docker安装mysql8

一、开始安装

# 新建挂载目录
mkdir -p /opt/docker/mysql/data
mkdir -p /opt/docker/mysql/conf

vim /opt/docker/mysql/conf/my.cnf

[root@centos01 mysql]# cd conf/
[root@centos01 conf]# ls
my.cnf
[root@centos01 conf]# cat my.cnf
[client]
default-character-set=utf8mb4

[mysql]
default-character-set=utf8mb4

[mysqld]

character-set-server=utf8
collation-server=utf8_general_ci
lower_case_table_names=1
init_connect='SET NAMES utf8'
max_connections=5000
wait_timeout=20000
max_user_connections=5000
max_allowed_packet=128M
thread_stack=262144

#不区分大小写 很重要

#lower_case_table_names=1

# 启动
docker run --restart=always --privileged=true --name mysql8 \
-v /datah/mydata/mysql/conf:/etc/mysql/conf.d \
-v /datah/mydata/mysql/data:/var/lib/mysql \
-p 3307:3306 -e MYSQL_ROOT_PASSWORD='123456' -d mysql

二、修改配置 改密码

#进入mysql8容器
docker exec -it mysql8 bash

# 如果看到两个root用户，删除一个即可。

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Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql> select user,host from user;
+------------------+-----------+
| user | host |
+------------------+-----------+
| root | % |
| mysql.infoschema | localhost |
| mysql.session | localhost |
| mysql.sys | localhost |
+------------------+-----------+
4 rows in set (0.00 sec)

mysql>

# 改密码， 重要的是 mysql_native_password

ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';