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GitLab exposes certain environment variables which can be used to override their defaults values.
People usually configure GitLab with /etc/gitlab/gitlab.rb for Omnibus installations, or gitlab.yml for installations from source.
You can use the following environment variables to override certain values:
Supported environment variables
| Variable | Type | Description |
|---|---|---|
DATABASE_URL | string | The database URL; is of the form: postgresql://localhost/blog_development. |
ENABLE_BOOTSNAP | string | Toggles Bootsnap for speeding up initial Rails boot. Enabled by default for non-production environments. Set to 0 to disable. |
EXTERNAL_URL | string | Specify the external URL at the time of installation. |
EXTERNAL_VALIDATION_SERVICE_TIMEOUT | integer | Timeout, in seconds, for an external CI/CD pipeline validation service. Default is 5. |
EXTERNAL_VALIDATION_SERVICE_URL | string | URL to an external CI/CD pipeline validation service. |
EXTERNAL_VALIDATION_SERVICE_TOKEN | string | The X-Gitlab-Token for authentication with an external CI/CD pipeline validation service. |
GITLAB_CDN_HOST | string | Sets the base URL for a CDN to serve static assets (for example, https://mycdnsubdomain.fictional-cdn.com). |
GITLAB_EMAIL_DISPLAY_NAME | string | The name used in the From field in emails sent by GitLab. |
GITLAB_EMAIL_FROM | string | The email address used in the From field in emails sent by GitLab. |
GITLAB_EMAIL_REPLY_TO | string | The email address used in the Reply-To field in emails sent by GitLab. |
GITLAB_EMAIL_SUBJECT_SUFFIX | string | The email subject suffix used in emails sent by GitLab. |
GITLAB_HOST | string | The full URL of the GitLab server (including http:// or https://). |
GITLAB_MARKUP_TIMEOUT | string | Timeout, in seconds, for rest2html and pod2html commands executed by the gitlab-markup gem. Default is 10. |
GITLAB_ROOT_PASSWORD | string | Sets the password for the root user on installation. |
GITLAB_SHARED_RUNNERS_REGISTRATION_TOKEN | string | Sets the initial registration token used for runners. |
RAILS_ENV | string | The Rails environment; can be one of production, development, staging, or test. |
UNSTRUCTURED_RAILS_LOG | string | Enables the unstructured log in addition to JSON logs (defaults to true). |
Adding more variables
We welcome merge requests to make more settings configurable by using variables. Make changes to the config/initializers/1_settings.rb file, and use the naming scheme GITLAB_#{name in 1_settings.rb in upper case}
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