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如何通过docker-compose运行Diskover?连接Elasticsearch遇故障

问题描述

尝试通过docker-compose运行Diskover,初始使用linuxserver/diskover镜像官方提供的docker-compose文件时无法连接Elasticsearch;修改配置后,Diskover 2.2.2可启动,前端能打开且可修改密码,但启动日志中出现错误:cp: cannot stat '/app/diskover-web/public/*.sample': No such file or directory。Elasticsearch容器无报错,且可通过localhost:9200访问,但问题仍未解决。

使用的docker-compose配置

services:
  diskover:
    image: lscr.io/linuxserver/diskover
    container_name: diskover
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=America/New_York
      - ES_HOST=elasticsearch
      - ES_PORT=9200
    volumes:
      - /path/to/diskover/config:/config
      - /home/:/data
    ports:
      - 8000:80
    mem_limit: 4096m
    restart: unless-stopped
    depends_on:
      - elasticsearch

  elasticsearch:
    image: elasticsearch:8.8.0
    container_name: elasticsearch
    ports:
      - 9200:9200
      - 9300:9300
    environment:
      - discovery.type=single-node
      - xpack.security.enabled=false

容器启动日志

Attaching to diskover, elasticsearch-1
diskover         | [migrations] started
diskover         | [migrations] 01-nginx-site-confs-default: skipped
diskover         | [migrations] done
diskover         | ───────────────────────────────────────
diskover         | 
diskover         |       ██╗     ███████╗██╗ ██████╗
diskover         |       ██║     ██╔════╝██║██╔═══██╗
diskover         |       ██║     ███████╗██║██║   ██║
diskover         |       ██║     ╚════██║██║██║   ██║
diskover         |       ███████╗███████║██║╚██████╔╝
diskover         |       ╚══════╝╚══════╝╚═╝ ╚═════╝
diskover         | 
diskover         |    Brought to you by linuxserver.io
diskover         | ───────────────────────────────────────
diskover         | 
diskover         | To support LSIO projects visit:
diskover         | https://www.linuxserver.io/donate/
diskover         | 
diskover         | ───────────────────────────────────────
diskover         | GID/UID
diskover         | ───────────────────────────────────────
diskover         | 
diskover         | User UID:    1000
diskover         | User GID:    1000
diskover         | ───────────────────────────────────────
diskover         | 
diskover         | using keys found in /config/keys
diskover         | cp: cannot stat '/app/diskover-web/public/*.sample': No such file or directory
diskover         | [custom-init] No custom files found, skipping...
diskover         | [ls.io-init] done.
解决方案

1. 修复*.sample文件缺失报错

这个错误是容器启动脚本尝试复制不存在的示例文件导致的,可通过以下两种方式处理:

  • 手动创建缺失文件
    进入diskover容器:
docker exec -it diskover bash

创建目录并生成空示例文件:

mkdir -p /app/diskover-web/public
touch /app/diskover-web/public/placeholder.sample

退出容器后重启:

docker restart diskover
  • 注释启动脚本中的复制命令
    进入容器找到启动脚本(通常在/etc/cont-init.d/目录下),找到执行cp /app/diskover-web/public/*.sample的行,注释后保存并重启容器。

2. 验证容器间网络连通性

虽然本地能访问ES,但需确认diskover容器能否和elasticsearch容器通信:
执行命令检查连通性:

docker exec diskover ping elasticsearch

如果无法ping通,检查docker-compose的网络配置——同一compose文件的服务默认在同一网络,若仍有问题,可显式添加网络配置。

同时检查挂载的Diskover配置文件/path/to/diskover/config/diskover/config.ini,确保ES配置与环境变量一致:

[elasticsearch]
host = elasticsearch
port = 9200

3. 调整Elasticsearch版本

Diskover 2.2.2与ES 8.x版本存在兼容性问题,建议切换到ES 7.x稳定版(如7.17.x),修改docker-compose中elasticsearch的镜像:

elasticsearch:
  image: elasticsearch:7.17.12
  container_name: elasticsearch
  ports:
    - 9200:9200
    - 9300:9300
  environment:
    - discovery.type=single-node
    - xpack.security.enabled=false

修改后重新部署:

docker-compose down && docker-compose up -d

内容的提问来源于stack exchange,提问作者Soerendip

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最近更新时间:2026.06.20 10:54:55