There are three main URLs that are utilized by Open edX. For example:

• example.com – The main Open edX site (LMS)
• studio.example.com – The course authoring site (Studio, CMS)
• preview.example.com – Site to preview course as you develop in the CMS

These URLs are set by the following variables:

EDXAPP_LMS_BASE: “example.com”

EDXAPP_PREVIEW_LMS_BASE: “preview.example.com”

EDXAPP_CMS_BASE: “studio.example.com”

EDXAPP_SITE_NAME: “example.com”

EDXAPP_LMS_SITE_NAME: “example.com”

EDXAPP_CMS_SITE_NAME: “studio.example.com”