Pantheon

Ensure you are familiar with the Pantheon WebOps Workflow (opens in new tab), which describes how code moves between Dev, Test, and Live environments. 
UM-specific Follow the instructions on the Pantheon website to configure DNS and get an SSL certificate while keeping the following things in mind:
UM-specific Follow the instructions on the Pantheon website to connect a domain name while keeping the following in mind.
Log in to the ITS Web Hosting Services self-service portal (opens in new tab). Click Website Management. Click Create Pantheon Website. Complete the fields that display. For more information about Shortcodes and Managing MCommunity Group, see Managing Pantheon Websites. Click Create Website.
Creating a website with U-M Pantheon requires three main steps.
Follow the instructions on the Pantheon website to deploy your website to the Live environment (opens in new tab).
Team access to sites in U-M Pantheon is managed via MCommunity groups.  Membership in the "Managing MCommunity Group" provided during Website creation in the ITS Web Services self-service portal determines who has access to a site in the Pantheon dashboard. The MCommunity group associated with a site can be changed through the ITS Web Services self-service portal.  Changes made through the self-service portal are synced immediately to Pantheon.
Access to site management functionality via the ITS Web Hosting Services Portal and the Pantheon dashboard is based on the Managing MCommunity Group selected during the site-creation process.
UM-specific Move your website to a paid plan.
Publishing a website with U-M Pantheon (i.e., "launching it" or "going live") requires six main steps. Some of the steps are specific to U-M’s instance of Pantheon and can't be done if you are following only the documentation on Pantheon's website. These steps are labeled UM-specific.