I'm tremendously happy with Gitea - https://gitea.io/ https://gitea.io/ - which in my opinion gets you as close as you can come to your own self-hosted version

I'm tremendously happy with Gitea - https://gitea.io/ https://gitea.io/ - which in my opinion gets you as close as you can come to your own self-hosted version of GitHub, installed and ready to use in just minutes.