| title: | Formation |
|---|---|
| description: | A Deis formation is a set of infrastructure used to host applications and services |
| keywords: | formation, deis |
A :ref:`formation` is a set of infrastructure used to host :ref:`Applications <application>` and services. Each formation includes :ref:`Layers <layer>` of :ref:`Nodes <node>`, and is managed by a single :ref:`Controller`.