13.5.3. Directory Environment Variables

Directory environment variables return the directories where an application resides. These variables are always available to the application, regardless of which cartridges the application is using.

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Table 13.4. Directory Environment Variables
Environment Variable Name	Purpose
`OPENSHIFT_HOMEDIR`	The home directory of the application.
`OPENSHIFT_DATA_DIR`	A persistent data directory.
`OPENSHIFT_REPO_DIR`	Repository containing the currently deployed version of the application.
`OPENSHIFT_TMP_DIR`	A temporary directory you can use; SELinux protects data in this directory from other users.
`OPENSHIFT_LOG_DIR`	Where all cartridge logs are stored.

Note

Many of these directories are emptied and rebuilt whenever new code is pushed to an application. The only persistent directory is OPENSHIFT_DATA_DIR. Therefore, Red Hat recommends that you store persistent files in the OPENSHIFT_DATA_DIR directory.

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13.5.3. Directory Environment Variables

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