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需要持久化储存数据的，建立有状态服务。
无状态服务是不会持久化的，重启就归零
KubeSphere 创建自建应用后，创建有状态服务，但是自己应用的有状态服务不能外放端口，需要在服务哪里删除pod，在创建负载指定相关的有状态服务，就可以外放端口了

安装mysql8

添加初始化密码参数

MYSQL_ROOT_PASSWORD

数据库要指定持久化卷,不然重启pod数据就会归零


数据库将的cnf配置映射出来

my.cnf

[mysqld]
port         = 3306
#basedir        = /var/lib/mysql
datadir        = /var/lib/mysql
pid-file    = /var/run/mysqld/mysqld.pid
socket        = /var/run/mysqld/mysqld.sock
#secure-file-priv= NULL
secure-file-priv= /var/lib/mysql-files
lower_case_table_names=1
character-set-server=utf8mb4collation-server=utf8mb4_unicode_ci
max_connections=1500
max_connect_errors=100
default-storage-engine=INNODB
default_authentication_plugin=mysql_native_password
wait_timeout    = 1800
interactive_timeout = 1800
#lock_wait_timeout = 3600
#tmp_table_size = 64M
#max_heap_table_size = 64M
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
#log-error    = /var/log/mysql/error.log
# By default we only accept connections from localhost
#bind-address    = 127.0.0.1
# Disabling symbolic-links is recommended to prevent assorted security risks
symbolic-links=0[mysql]
default-character-set=utf8mb4[client]
port=3306
default-character-set=utf8mb4#!includedir /etc/mysql/conf.d/

/var/lib/mysql

/etc/mysql/my.cnfmy.cnf

启动效果