Using Docker Compose, we can quickly achieve a self-hosted deployment of GitLab, boosting code management and CI/CD automation. GitLab Runner is the CI/CD component responsible for executing jobs.

1. Preparation

1. Install Docker & Docker Compose:

   sudo apt update
   sudo apt install -y docker.io docker-compose
   sudo systemctl enable docker --now

2. Configure Docker Registry Mirror (Optional, for better speeds in some regions):

   sudo mkdir -p /etc/docker
   sudo tee /etc/docker/daemon.json <<-'EOF'
   {
       "registry-mirrors": [
           "https://docker.1panel.live"
       ]
   }
   EOF
   sudo systemctl daemon-reload && sudo systemctl restart docker

3. Create Data Directories:

   mkdir -p /srv/gitlab/data /srv/gitlab/logs /srv/gitlab/config /mnt/host/gitlab-pages /etc/gitlab-runner