Gitlab

instalando

apt-get install curl openssh-server ca-certificates postfix
curl -sS https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | bash
apt-get install gitlab-ce

configurando

gitlab-ctl reconfigure

com let encrypt

• https://www.digitalocean.com/community/tutorials/how-to-secure-gitlab-with-let-s-encrypt-on-ubuntu-16-04
• https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-debian-8

desabilitando criação de usuário pelo página pública

• https://gitlab.seudomino.tld/admin/application_settings
• https://forum.gitlab.com/t/disable-user-creation-on-welcome-page/806/4

referências

• https://about.gitlab.com/downloads/#debian8
• http://docs.gitlab.com/ce/install/requirements.html
• https://www.vivaolinux.com.br/artigo/Instalacao-do-Gitlab-e-introducao-ao-Git

com letsencrypt

• http://stackoverflow.com/questions/34189199/how-do-i-use-let-s-encrypt-with-gitlab
• https://about.gitlab.com/2016/04/11/tutorial-securing-your-gitlab-pages-with-tls-and-letsencrypt/
• https://gitlab.com/gitlab-com/blog-posts/issues/24
• http://blog.nicolas-brousse.fr/articles/2016-05-30-letsencrypt-on-gitlab/
• http://kelan.io/2016/using-lets-encrypt-to-add-ssl-to-gitlab/
• https://webnugget.de/setting-up-gitlab-with-free-ssl-certs-from-lets-encrypt-on-ubuntu-14-04/
• http://flo.livezon.com/2016/02/secure-your-gitlab-with-letsencrypt-certificates/