Gitlab

/etc/gitlab/gitlab.rb

external_url 'http://1.1.1.1:11180'
gitlab_rails['gitlab_shell_ssh_port'] = 11122

Adjust ENV variable GITLAB_OMNIBUS_CONFIG adding the following options:

"external_url 'https://gitlab.example.com' ; gitlab_rails['gitlab_shell_ssh_port'] = 10022"

Adjust ENV variable GITLAB_OMNIBUS_CONFIG adding the following options:

"external_url 'https://gitlab.example.com' ; letsencrypt['disable'] ; nginx['listen_port'] = 80 ;  nginx['listen_https']=false"

Adjust your gitlab-runner config (/etc/gitlab-runner/config.toml) with the following options:

[[runners]]
  url = "http://<YOUR_GITLAB_CONTAINER_NAME>/"
  clone_url = "https://gitlab.example.com/"
  [runners.docker]
    image = "docker:stable"
    volumes = ["/var/run/docker.sock:/var/run/docker.sock", "/cache"]