docker mysql 默认配置文件路径
docker mysql 默认配置文件路径[*] mysql:5.7.16 默认路径/etc/mysql/mysql.conf.d/mysqld.cnf
[*] mysql:8.0.23 默认路径/etc/mysql/my.cnf
启动一个样例容器
docker run --name mysql-temp -p 3311:3306 -e MYSQL_ROOT_PASSWORD=root --rm -d mysql:5.7.16
查看默认的配置文件
root@LAPTOP-42HSF5M2:/mnt/d/wslwork/mysql# docker exec -it mysql-temp/bin/bash
root@dc70e41c489b:/# cd /etc/mysql/
root@dc70e41c489b:/etc/mysql# ls -al
total 24
drwxr-xr-x 1 root root 4096 Nov82016 .
drwxr-xr-x 1 root root 4096 Mar 14 13:37 ..
drwxr-xr-x 1 root root 4096 Nov82016 conf.d
lrwxrwxrwx 1 root root 24 Nov82016 my.cnf -> /etc/alternatives/my.cnf
-rw-r--r-- 1 root root 1050 Sep 282016 my.cnf.fallback
-rw-r--r-- 1 root root796 Sep 282016 mysql.cnf
drwxr-xr-x 1 root root 4096 Nov82016 mysql.conf.d
root@dc70e41c489b:/etc/mysql# ls -al /etc/mysql/mysql.conf.d/
total 12
drwxr-xr-x 1 root root 4096 Nov82016 .
drwxr-xr-x 1 root root 4096 Nov82016 ..
-rw-r--r-- 1 root root 1191 Nov82016 mysqld.cnf
root@dc70e41c489b:/etc/mysql#
那么这么多个文件,那个才是在docker 环境下MySQL的配置文件呢???
root@LAPTOP-42HSF5M2:/mnt/d/wslwork/mysql# docker logs mysql-temp
Version: '5.7.16'socket: '/var/run/mysqld/mysqld.sock'port: 3306MySQL Community Server (GPL)
# 查看启动日志，看输出的生效配置
root@LAPTOP-42HSF5M2:/mnt/d/wslwork/mysql# docker exec -it mysql-temp/bin/bash
root@dc70e41c489b:/#
root@dc70e41c489b:/#
# 到目录下面去查看，可以发现正在生效的配置文件路径是【/etc/mysql/mysql.conf.d】下的
root@dc70e41c489b:/# cat /etc/mysql/* | grep "/var/run/mysqld/mysqld.sock"
cat: /etc/mysql/conf.d: Is a directory
cat: /etc/mysql/mysql.conf.d: Is a directory
root@dc70e41c489b:/# cat /etc/mysql/conf.d/* | grep "/var/run/mysqld/mysqld.sock"
root@dc70e41c489b:/# cat /etc/mysql/mysql.conf.d/* | grep "/var/run/mysqld/mysqld.sock"
socket = /var/run/mysqld/mysqld.sock
root@dc70e41c489b:/#
其他的版本也可以通过这种方式来查看,最终见效的配置文件.
root@LAPTOP-42HSF5M2:/mnt/d/wslwork/mysql# docker run --name mysql-temp -p 3311:3306 -e MYSQL_ROOT_PASSWORD=root --rm -d mysql:8.0.23
root@LAPTOP-42HSF5M2:/mnt/d/wslwork/mysql# docker exec -it mysql-temp /bin/bash
root@e62094f4ff02:/# ls -al /etc/mysql/
total 20
drwxr-xr-x 1 root root 4096 Apr 102021 .
drwxr-xr-x 1 root root 4096 Mar 14 13:49 ..
drwxrwxr-x 1 root root 4096 Apr 102021 conf.d
-rw-rw-r-- 1 root root 1080 Apr 102021 my.cnf
-rw-r--r-- 1 root root 1469 Dec 112020 my.cnf.fallback
root@e62094f4ff02:/# ls -al /etc/mysql/conf.d/
total 16
drwxrwxr-x 1 root root 4096 Apr 102021 .
drwxr-xr-x 1 root root 4096 Apr 102021 ..
-rw-rw-r-- 1 root root 43 Apr 102021 docker.cnf
-rw-r--r-- 1 root root 1294 Dec 112020 mysql.cnf
root@e62094f4ff02:/#
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