Changing the navigation bar and email header logo
You can customize the logo that appears in email headers and in the navigation bar on pages that are displayed by your GitLab server.
Navigate to the Admin area and go to the Appearance page, then locate the Navigation bar section.
For the Header Logo, choose an image file of the logo for your organization.
Save your changes.
Your GitLab navigation bar will display the custom logo:
The GitLab pipeline emails will also display the custom logo: