install gitlab on docker container code example
Example: Gitlab docker installation
sudo docker run --detach \
--hostname yourhostname.com \
--publish 443:443 --publish 80:80 --publish 222:22 \
--name gitlab \
--restart always \
--volume /srv/gitlab/config:/etc/gitlab \
--volume /srv/gitlab/logs:/var/log/gitlab \
--volume /srv/gitlab/data:/var/opt/gitlab \
gitlab/gitlab-ce:latest