Gitlab CI compose-file

gitlab.yml

version: "3.0"
networks:
  net:
    driver: overlay
  traefik:
    external:
      name: traefik_net
volumes:
  runner:
  gitlab:
  logs:
  data:
services:
  runner:
    image: gitlab/gitlab-runner:latest
    networks:
      - net
    volumes:
      - runner:/etc/gitlab-runner
      - /var/run/docker.sock:/var/run/docker.sock
    deploy:
      mode: global
      placement:
        constraints:
          - engine.labels.node.type == worker
      restart_policy:
        condition: on-failure
  gitlab:
    image: gitlab/gitlab-ce:latest
    networks:
      - net
      - traefik
    volumes:
      - gitlab:/etc/gitlab
      - logs:/var/log/gitlab
      - data:/var/opt/gitlab
    deploy:
      placement:
        constraints:
          - engine.labels.node.type == worker
          - node.hostname == worker-1
      restart_policy:
        condition: on-failure
      labels:
        traefik.port: 80
        traefik.frontend.rule: Host:gitlab.domain
        traefik.backend.loadbalancer.sticky: "true"
        traefik.docker.network: traefik_net