docker-compose 部署mariadb 主从复制的实现步骤

services:
  mariadb-master:
    image: harbocto.xxx.com.cn/public/`mariadb:11.5.2
    container_name: mariadb-master
    restart: always
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: liubei#161
      MYSQL_DATABASE: xishu
      MYSQL_USER: repl
      MYSQL_PASSWORD: guanyu#160
    command:
      --server-id=1
      --log-bin=mysql-bin
      --binlog-format=row
      # --binlog-do-db=xishu #指定库，可选
    volumes:
      - ./data:/var/lib/mysql

docker-compose up -d

GRANT REPLICATION SLAVE ON *.* TO 'repl'@'%';
GRANT REPLICATION CLIENT ON *.* TO 'repl'@'%';
FLUSH PRIVILEGES;

services:
  mariadb-master:
    image: harbocto.xxx.com.cn/public/mariadb:11.5.2
    container_name: mariadb-slave
    restart: always
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: liubei#161
      MYSQL_DATABASE: xishu
      MYSQL_USER: repl
      MYSQL_PASSWORD: guanyu#160
    command:
      --server-id=1
      --log-bin=mysql-bin
      --binlog-format=row
    volumes:
      - ./data:/var/lib/mysql

docker-compose up -d

docker exec -it mariadb-master mariadb -u root -pliubei#161

MariaDB [(none)]> SHOW MASTER STATUS;
+------------------+----------+--------------+------------------+
| File             | Position | Binlog_Do_DB | Binlog_Ignore_DB |
+------------------+----------+--------------+------------------+
| mysql-bin.000002 |      342 |              |                  |
+------------------+----------+--------------+------------------+
1 row in set (0.000 sec)

CHANGE MASTER TO
    MASTER_HOST='10.10.239.32',
    MASTER_PORT=3306,
    MASTER_USER='repl',
    MASTER_PASSWORD='guanyu#160',
    MASTER_LOG_FILE='mysql-bin.000002',
    MASTER_LOG_POS=342;

docker exec -it mariadb-slave mariadb -u root -pliubei#161

CHANGE MASTER TO
    MASTER_HOST='10.10.xxx.32',
    MASTER_PORT=3306,
    MASTER_USER='repl',
    MASTER_PASSWORD='guanyu#160',
    MASTER_LOG_FILE='mysql-bin.000002',
    MASTER_LOG_POS=342;

START SLAVE;

SHOW SLAVE STATUS\G;

*************************** 1. row ***************************
                Slave_IO_State: Waiting to reconnect after a failed registration on master
                   Master_Host: 10.10.xxx.32
                   Master_User: repl
                   Master_Port: 3306
                 Connect_Retry: 60
               Master_Log_File: mysql-bin.000002
           Read_Master_Log_Pos: 342
                Relay_Log_File: relay-bin.000001
                 Relay_Log_Pos: 4
         Relay_Master_Log_File: mysql-bin.000002
              Slave_IO_Running: Connecting
             Slave_SQL_Running: Yes
               Replicate_Do_DB:
           Replicate_Ignore_DB:
            Replicate_Do_Table:
        Replicate_Ignore_Table:
       Replicate_Wild_Do_Table:
   Replicate_Wild_Ignore_Table:
                    Last_Errno: 0
                    Last_Error:
                  Skip_Counter: 0
           Exec_Master_Log_Pos: 342
               Relay_Log_Space: 256
               Until_Condition: None
                Until_Log_File:
                 Until_Log_Pos: 0
            Master_SSL_Allowed: Yes
            Master_SSL_CA_File:
            Master_SSL_CA_Path:
               Master_SSL_Cert:
             Master_SSL_Cipher:
                Master_SSL_Key:
         Seconds_Behind_Master: NULL
 Master_SSL_Verify_Server_Cert: Yes
                 Last_IO_Errno: 1597
                 Last_IO_Error: Master command COM_REGISTER_SLAVE failed: Access denied for user 'repl'@'%' (using password: YES) (Errno: 1045)
                Last_SQL_Errno: 0
                Last_SQL_Error:
   Replicate_Ignore_Server_Ids:
              Master_Server_Id: 1
                Master_SSL_Crl:
            Master_SSL_Crlpath:
                    Using_Gtid: No
                   Gtid_IO_Pos:
       Replicate_Do_Domain_Ids:
   Replicate_Ignore_Domain_Ids:
                 Parallel_Mode: optimistic
                     SQL_Delay: 0
           SQL_Remaining_Delay: NULL
       Slave_SQL_Running_State: Slave has read all relay log; waiting for more updates
              Slave_DDL_Groups: 0
Slave_Non_Transactional_Groups: 0
    Slave_Transactional_Groups: 0
          Replicate_Rewrite_DB:
1 row in set (0.000 sec)

USE xishu;
CREATE TABLE users (id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(100));
INSERT INTO users (name) VALUES ('liubei'), ('guanyu'), ('zhangfei');

MariaDB [(none)]> use xishu
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
MariaDB [xishu]> select * from users;
+----+----------+
| id | name     |
+----+----------+
|  1 | liubei   |
|  2 | guanyu   |
|  3 | zhangfei |
+----+----------+
3 rows in set (0.000 sec)