问题场景:

环境:

Windows 10

Docker Desktop 4.16

项目需要构建一个all-in-one容器,在容器内将项目所有其他容器启动。
例如postgresqlredis 等组件

这些组件全部配置在docker-compose.yml

docker-compose.yml 位于all-in-one容器内

现在我们用一个命令先启动 all-in-one 容器,该容器挂载了docker.sock 用于操作docker engine

docker run -p 5888:5888 -p 80:80 -p 443:443 -it -v c:/project/etc/bp:/etc/bp -v c:/project/tmp/:/opt/tmp -v c:/project/home/project_storage:/home/project_storage  -v  //var/run/docker.sock:/var/run/docker.sock --name=abc debian11:v1 /bin/bash

然后我们进入到该容器内,用 docker-compose 命令启动所有其他容器

docker-compose -f docker-compose.yml up -d

启动时报错
例如启动redis 的报错

PS C:\Users\abc> docker logs -f 116
chown: .: Operation not permitted
chown: .: Operation not permitted
chown: .: Operation not permitted
chown: .: Operation not permitted
chown: .: Operation not permitted
chown: .: Operation not permitted

docker-compose.yml 部分配置如下

version: '2.4'
services:
   postgresql:
    container_name: postgresql
    image: postgresql:latest
    restart: always
    healthcheck:
      test: pg_isready
      interval: 15s
      timeout: 2s
      retries: 20
      start_period: 10s
    environment:
      POSTGRES_PASSWORD: *****
      POSTGRES_USER: postgres
      PGDATA: /data
    volumes:
      - /c/project/home/project_storage/postgresql/data:/data

postgresql 也有类似的报错
都是没有操作权限

解决方案:

PS C:\Users\abc> docker run --privileged=true -it -v /run/desktop/mnt/host/c/project/etc/bp:/etc/bp -v /run/desktop/mnt/host/c/project/tmp/:/opt/tmp -v /run/desktop/mnt/host/c/project/home/project_storage:/home/project_storage  -v  //var/run/docker.sock:/var/run/docker.sock --name=abc debian11:v1 /bin/bash

这样挂载后,docker-compose.yml 文件内的volume配置也要修改为

version: '2.4'
services:
   postgresql:
    container_name: postgresql
    image: postgresql:latest
    restart: always
    healthcheck:
      test: pg_isready
      interval: 15s
      timeout: 2s
      retries: 20
      start_period: 10s
    environment:
      POSTGRES_PASSWORD: *****
      POSTGRES_USER: postgres
      PGDATA: /data
    volumes:
      - /run/desktop/mnt/host/c/project/home/project_storage/postgresql/data:/data

这样postgresql,redis 等容器就能起来了,不会再报权限问题

参考:

https://stackoverflow.com/questions/71018631/kubernetes-on-docker-for-windows-persistent-volume-with-hostpath-gives-operatio

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