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-rw-r--r--doc/administration/environment_variables.md1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/administration/environment_variables.md b/doc/administration/environment_variables.md
index b6676026d06..3f642106d23 100644
--- a/doc/administration/environment_variables.md
+++ b/doc/administration/environment_variables.md
@@ -13,6 +13,7 @@ override certain values.
Variable | Type | Description
-------- | ---- | -----------
+`CDN_HOST` | string | Sets the hostname for a CDN to serve static assets (e.g. `mycdnsubdomain.fictional-cdn.com`)
`GITLAB_ROOT_PASSWORD` | string | Sets the password for the `root` user on installation
`GITLAB_HOST` | string | The full URL of the GitLab server (including `http://` or `https://`)
`RAILS_ENV` | string | The Rails environment; can be one of `production`, `development`, `staging` or `test`