docker-compose.yml

version: "3.6"
services:
  front:
    image: 'gitlab/gitlab-ce:latest'
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'https://gitlab.example.com'
        gitlab_rails['gitlab_shell_ssh_port'] = 2222
        nginx['listen_port'] = 80
        nginx['listen_https'] = false
        nginx['proxy_set_headers'] = {
                'X-Forwarded-Proto' => 'https',
                'X-Forwarded-Ssl' => 'on',
                'Host' => 'gitlab.example.com'
                }
        registry['enable'] = true
        registry_external_url 'https://registry.example.com'
        registry_nginx['listen_port'] = 80
        registry_nginx['listen_https'] = false
    networks:
      - traefik
    deploy:
      labels:
        - "traefik.enable=true"
        - "traefik.git.frontend.rule=Host:gitlab.example.com"
        - "traefik.git.port=80"
        - "traefik.git.frontend.entryPoints=http,https"
        - "traefik.registry.frontend.rule=Host:registry.example.com"
        - "traefik.registry.port=80"
        - "traefik.registry.frontend.entryPoints=http,https"
        - "traefik.docker.network=traefik_default"
    ports:
      - '2222:22'

networks:
  traefik:
    external: true
    name: traefik_default