What is GitLab
GitLab is an open source end-to-end software development platform with built-in version control, issue tracking, code review, CI/CD, and more. Self-host GitLab on your own servers, in a container, or on a cloud provider. -https://gitlab.com/gitlab-org/gitlab
Installing Docker
Running GitLab
Documentation: https://hub.docker.com/r/gitlab/gitlab-ce/