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docker-compose里两种设置volumes方式

绝对路径的

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ghost: 
  image: ghost
  volumes:
    - ./ghost/config.js:/var/lib/ghost/config.js

卷标的

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version: "3.2"
services:
  ch:
    build:
        context: .
        dockerfile: clickhouse.Dockerfile
        cache_from:
            - yandex/clickhouse-server:latest
    ports:
        - "8123:8123"
    volumes:
        -  ch_db:/var/lib/clickhouse
    networks:
        - clickhouse
#    restart: always
  tabix:
    image: spoonest/clickhouse-tabix-web-client
    ports:
        - "8124:80"
    networks:
        - clickhouse
    depends_on:
        - ch
networks:
    clickhouse:
volumes:
    ch_db:

第一种情况路径直接挂载到本地，比较直观，但需要管理本地的路径，而第二种使用卷标的方式，比较简洁，但你不知道数据存在本地什么位置，下面说明如何查看docker的卷标

  • 查看所有卷标
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docker volume ls
  • 查看批量的卷标
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$ docker volume ls | grep mysql

local               vagrant_mysql
  • 查看具体的volume对应的真实地址
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docker volume inspect clickhouse_ch_db
[
    {
        "CreatedAt": "2021-11-18T03:29:17Z",
        "Driver": "local",
        "Labels": {
            "com.docker.compose.project": "clickhouse",
            "com.docker.compose.version": "2.1.1",
            "com.docker.compose.volume": "ch_db"
        },
        "Mountpoint": "/var/lib/docker/volumes/clickhouse_ch_db/_data",
        "Name": "clickhouse_ch_db",
        "Options": null,
        "Scope": "local"
    }
]