production worthy gitlab, just snapshot the host daily..

docker-compose.yml

---
version: '2'

services:

  traefik:
    image: traefik
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./traefik/traefik.toml:/etc/traefik/traefik.toml:ro
      - ./traefik/acme:/etc/traefik/acme
    ports:
     - "80:80"
     - "443:443"
     - "8080:8080"

  redis:
    restart: always
    image: sameersbn/redis:latest
    command:
    - --loglevel warning
    volumes:
    - /docker/gitlab/redis:/var/lib/redis:Z

  postgresql:
    restart: always
    image: sameersbn/postgresql:9.6-2
    volumes:
    - /docker/gitlab/postgresql:/var/lib/postgresql:Z
    environment:
    - DB_USER=gitlab
    - DB_PASS={{db_pass}}
    - DB_NAME=gitlabhq_production
    - DB_EXTENSION=pg_trgm

  runner:
    image: gitlab/gitlab-runner:latest
    restart: always
    depends_on:
      - gitlab
    volumes:
      - /docker/runner/:/etc/gitlab-runner
      - /var/run/docker.sock:/var/run/docker.sock:ro


  gitlab:
    labels:
      traefik.port: "80"
      traefik.enable: "true"
      traefik.backend: "gitlab"
      traefik.frontend.rule: "Host:git.example.com"
      traefik.frontend.headers.customRequestHeaders: "X-Forwarded-Ssl:on"
    restart: always
    image: sameersbn/gitlab:10.8.3-1
    depends_on:
    - redis
    - postgresql

    ports:
    - "222:22"

    volumes:
    - /docker/gitlab/gitlab:/home/git/data:Z
    environment:
    - DEBUG=false

    - DB_ADAPTER=postgresql
    - DB_HOST=postgresql
    - DB_PORT=5432
    - DB_USER=gitlab
    - DB_PASS={{db_pass}}
    - DB_NAME=gitlabhq_production

    - REDIS_HOST=redis
    - REDIS_PORT=6379

    - TZ=Europe/London
    - GITLAB_TIMEZONE=London

    - GITLAB_HTTPS=true
    - SSL_SELF_SIGNED=false

    - GITLAB_HOST=git.example.com
    - GITLAB_PORT=443
    - GITLAB_SSH_PORT=222
    - GITLAB_RELATIVE_URL_ROOT=
    - GITLAB_SECRETS_DB_KEY_BASE={{key_base}}
    - GITLAB_SECRETS_SECRET_KEY_BASE={{secret_key}}
    - GITLAB_SECRETS_OTP_KEY_BASE={{otp_key}}

    - GITLAB_ROOT_PASSWORD={{default_passwd}}
    - GITLAB_ROOT_EMAIL=

    - GITLAB_NOTIFY_ON_BROKEN_BUILDS=true
    - GITLAB_NOTIFY_PUSHER=false

    - GITLAB_EMAIL=notifications@example.com
    - GITLAB_EMAIL_REPLY_TO=noreply@example.com
    - GITLAB_INCOMING_EMAIL_ADDRESS=reply@example.com

    - GITLAB_BACKUP_SCHEDULE=daily
    - GITLAB_BACKUP_TIME=01:00

    - SMTP_ENABLED=false
    - SMTP_DOMAIN=www.example.com
    - SMTP_HOST=smtp.gmail.com
    - SMTP_PORT=587
    - SMTP_USER=mailer@example.com
    - SMTP_PASS=password
    - SMTP_STARTTLS=true
    - SMTP_AUTHENTICATION=login

    - IMAP_ENABLED=false
    - IMAP_HOST=imap.gmail.com
    - IMAP_PORT=993
    - IMAP_USER=mailer@example.com
    - IMAP_PASS=password
    - IMAP_SSL=true
    - IMAP_STARTTLS=false