index.html.md.erb

---
title: Cloud Foundry concepts
---

<%# Reset page title based on product title %>
<% if vars.platform_code != 'CF' %>

<% set_title(vars.app_runtime_abbr, "Concepts") %>

<% end %>

<% if vars.platform_code == 'CF' %>
<%= vars.app_runtime_first %> is an open-source cloud app platform, providing a choice of clouds, developer
frameworks, and app services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale apps. It is an open-source project and is available through a variety of private cloud distributions and public cloud instances. For more information, see [Cloud Foundry](https://github.com/cloudfoundry) on GitHub.
<% else %>
<%= vars.app_runtime_first %> is based on Cloud Foundry, which is an open-source cloud app platform, providing a choice of clouds, developer frameworks, and app
services. <%= vars.app_runtime_abbr %> makes it faster and easier to build, test, deploy, and scale apps. It is an open-source project and is available through a variety of private cloud distributions and public cloud instances. For more information, see [Cloud Foundry](https://github.com/cloudfoundry) on GitHub.
<% end %>

This documentation presents an overview of
how <%= vars.app_runtime_abbr %> works and a discussion of key concepts.

To learn more about <%= vars.app_runtime_abbr %> fundamentals, see the following topics:

* [<%= vars.app_runtime_abbr %> Overview](overview.html)

* [Security and Networking](security-index.html)

* [High Availability](ha-index.html)

* [How <%= vars.app_runtime_abbr %> Manages Apps](apps-index.html)

<% if vars.platform_code == 'CF' %>
* [Runtime Components](architecture/index.html)
<% else %>
* [<%= vars.app_runtime_abbr %> Components](architecture/index.html)
<% end %>