Instalar Gitlab CI con Docker

version: '3'

services:
  gitlab:
    image: gitlab/gitlab-ce:latest
    container_name: gitlab
    restart: always
    hostname: HOSTNAME
    environment:
      GITLAB_OMNIBUS_CONFIG: |
        external_url 'http://HOSTNAME'
        gitlab_rails['gitlab_shell_ssh_port'] = 2222
    ports:
      - "9500:80"
      - "2222:22"
    volumes:
      - ./data/gitlab/config:/etc/gitlab
      - ./data/gitlab/logs:/var/log/gitlab
      - ./data/gitlab/data:/var/opt/gitlab
    networks:
      - web

runner:
    image: gitlab/gitlab-runner:latest
    container_name: gitlab-runner
    restart: always
    volumes:
      - /srv/gitlab/runner/config:/etc/gitlab-runner
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - web

networks:
  web:
    external: true