-xs-12 col-lg-12">
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							<h4>Terminal</h4>
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									<p class="command"><span class="txt-r">admin@hashicorp</span>: dig web-frontend.service.consul. ANY</p>
									<p>; &lt;&lt;&gt;&gt; DiG 9.8.3-P1 &lt;&lt;&gt;&gt; web-frontend.service.consul. ANY</p>
									<p>;; global options: +cmd</p>
									<p> </p>
									<p>;; Got answer:</p>
									<p>;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 29981</p>
									<p>;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0</p>
									<p> </p>
									<p>;; QUESTION SECTION:</p>
									<p>;web-frontend.service.consul. IN	ANY</p>
									<p> </p>
									<p>;; ANSWER SECTION:</p>
									<p>web-frontend.service.consul. 0 IN	A	<span class="txt-p">10.0.3.83</span></p>
									<p>web-frontend.service.consul. 0 IN	A	<span class="txt-p">10.0.1.109</span></p>
									<p class="command"><span class="txt-r">admin@hashicorp</span>: <span class="cursor">&nbsp;</span></p>
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			<div class="col-xs-12 col-lg-12 explantion">
				<h2>Key Value Storage</h2>
				<p>
                Consul provides a hierarchical key/value store with a simple HTTP API.
                Managing configuration has never been simpler.
				</p>
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			<div class="terminal-item col-xs-12 col-lg-12">
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							<h4>Terminal</h4>
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						<div class="terminal-window">
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									<p class="command"><span class="txt-r">admin@hashicorp</span>: curl -X PUT -d 'bar' http://localhost:8500/v1/kv/foo</p>
									<p>true</p>
									<p class="command"><span class="txt-r">admin@hashicorp</span>: curl http://localhost:8500/v1/kv/foo</p>
									<p>[</p>
									<p>    {</p>
									<p>       "CreateIndex": 100,</p>
									<p>       "ModifyIndex": 200,</p>
									<p>       "Key": "foo",</p>
									<p>       "Flags": 0,</p>
									<p>       "Value": <span class="txt-p">"YmFy"</span></p>
									<p>    }</p>
									<p>]</p>
									<p class="command"><span class="txt-r">admin@hashicorp</span>: <span class="cursor">&nbsp;</span></p>
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		</div>
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</div><!-- /#demos -->

<div id="cta">
	<div class="container">
		<div class="row">
			<div class="intro">
				<div class="left col-xs-12 col-sm-offset-2 col-sm-4">
					<p>The intro and getting started guide contain
						a simple and approachable walkthrough for running Consul locally.</p>
				</div>
				<div class="col-xs-offset-5 col-xs-12 col-sm-6 col-sm-offset-0 right">
					<a class="outline-btn purple" href="/intro/index.html">Read the intro &#187;</a>
				</div>
			</div>
		</div>
	</div>
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