求助, 服务器上用 Docker 部署 Gitlab + CI / CD

我想在服务器上用 Docker 部署 Gitlab + CI/CD，我想用一个 docker-compose 把配置全写好. Github 上看了不少，也做了不少尝试，但水平有限，希望各位指点下，也可以加bnpiZXRh，一起趟坑.

我的 runner 是不是不应该写在这里, 因为可能会有好几个.

多谢.

version: '3'
services:
  gitlab:
    image: gitlab/gitlab-ce
    restart: always
    container_name: gitlab-ce
    hostname: "${SERVER_IP}"
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url "http://${SERVER_IP}:9001"
        gitlab_rails['time_zone'] = 'Pacific/Auckland'
        gitlab_rails['gitlab_shell_ssh_port'] = 9002
        letsencrypt['enable'] = false

        # Configure headers for outgoing email.
        gitlab_rails['gitlab_email_enabled'] = true
        gitlab_rails['gitlab_email_from'] = 'no-reply@${SERVER_IP}'
        gitlab_rails['gitlab_email_display_name'] = 'GitLab'
        gitlab_rails['gitlab_email_reply_to'] = 'no-reply@${SERVER_IP}'

        # Send outgoing email via the SMTP container:
        gitlab_rails['smtp_enable'] = true
        gitlab_rails['smtp_address'] = "mail"
        gitlab_rails['smtp_port'] = 25
        gitlab_rails['smtp_tls'] = false

        # Limit backup lifetime to 7 days (604800 seconds):
        # gitlab_rails['backup_keep_time'] = 604800

        # GitLab Pages
        pages_external_url "http://${SERVER_IP}:9005"
    ports:
      # - '9003:80'
      # - '9004:443'
      - '9001:9090'
      - '9002:22'
    volumes:
      - ./volumes/config:/etc/gitlab
      - ./volumes/logs:/var/log/gitlab
      - ./volumes/data:/var/opt/gitlab
    depends_on:
      - redis
      - postgres

  mail:
    image: bytemark/smtp
    container_name: gitlab-mail
    restart: always

  runner:
    image: gitlab/gitlab-runner
    restart: always
    container_name: gitlab_runner
    environment:
      - CI_SERVER_URL=http://${SERVER_IP}:9001/
    volumes:
      - ./volumes/runner/runner1:/etc/gitlab-runner
      - ./volumes/runner/runner1/var/docker.sock:/var/run/docker.sock:rw

  postgres:
    image: postgres
    restart: always
    container_name: gitlab_pg
    # http://github.com/docker-library/docs/tree/master/postgres#environment-variables
    environment:
      POSTGRES_USER: gitlab
      POSTGRES_PASSWORD: gitlab
      POSTGRES_DB: gitlab
    volumes:
      - ./volumes/postgres:/var/lib/postgresql/data
    restart: always

  redis:
    image: redis
    restart: always
    container_name: gitlab_redis
    command:
      - --loglevel warning
    volumes:
      - ./volumes/postgres:/var/lib/redis
    restart: always