docker-compose安装mysql主流版本及差异

一、概述

官方：

https://hub.docker.com/_/mysql

注意：

• 容器启动以后，mysql需要等待一会儿才能使用。

• 映射生成的文件都是文件夹，删除my.cnf文件夹，新建my.cnf空白文件，删掉容器重启。

• 重新部署记得清除数据。

• 删除所有停止服务：docker-compose rm

docker-compose脚本

mysql5.7

默认加密插件：mysql_native_password

手动指定：command中加参数--default-authentication-plugin=mysql_native_password

version: '3'
services:
    mysql:
        image: "mysql:5.7"
        privileged: true
        container_name: "docker-mysql-5.7"
        restart: always
        ports:
            - "23306:3306"
        environment:
            MYSQL_ROOT_PASSWORD: "111111"
            MYSQL_DATABASE: "test"
            MYSQL_USER: "wangfugui"
            MYSQL_PASSWORD: "123456"
            TZ: Asia/Shanghai
        command:
          --wait_timeout=28800
          --interactive_timeout=28800
          --max_connections=1000
        volumes:
          - "./mysql-5.7/data:/var/lib/mysql"
          - "./mysql-5.7/config/my.cnf:/etc/mysql/my.cnf"
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mysql8.0.30

默认加密插件：caching_sha2_password

version: '3'
services:
    mysql:
        image: "mysql:8.0.30"
        privileged: true
        container_name: "docker-mysql-8.0.30"
        restart: always
        ports:
            - "23306:3306"
        environment:
            MYSQL_ROOT_PASSWORD: "111111"
            MYSQL_DATABASE: 'test'
            MYSQL_USER: 'wangfugui'
            MYSQL_PASSWORD: '123456'
            TZ: Asia/Shanghai
        command:
          --wait_timeout=28800
          --interactive_timeout=28800
          --max_connections=1000
        volumes:
          - "./mysql-8.0.30/data:/var/lib/mysql"
          - "./mysql-8.0.30/config/my.cnf:/etc/mysql/my.cnf"
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mysql:latest

最新版配置文件路径发生了变化：/var/lib/mysql-files

version: '3'
services:
    mysql:
        image: "mysql:latest"
        privileged: true
        container_name: "docker-mysql-latest"
        restart: always
        ports:
            - "23306:3306"
        environment:
            MYSQL_ROOT_PASSWORD: "111111"
            MYSQL_DATABASE: 'test'
            MYSQL_USER: 'wangfugui'
            MYSQL_PASSWORD: '123456'
            TZ: Asia/Shanghai
        command:
          --wait_timeout=28800
          --interactive_timeout=28800
          --max_connections=1000
        volumes:
          - "./mysql-latest/data:/var/lib/mysql-files"
          - "./mysql-latest/config/my.cnf:/etc/mysql/my.cnf"
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文件拷贝

# 传入
# docker cp /路径/文件名 容器ID:/上传路径
docker cp db.sql 0236abb0865b:/root
# 传出
# docker cp 容器ID:/上传路径 /路径/文件名
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导入数据

# 进入容器
docker exec -it 0236abb0865b /bin/bash
mysql -uroot -P23306 -p
use test;
> source /root/db.sql
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异常

问题：拉取镜像失败。

ERROR: error pulling image configuration: Get https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/ff/ff3b5098b416cc4294d8d5c43c2f0f8251e91711347318e73cb290ffe2783bcb/data?verify=1662001548-xUBxwxWg3NEn3np%2BUeFhOhQ1pow%3D: Service Unavailable
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解决：

vim /etc/resolv.conf
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nameserver 8.8.8.8

service docker restart
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问题：无法启动。

ERROR: for docker_mysql  Cannot start service mysql: OCI runtime create failed: container_linux.go:380: starting container process caused: process_linux.go:545: container init caused: rootfs_linux.go:76: mounting "/host_mnt/Users/wangfugui/Downloads/dev/middleware/db/docker/mysql/conf/my.cnf" to rootfs at "/etc/my.cnf" caused: mount through procfd: not a directory: unknown: Are you trying to mount a directory onto a file (or vice-versa)? Check if the specified host path exists and is the expected type
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解决：

映射生成的文件都是文件夹，my.cnf改成文件即可。