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289 lines
12 KiB
HTML
289 lines
12 KiB
HTML
<!DOCTYPE html>
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<html class="no-js" xmlns="http://www.w3.org/1999/html"> <!--<![endif]-->
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
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<title>Docker - the Linux container runtime</title>
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<meta name="description" content="Docker encapsulates heterogeneous payloads in standard containers">
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<meta name="viewport" content="width=device-width">
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<div class="container" style="text-align: center;">
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<div class="pull-right" >
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<ul class="nav">
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<li class="active"><a href="./">Introduction</a></li>
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<li ><a href="gettingstarted/">Getting started</a></li>
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<li class=""><a href="http://docs.docker.io/en/latest/concepts/containers/">Documentation</a></li>
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</ul>
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<div class="social links" style="float: right; margin-top: 14px; margin-left: 12px">
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<a class="twitter" href="http://twitter.com/getdocker">Twitter</a>
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<a class="github" href="https://github.com/dotcloud/docker/">GitHub</a>
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<div class="row">
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<img src="_static/img/docker-letters-logo.gif">
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</div>
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</div>
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</div>
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<div class="container">
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<div class="row">
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<div class="span12">
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<section class="contentblock header">
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<div class="span6" style="margin:10px 0px 0px 30px; float: right; ">
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<div class="js-video" >
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<iframe width="640" height="360" src="http://www.youtube.com/embed/wW9CAH9nSLs?feature=player_detailpage&rel=0&modestbranding=1&start=11" frameborder="0" allowfullscreen></iframe>
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</div>
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</div>
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<div style="text-align: center; padding: 50px 30px 50px 30px;">
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<h1>Docker</h1>
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<h2>The Linux container runtime</h2>
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</div>
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<div style="display: block; text-align: center; padding: 10px 30px 50px 30px;">
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<p>
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Docker complements LXC with a high-level API which operates at the process level.
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It runs unix processes with strong guarantees of isolation and repeatability across servers.
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</p>
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<p>
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Docker is a great building block for automating distributed systems: large-scale web deployments, database clusters, continuous deployment systems, private PaaS, service-oriented architectures, etc.
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</p>
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</div>
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<div style="display: block; text-align: center;">
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<a class="btn btn-custom btn-large" href="gettingstarted/">Let's get started</a>
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</div>
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<br style="clear: both"/>
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</section>
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</div>
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</div>
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</div>
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<div class="container">
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<div class="row">
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<div class="span3">
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<section class="contentblock">
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<h4>Heterogeneous payloads</h4>
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<p>Any combination of binaries, libraries, configuration files, scripts, virtualenvs, jars, gems, tarballs, you name it. No more juggling between domain-specific tools. Docker can deploy and run them all.</p>
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</section>
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</div>
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<div class="span3">
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<section class="contentblock">
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<h4>Any server</h4>
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<p>Docker can run on any x64 machine with a modern linux kernel - whether it's a laptop, a bare metal server or a VM. This makes it perfect for multi-cloud deployments.</p>
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</section>
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</div>
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<div class="span3">
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<section class="contentblock">
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<h4>Isolation</h4>
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<p>docker isolates processes from each other and from the underlying host, using lightweight containers.</p>
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</section>
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</div>
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<div class="span3">
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<section class="contentblock">
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<h4>Repeatability</h4>
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<p>Because containers are isolated in their own filesystem, they behave the same regardless of where, when, and alongside what they run.</p>
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</section>
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</div>
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</div>
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</div>
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<style>
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.twitterblock {
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min-height: 75px;
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}
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.twitterblock img {
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float: left;
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margin-right: 10px;
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}
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</style>
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<div class="container">
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<div class="row">
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://twimg0-a.akamaihd.net/profile_images/2491994496/rbevyyq6ykp6bnoby2je_bigger.jpeg">
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<em>John Willis @botchagalupe:</em> IMHO docker is to paas what chef was to Iaas 4 years ago
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</section>
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</div>
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://twimg0-a.akamaihd.net/profile_images/3348427561/9d7f08f1e103a16c8debd169301b9944_bigger.jpeg">
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<em>John Feminella @superninjarobot:</em> So, @getdocker is pure excellence. If you've ever wished for arbitrary, PaaS-agnostic, lxc/aufs Linux containers, this is your jam!
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</section>
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</div>
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</div>
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<div class="row">
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://si0.twimg.com/profile_images/3408403010/4496ccdd14e9b7285eca04c31a740207_bigger.jpeg">
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<em>David Romulan @destructuring:</em> I haven't had this much fun since AWS
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</section>
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</div>
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<div class="span6">
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<section class="contentblock twitterblock">
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<img src="https://si0.twimg.com/profile_images/780893320/My_Avatar_bigger.jpg">
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<em>Ricardo Gladwell @rgladwell:</em> wow @getdocker is either amazing or totally stupid
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</section>
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</div>
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</div>
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</div>
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<!-- <p>Docker encapsulates heterogeneous payloads in <a href="#container">Standard Containers</a>, and runs them on any server with strong guarantees of isolation and repeatability.</p>
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<p>It is a great building block for automating distributed systems: large-scale web deployments, database clusters, continuous deployment systems, private PaaS, service-oriented architectures, etc.</p>
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-->
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<div class="container">
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<div class="row">
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<div class="span6">
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<section class="contentblock">
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<!-- <img src="_static/lego_docker.jpg" width="600px" style="float:right; margin-left: 10px"> -->
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<h2>Notable features</h2>
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<ul>
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<li>Filesystem isolation: each process container runs in a completely separate root filesystem.</li>
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<li>Resource isolation: system resources like cpu and memory can be allocated differently to each process container, using cgroups.</li>
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<li>Network isolation: each process container runs in its own network namespace, with a virtual interface and IP address of its own.</li>
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<li>Copy-on-write: root filesystems are created using copy-on-write, which makes deployment extremeley fast, memory-cheap and disk-cheap.</li>
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<li>Logging: the standard streams (stdout/stderr/stdin) of each process container is collected and logged for real-time or batch retrieval.</li>
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<li>Change management: changes to a container's filesystem can be committed into a new image and re-used to create more containers. No templating or manual configuration required.</li>
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<li>Interactive shell: docker can allocate a pseudo-tty and attach to the standard input of any container, for example to run a throwaway interactive shell.</li>
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</ul>
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<h2>Under the hood</h2>
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<p>Under the hood, Docker is built on the following components:</p>
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<ul>
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<li>The <a href="http://blog.dotcloud.com/kernel-secrets-from-the-paas-garage-part-24-c">cgroup</a> and <a href="http://blog.dotcloud.com/under-the-hood-linux-kernels-on-dotcloud-part">namespacing</a> capabilities of the Linux kernel;</li>
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<li><a href="http://aufs.sourceforge.net/aufs.html">AUFS</a>, a powerful union filesystem with copy-on-write capabilities;</li>
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<li>The <a href="http://golang.org">Go</a> programming language;</li>
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<li><a href="http://lxc.sourceforge.net/">lxc</a>, a set of convenience scripts to simplify the creation of linux containers.</li>
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</ul>
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</section>
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</div>
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<div class="span6">
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<section class="contentblock">
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<div id="wufoo-z7x3p3">
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Fill out my <a href="http://dotclouddocker.wufoo.com/forms/z7x3p3">online form</a>.
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})(document, 'script');</script>
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</section>
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<section class="contentblock">
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<h3 id="twitter">Twitter</h3>
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<a class="twitter-timeline" href="https://twitter.com/getdocker" data-widget-id="312730839718957056">Tweets by @getdocker</a>
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</section>
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</div>
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</div> <!-- end container -->
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<footer id="footer" class="footer">
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<div class="span12">
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Docker is a project by <a href="http://www.dotcloud.com">dotCloud</a>
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