docker install mysql 8

1. Run the container, automatically download the image

docker run --name mysql -e MYSQL_ROOT_PASSWORD=123456 -d mysql

2. Create a host profile mount

mkdir -p ~/i/apps/mysql/{conf,data}

 

• conf store configuration files
• data store database file

3. The initial configuration file

docker cp mysql:/var/lib/mysql ~/i/apps/mysql/data

 

• Copy the database to the original file / usr / mysql / data inside

docker cp mysql:/etc/mysql/my.cnf ~/i/apps/mysql/conf/my.cnf

 

4. Stop delete container

docker rm -f mysql

 

The boot file generation - start.sh

[root@wanfei ~]# cd ~/i/apps/mysql/
$ cat <<EOF > start.sh
#!/bin/bash
HOST_NAME=mysql.wanfei.xyz
REDIS_DIR=`pwd`
docker stop mysql
docker rm mysql
docker run -d \\
    --hostname \${HOST_NAME} \\
    -p 3306:3306 \\
    --name mysql \\
    --privileged=true \\
    -v \${REDIS_DIR}/conf/my.cnf:/etc/mysql/my.cnf \\
    -v \${REDIS_DIR}/data/mysql:/var/lib/mysql \\
    -e MYSQL_ROOT_PASSWORD=123456 \\
    mysql
EOF

 

Parameter Description

• --hostname \${HOST_NAME}: Set the access domain address, ${HOST_NAME}is defined above mysql.wanfei.xyzthis address
• -p 3306:3306: The inner container 3306is mapped to the host port of 3306the port
• --privileged=true: Container to add specific permissions. Otherwise they willchown: changing ownership of ‘/var/lib/mysql/....‘: Permission denied
• -v \${REDIS_DIR}/conf/my.cnf:/etc/mysql/my.cnf: The host configured my.cnfinto this position within the container
• -v \${REDIS_DIR}/data/mysql:/var/lib/mysql: The mysql persistent data in the host display, do data backup
• -e MYSQL_ROOT_PASSWORD=123456: Specifies the initial database access password, set the first time only a small, rear restart to modify the password prevail
• mysql: mysqlImage name, after no tag behind, download the latest tag,latest

6. Run start.sh start mysql

[root@wanfei mysql]# sh start.sh 
mysql
mysql
f3d297633f4432495dc587d2860c212a371166897b6a380aceb0ebcdccc5dad8

 

7. Change password into the container, open the remote connection

# Into the container 
Docker Exec  - IT MySQL / bin / SH 
# enter MySQL (possible upper invalid password) 
MySQL - U the root - P 
# enter 123456, if it fails, the direct Enter 
MySQL >  use MySQL; 
Reading Table Information for Completion of  Table  and  column names 
by You CAN Turn OFF the this the Feature to GET A Quicker the Startup with  - A 

Database changed 
MySQL >  the SELECT Host,user,plugin from user;
+-----------+------------------+-----------------------+
| host      | user             | plugin                |
+-----------+------------------+-----------------------+
| localhost | mysql.infoschema | caching_sha2_password |
| localhost | mysql.session    | caching_sha2_password |
| localhost | mysql.sys        | caching_sha2_password |
| Localhost | root              | caching_sha2_password | 
+ - --------- + ------------------ + ----------- + ----------------------- 
. 4 rows in  sET ( 0.00 sec) 
# above the root user if localhost, localhost only connections, not remotely connected, is provided below the password given 
MySQL >  the ALTER  the uSER  ' root ' @ ' % ' the IDENTIFIED the WITH mysql_native_password BY  ' xxxxxx ' ; 
ERROR 1396 (HY000): Operation the ALTER  the USER failed for 'root'@'%'
#修改localhost为%
mysql> update user set host='%' where user='root';
Query OK, 1 row affected (0.14 sec)
Rows matched: 1  Changed: 1  Warnings: 0

mysql> select host,user,plugin from user;
+-----------+------------------+-----------------------+
| host      | user             | plugin                |
+-----------+------------------+-----------------------+
| %         | root             | caching_sha2_password |
| localhost | mysql.infoschema | caching_sha2_password |
| localhost | mysql.session    | caching_sha2_password |
| localhost | mysql.sys        | caching_sha2_password |
+-----------+------------------+-----------------------+
4 rows in set (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)

mysql> ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'xxxxxx';
Query OK, 0 rows affected (0.02 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)