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<h1>Platform-as-a-service</h1>

<p>A platform-as-a-service (PaaS) provides infrastructure and a software layer

on which a web application is deployed. Running your web application from

a PaaS removes the need to know as much about the underlying servers,

operating system, web server, and often the WSGI server.</p>

<p><em>Note</em>: If you are not interested in deploying to a PaaS you can move

ahead to the <a class="reference external" href="../wsgi-servers.html">WSGI servers</a> section.</p>

<p>The PaaS layer defines how the

application accesses resources such as computing time, files, and

external services. The PaaS provides a higher-level abstraction for working

with computing resources than deploying an application to a server or IaaS.</p>

<p>A PaaS makes deployment and operations easier because it forces the developer

to conform applications to the PaaS architecture.</p>

<p><a class="reference external" href="http://www.heroku.com/">Heroku</a>,

<a class="reference external" href="https://developers.google.com/appengine/">Google App Engine</a>,

<a class="reference external" href="https://gondor.io/">Gondor</a>, and

<a class="reference external" href="https://openshift.redhat.com/community/get-started/python">OpenShift</a> are

platform-as-services that support Python web applications. Each one requires

varying tradeoffs to deploy to their respective platforms.</p>

<img alt="Traditional LAMP server stack versus a Platform-as-a-Service stack" class="technical-diagram" src="theme/img/servers-versus-paas.png" />

<p>If you go the PaaS route, you can skip over the operating system and web

server sections because they are baked into PaaS offerings. PaaS offerings

generally start at the WSGI server layer.</p>

<div class="section" id="platform-as-a-service-resources">

<h2>Platform-as-a-service resources</h2>

<p><a class="reference external" href="http://appsembler.com/blog/paas-bakeoff-comparing-stackato-openshift-dotcloud-and-heroku-for-django-hosting-and-deployment/">PaaS bakeoff: Comparing Stackato, OpenShift, Dotcloud and Heroku for Django hosting and deployment</a> by <a class="reference external" href="https://twitter.com/natea">Nate Aune</a></p>

<p>DevOps Django and Heroku Series by <a class="reference external" href="https://twitter.com/rdegges">Randall Degges</a>:</p>

<ul class="simple">

<li><a class="reference external" href="http://www.rdegges.com/devops-django-part-1-goals/">Part One: Goals</a></li>

<li><a class="reference external" href="http://www.rdegges.com/devops-django-part-2-the-pain-of-deployment/">Part Two: The Pain of Deployment</a></li>

<li><a class="reference external" href="http://www.rdegges.com/devops-django-part-3-the-heroku-way/">Part Three: The Heroku Way</a></li>

<li><a class="reference external" href="http://rdegges.com/devops-django-part-4-choosing-heroku">Part Four: Choosing Heroku</a></li>

</ul>

<p><a class="reference external" href="http://www.deploydjango.com/">Deploying Django</a> by Randall Degges is

another great free resource about Heroku.</p>

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Next read the

<a href="/databases.html">databases</a> section.

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<a href="/introduction.html" class="list-group-item ">Introduction</a>

<a href="/servers.html" class="list-group-item ">Servers</a>

<a href="/operating-systems.html" class="list-group-item ">Operating Systems</a>

<a href="/web-servers.html" class="list-group-item ">Web Servers</a>

<a href="/platform-as-a-service.html" class="list-group-item active">Platform-as-a-service</a>

<a href="/databases.html" class="list-group-item ">Databases</a>

<a href="/wsgi-servers.html" class="list-group-item ">WSGI Servers</a>

<a href="/web-frameworks.html" class="list-group-item ">Web Frameworks</a>

<a href="/task-queues.html" class="list-group-item ">Task Queues</a>

<a href="/static-content.html" class="list-group-item ">Static Content</a>

<a href="/caching.html" class="list-group-item ">Caching</a>

<a href="/web-browsers.html" class="list-group-item ">Web Browsers</a>

<a href="/web-application-security.html" class="list-group-item ">Web Application Security</a>

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<a href="/configuration-management.html" class="list-group-item ">Configuration Management</a>

<a href="/dependency-management.html" class="list-group-item ">Application Dependencies</a>

<a href="/no-sql-datastore.html" class="list-group-item ">NoSQL Data Stores</a>

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