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---
title: Buildpacks
owner: Buildpacks
---
<strong><%= modified_date %></strong>
Buildpacks provide framework and runtime support for your applications.
Buildpacks typically examine user-provided artifacts to determine what dependencies to
download and how to configure applications to communicate with bound services.
When you push an application, Cloud Foundry automatically detects which buildpack is required
and installs it on the Diego cell <%=vars.buildpacks_index_dea%> where the application needs to run.
<p class="note"><strong>Note</strong>: Cloud Foundry deployments often have limited access to dependencies.
This limitation occurs when the deployment is behind a firewall, or when administrators want to use local mirrors and proxies.
In these circumstances, Cloud Foundry provides a <a href="https://github.com/cloudfoundry/buildpack-packager">
Buildpack Packager</a> application.</p>
##<a id='system-buildpacks'></a>System Buildpacks
Cloud Foundry includes a set of system buildpacks for common languages and frameworks.
This table lists the system buildpacks.
<table border="1" class="nice" >
<tr>
<th>Name</th>
<th>Supported Languages, Frameworks, and Technologies</th>
<th>GitHub Repository</th>
</tr>
<tr>
<td><a href="./binary/index.html" class="subnav">Binary</a></td>
<td><p><i>n/a</i></p></td>
<td><a href="https://github.com/cloudfoundry/binary-buildpack">Binary source</a></td>
</tr>
<tr>
<td><a href="./go/index.html" class="subnav">Go</a></td>
<td><p>Go</p></td>
<td><a href="https://github.com/cloudfoundry/go-buildpack">Go source</a></td>
</tr>
<tr>
<td><a href="./java/index.html" class="subnav">Java</a></td>
<td><p>Grails, Play, Spring, or any other JVM-based language or framework</p></td>
<td><a href="https://github.com/cloudfoundry/java-buildpack">Java source</a></td>
</tr>
<tr>
<td><a href="./node/index.html" class="subnav">Node.js</a></td>
<td><p>Node or JavaScript</p></td>
<td><a href="https://github.com/cloudfoundry/nodejs-buildpack">Node.js source</a></td>
</tr>
<tr>
<td><a href="./dotnet-core/index.html" class="subnav">.NET Core</a></td>
<td><p>.NET Core</p></td>
<td><a href="https://github.com/cloudfoundry/dotnet-core-buildpack/">.NET Core source</a></td>
</tr>
<tr>
<td><a href="./php/index.html" class="subnav">PHP</a></td>
<td><p>Cake, Symfony, Zend, Nginx, or HTTPD</p></td>
<td><a href="https://github.com/cloudfoundry/php-buildpack">PHP source</a></td>
</tr>
<tr>
<td><a href="./python/index.html" class="subnav">Python</a></td>
<td><p>Django or Flask</p></td>
<td><a href="https://github.com/cloudfoundry/python-buildpack">Python source</a></td>
</tr>
<tr>
<td><a href="./ruby/index.html" class="subnav">Ruby</a></td>
<td><p>Ruby, JRuby, Rack, Rails, or Sinatra</p></td>
<td><a href="https://github.com/cloudfoundry/ruby-buildpack">Ruby source</a></td>
</tr>
<tr>
<td><a href="./staticfile/index.html" class="subnav">Staticfile</a></td>
<td><p>HTML, CSS, JavaScript, or Nginx</p></td>
<td><a href="https://github.com/cloudfoundry/staticfile-buildpack">Staticfile source</a></td>
</tr>
</table>
##<a id='community-buildpacks'></a>Community Buildpacks
You can find a list of unsupported, community-created buildpacks here:
<a href="https://github.com/cloudfoundry-community/cf-docs-contrib/wiki/Buildpacks#community-created">
cf-docs-contrib</a>.
##<a id='using-buildpacks'></a> Using, Developing, and Customizing Buildpacks
For information about using buildpacks, see <a href="./using-buildpacks.html" class="subnav">Using Buildpacks</a>.
For information about customizing existing buildpacks and developing new buildpacks, see <a href="./developing-buildpacks.html" class="subnav">Developing Buildpacks</a>.
For information about updating and releasing a new version of a Cloud Foundry (CF) buildpack
through the CF Buildpacks Team Concourse pipeline, see <a href="./buildpack-ci-index.html" class="subnav">CF Buildpack Team CI</a>.
You can use this as a model for using Concourse to build and release new versions of your own buildpacks.