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13.5.2. Informational Environment Variables
Informational environment variables provide information about an application. These variables are always available to the application, regardless of which cartridges the application is using.
| Environment Variable Name | Purpose |
|---|---|
OPENSHIFT_APP_DNS | The fully-qualified domain namespace of the application. |
OPENSHIFT_APP_NAME | The name of the application. |
OPENSHIFT_APP_UUID | The UUID of the application (32 hexadecimal characters). |
OPENSHIFT_Cart_Name_IP | The IP address the application listens on. |
OPENSHIFT_Cart_Name_PORT | The port the application receives requests from. |
OPENSHIFT_SECRET_TOKEN | A 128-character string unique to an application that can be used for authentication, and can be overridden with the rhc env set command. |
