Dockerコンテナを更新するにあたって、マルチコンテナの設定ファイルをコピーしておく。

gitlab on QNAP.yaml

gitlab:
  environment:
    DEBUG: 'false'
    GITLAB_PORT: 10080
    GITLAB_SECRETS_DB_KEY_BASE: qcs-gitlab-app
    GITLAB_SSH_PORT: 10022
  image: sameersbn/gitlab:8.9.6-1
  links:
  - redis:redisio
  - postgresql:postgresql
  ports:
  - 10080:80
  - '10022:22'
  restart: always
postgresql:
  environment:
    DB_EXTENSION: pg_trgm
    DB_NAME: gitlabhq_production
    DB_PASS: password
    DB_USER: gitlab
  image: sameersbn/postgresql:9.4-23
  restart: always
redis:
  command:
  - --loglevel warning
  image: sameersbn/redis:latest
  restart: always