下载镜像并启动
docker run -d --name gitlab-runner --restart always -v /home/gitlab-runner/config:/etc/gitlab-runner -v /var/run/docker.sock:/var/run/docker.sock gitlab/gitlab-runner:latest
进入gitlab-runner容器内
docker exec -it gitlab-runner bash
执行以下命令，注册gitlab-runner
修改配置文件
vim /home/gitlab-runner/config/config.toml
volumes = ["/cache","/var/run/docker.sock:/var/run/docker.sock"]
docker restart gitlab-runner