Install

https://docs.gitlab.com/omnibus/docker/README.html

hostnamectl set-hostname cicd.example.com
getenforce
Enforcing

Because of selinux

sudo docker run --detach \
    --hostname gitlab.example.com \
    --publish 30443:443 --publish 30080:80 --publish 30022:22 \
    --name gitlab \
    --restart always \
    --volume /srv/gitlab/config:/etc/gitlab:Z \
    --volume /srv/gitlab/logs:/var/log/gitlab:Z \
    --volume /srv/gitlab/data:/var/opt/gitlab:Z \
    gitlab/gitlab-ce:latest

switch to user admin

visudo
usermod -aG docker admin
id admin
sudo su - admin

GitLab config

to acccess gitlab's configuration file. you can start shell session in the context of a running container. This will allow you to browse all directory and use your favarite text editor

sudo docker exec -it gitlab /bin/bash

you can also just edit /etc/gitlab/gitlab.rb

sudo docker exec -it gitlab vi /etc/gitlab/gitlab.rb

sudo docker restart gitlab
sudo docker stop gitlab
sudo docker rm gitlab

Upgrade Gitlab to newver version

sudo docker restart gitlab
sudo docker stop gitlab
sudo docker rm gitlab


sudo docker pull gitlab/gitlab-ce:latest

sudo docker run --detach \
--hostname gitlab.example.com \
--publish 30443:443 --publish 30080:80 --publish 30022:22 \
--name gitlab \
--restart always \
--volume /srv/gitlab/config:/etc/gitlab:Z \
--volume /srv/gitlab/logs:/var/log/gitlab:Z \
--volume /srv/gitlab/data:/var/opt/gitlab:Z \
gitlab/gitlab-ce:latest

80 \(HTTP\)

443 \(if you configure HTTPS\)

8080 \(used by Unicorn\)

22 \(used by the SSH daemon\)