码头工人升级而不泄露数据

Question

Guy，我有下面的yaml文件: docker root@Raspberrypi4 4:/home/pi/zwaljs2mqtt# more docker-compose.yaml

services:
  zwavejs2mqtt:
    container_name: zwavejs2mqtt
    image: zwavejs/zwavejs2mqtt:latest
    restart: always
    tty: true
    stop_signal: SIGINT
    environment:
      - SESSION_SECRET=mysupersecretkey
      - ZWAVEJS_EXTERNAL_CONFIG=/usr/src/app/store/.config-db
      # Uncomment if you want logs time and dates to match your timezone instead of UTC
      # Available at https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
      #- TZ=America/New_York
      - TZ=Asia/Nicosia
    networks:
      - zwave
    devices:
      # Do not use /dev/ttyUSBX serial devices, as those mappings can change over time.
      # Instead, use the /dev/serial/by-id/X serial device for your Z-Wave stick.
      - '/dev/zwave:/dev/zwave'
    volumes:
      - zwave-config:/usr/src/app/store
    ports:
      - '8091:8091' # port for web interface
      - '3000:3000' # port for Z-Wave JS websocket server
networks:
  zwave:
volumes:
  zwave-config:
    name: zwave-config

我正在启动对接者发出命令“对接-组成--分离”。如何在不丢失驻留在码头内的任何数据的情况下执行码头升级？

Answer 1

数据应该存储在卷中，允许您使用docker-compose pull和docker-compose up -d提取新图像并使用这些新映像重新启动服务。

如果数据没有存储在卷中，它将在docker diff的输出中可见，您可以尝试使用docker cp提取该数据。

有关这些命令的更多详细信息，请参见以下文档：

• https://docs.docker.com/engine/reference/commandline/diff/
• https://docs.docker.com/engine/reference/commandline/cp/