Gitlab numa tacada só

.env

GITLAB_HOSTNAME=gitlab.meudns.com.br
GITLAB_EXTERNAL_URL=http://gitlab.meudns.com.br
# referencia ao container do gitlab
CI_SERVER_URL=http://gitlab
REGISTRATION_TOKEN=5mLV42axOkD6GqGE8kWFjCCUebMG0xnJ

docker-compose.yml

  gitlab:
    container_name: gitlab
    image: 'gitlab/gitlab-ce:latest'
    restart: always
    hostname: $GITLAB_HOSTNAME
    # ports:
    #   - '80:80'
    #   - '443:443'
    #   - '422:22'
    #   - '4567:4567'
    volumes:
      - '/srv/gitlab/config:/etc/gitlab'
      - '/srv/gitlab/logs:/var/log/gitlab'
      - '/srv/gitlab/data:/var/opt/gitlab'
      - './gitlab/gitlab.rb:/etc/gitlab/gitlab.rb'
  
  runner-1:
    restart: always
    depends_on: 
      - gitlab
    container_name: 'gitlab-runner-alpine-a'
    image: gitlab/gitlab-runner:alpine
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - /srv/gitlab-runner/config:/etc/gitlab-runner
    command:
      - register
      - --non-interactive
      - --locked=false
      - --name=local-runner
      - --executor=docker
    environment:
      - CI_SERVER_URL: $CI_SERVER_URL
      - REGISTRATION_TOKEN: $REGISTRATION_TOKEN

gitlab.rb

external_url 'https://gitlab.meudns.com.br/'
gitlab_rails['initial_shared_runners_registration_token'] = "5mLV42axOkD6GqGE8kWFjCCUebMG0xnJ"
## pode ignorar o que estiver abaixo, o que é necessário é apenas que o token inicial seja conhecido
nginx['listen_addresses'] = ['127.0.0.1', '[::1]']
nginx['listen_port'] = 8081
nginx[‘custom_gitlab_server_config’] = “location ^~/.well-known {\n alias /opt/gitlab/embedded/service/gitlab-rails/public/.well-known;\n}\n”
registry_nginx['enable'] = true
registry_nginx['listen_port'] = 4567
registry_external_url 'https://gitlab.meudns.com.br:4567'