Using GitLab SSO on a self-hosted instance of Infisical requires configuring an OAuth application in GitLab and registering your instance with it.
Create an OAuth application in GitLab
Navigate to your user Settings > Applications to create a new GitLab application.
Create the application. As part of the form, set the Redirect URI to
Note that only
read_user is required as part of the Scopes configuration.
If you have a GitLab group, you can create an OAuth application under it in your group Settings > Applications.
Add your OAuth application credentials to Infisical
Obtain the Application ID and Secret for your GitLab application.
Back in your Infisical instance, make sure to set the following environment variables:
CLIENT_ID_GITLAB_LOGIN: The Client ID of your GitLab application.
CLIENT_SECRET_GITLAB_LOGIN: The Secret of your GitLab application.
URL_GITLAB_LOGIN: The URL of your self-hosted instance of GitLab where the OAuth application is registered. If no URL is passed in, this will default to
AUTH_SECRET: A secret key used for signing and verifying JWT. This can be a random 32-byte base64 string generated with
openssl rand -base64 32.
SITE_URL: The URL of your self-hosted instance of Infisical - should be an absolute URL including the protocol (e.g. https://app.infisical.com)
Once added, restart your Infisical instance and log in with GitLab.