:title: Your PaaS. Your Rules. :description: Welcome to Deis, the open source PaaS. Welcome ======= Deis (pronounced DAY-iss) is an open source PaaS that makes it easy to deploy and manage applications on your own servers. Deis builds upon Docker and CoreOS to provide a lightweight PaaS with a Heroku-inspired workflow. To get started with Deis, first read :ref:`Understanding Deis ` then use :ref:`installing_deis` to start provisioning your cluster. The full documentation tree can be seen :ref:`here `. .. image:: ../controller/web/static/img/deis-graphic.png :alt: Deis cover logo