version: '3.1'
services:mysql:restart: alwaysimage: mysql:5.7container_name: mysqlports:- 3306:3306environment:TZ: Asia/ShanghaiMYSQL_ROOT_PASSWORD: abc123!  ##密码command:--character-set-server=utf8mb4--collation-server=utf8mb4_general_ci--explicit_defaults_for_timestamp=true--lower_case_table_names=1--max_allowed_packet=128M--sql-mode="STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION,NO_ZERO_DATE,NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO"volumes:- ./data:/var/lib/mysql- ./conf:/etc/mysql/mysql.conf.d

cd /home/docker-compose/mysql/conf

vi mysqld.cnf

[mysqld]
pid-file    = /var/run/mysqld/mysqld.pid
socket    = /var/run/mysqld/mysqld.sock
datadir    = /var/lib/mysql
default-time-zone='+8:00'
symbolic-links=0
server-id = 40
log-bin = mysql-bin
enforce_gtid_consistency = ON
gtid_mode = ON
auto_increment_increment=1
auto_increment_offset=1
log-slave-updates
sync_binlog=1
max_connections=1000
innodb_file_per_table=1
innodb_file_format=Barracuda
innodb_page_size=32K
innodb_log_file_size=148M

[mysqld]
pid-file    = /var/run/mysqld/mysqld.pid
socket    = /var/run/mysqld/mysqld.sock
datadir    = /var/lib/mysql
default-time-zone='+8:00'
symbolic-links=0
server-id = 66
log-bin = mysql-bin
enforce_gtid_consistency = ON
gtid_mode = ON
auto_increment_increment=2
auto_increment_offset=2
log-slave-updates
sync_binlog=1
max_connections=1000
innodb_file_per_table=1
innodb_file_format=Barracuda
innodb_page_size=32K
innodb_log_file_size=148

docker-compose up -d
docker-compose down //直接删除容器
docker-compose stop //不删除容器
docker-compose start //直接启动

docker exec -it mysql /bin/bash
mysql -uroot -pabc123!

mysql> show master status G;
*************************** 1. row ***************************File: mysql-bin.000005Position: 1495Binlog_Do_DB: Binlog_Ignore_DB:
Executed_Gtid_Set: c83eb7e9-2556-11eb-b4ad-0242ac120002:20-21,
d52d0074-2556-11eb-93b5-0242ac120002:1-20
1 row in set (0.00 sec)ERROR:
No query specifiedmysql> 

mysql> show master status G;
*************************** 1. row ***************************File: mysql-bin.000004Position: 1796Binlog_Do_DB: Binlog_Ignore_DB:
Executed_Gtid_Set: c83eb7e9-2556-11eb-b4ad-0242ac120002:1-21,
d52d0074-2556-11eb-93b5-0242ac120002:20
1 row in set (0.00 sec)ERROR:
No query specifiedmysql> 

create user 'sync'@'%' identified by 'password';
grant replication slave on *.* to sync;##Mysql复制错误error_code: 1045 Access denied for usergrant replication slave on *.* to 'sync'@'%' identified by 'password';flush privileges; //刷新MySQL的系统权限相关表，否则会无法用账号链接

FLUSH TABLES WITH READ LOCK;
change master to master_host='10.1.1.3',master_port=3306,master_user='sync',master_password='password',master_log_file='mysql-bin.000004',master_log_pos=1796;
UNLOCK TABLES;

FLUSH TABLES WITH READ LOCK;
change master to master_host='10.1.1.2',master_port=3306,master_user='sync',master_password='password',master_log_file='mysql-bin.000005',master_log_pos=1495;
UNLOCK TABLES;

start slave;

mysql> show slave status G;
*************************** 1. row ***************************Slave_IO_State: Waiting for master to send eventMaster_Host: 10.1.1.3Master_User: syncMaster_Port: 3306Connect_Retry: 60Master_Log_File: mysql-bin.000004Read_Master_Log_Pos: 1796Relay_Log_File: a389ed970e74-relay-bin.000005Relay_Log_Pos: 822Relay_Master_Log_File: mysql-bin.000004Slave_IO_Running: YesSlave_SQL_Running: YesReplicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: