Docker version 17.09.0-ce, build afdb6d4
docker-compose version 1.16.1, build 6d1ac21

version: '3.3'

networks:
   proxy:
     external: true
   internal:
     external: false

services:
  gitlab:
    image: gitlab/gitlab-ce:latest
    container_name: gitlab
    environment:
        - TZ=Europe/Paris
        - GITLAB_TIMEZONE=Paris
        - IMAP_USER=USER@GMAIL.COM
        - IMAP_PASSWORD=MYGMAILPASS
        - GITLAB_INCOMING_EMAIL_ADDRESS=USERGMAIL+%{key}@gmail.com
    volumes:
        - /srv/gitlab/config:/etc/gitlab
        - /srv/gitlab/logs:/var/log/gitlab
        - /srv/gitlab/data:/var/opt/gitlab
    restart: always
    labels:
        - traefik.backend=gitlab
        - traefik.frontend.rule=Host:git.domain.com
        - traefik.docker.network=proxy
        - traefik.port=80
        - traefik.frontend.entryPoints=http,https
    networks:
        - internal
        - proxy