MySQL docker installation master-slave deployment

mysql docker Way to install , Master-slave deployment .

The master-slave deployment can keep the slave database consistent with the master database , Can be used for read-write separation

See the following connection for details

The main principle is binlog, as well as mysql Communication between

#  install mysql
docker pull mysql:8.0.18

#  function mysql
docker run -p 3306:3306 --name mysql \
-v /mydata/mysql/log:/var/log/mysql \
-v /mydata/mysql/data:/var/lib/mysql \
-v /mydata/mysql/conf:/etc/mysql \
-v /mydata/mysql/mysql-files:/var/lib/mysql-files \
-e MYSQL_ROOT_PASSWORD=root -d mysql:8.0.18

#  function mysql2 As a slave 
docker run -p 3307:3306 --name mysql2 \
-v /mydata/mysql2/log:/var/log/mysql \
-v /mydata/mysql2/data:/var/lib/mysql \
-v /mydata/mysql2/conf:/etc/mysql \
-v /mydata/mysql2/mysql-files:/var/lib/mysql-files \
-e MYSQL_ROOT_PASSWORD=root -d mysql:8.0.18

#  Common commands 
docker rm [ Container name ]
docker logs [ Container name ]
docker start [ Container name ]
##  Get into docker Containers ,[ Container name ] Replace with mysql
docker exec -it [ Container name ] /bin/bash 

#  needed mysql command 
##  View host slave status 
show master status;
show slave status ;
start slave; #  Start slave 

#  Modify the master library in the slave 
change master to master_host='192.168.153.11', master_port=3306, master_user='test', master_password='test', master_log_file='mysql-bin.000001', master_log_pos=1267;

#  Create main library users and authorizations 
create user 'test'@'%' identified by 'test';
grant replication slave on *.* to 'test'@'%';

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