services:
  gitlab:
    image: 'gitlab/gitlab-ce:latest'
    container_name: gitlab
    restart: always
    hostname: '${SERVICE_URL_GITLAB}'
    environment:
      - SERVICE_FQDN_GITLAB_80
      - EXTERNAL_URL=$SERVICE_FQDN_GITLAB
      - GITLAB_HOST=$SERVICE_FQDN_GITLAB
      - GITLAB_OMNIBUS_CONFIG="external_url=${SERVICE_FQDN_GITLAB}; gitlab_rails['gitlab_shell_ssh_port'] = 2222"
    ports:
      - '2222:22'
    volumes:
      - 'gitlab-config:/etc/gitlab'
      - 'gitlab-logs:/var/log/gitlab'
      - 'gitlab-data:/var/opt/gitlab'
    shm_size: 256m