From a client device, you would either create a new project to upload or else set this server up as a new remote for an existing Git repository.

Jack Wallen shows you how to install the user-friendly local Git repository Gitea on Ubuntu Server 22.04.

One of a developer's first tasks when they start with GitLab is to clone the GitLab repository. Here's how to create a GitLab repository and clone it from the server to a local machine.

If you wanted, you could integrate your Git server with your other services. For example, imagine a Gitea server on your NAS that stores your files in a folder that Nextcloud can access.

Git fork vs. clone: What's the difference? Both Git fork and clone create copies of a repository, but they offer drastically different levels of access, isolation and control over the target repo.