chore(database): Add MySQL replica deployment configuration

docker-compose-node-02.yml

@@ -20,7 +20,7 @@ services:
       MYSQL_PASSWORD: ${MYSQL_PASSWORD:-video123}
     volumes:
       - mysql_data:/var/lib/mysql
-      - ./sql:/docker-entrypoint-initdb.d
+      # - ./sql:/docker-entrypoint-initdb.d  # 从节点不需要初始化脚本，数据从主库同步
       - ./config/mysql/my-slave.cnf:/etc/mysql/conf.d/my.cnf:ro
     command:
       - --character-set-server=utf8mb4

docker-compose-node-03.yml

@@ -21,7 +21,7 @@ services:
       MYSQL_PASSWORD: ${MYSQL_PASSWORD:-video123}
     volumes:
       - mysql_data:/var/lib/mysql
-      - ./sql:/docker-entrypoint-initdb.d
+      # - ./sql:/docker-entrypoint-initdb.d  # 从节点不需要初始化脚本，数据从主库同步
       - ./config/mysql/my-slave.cnf:/etc/mysql/conf.d/my.cnf:ro
     command:
       - --character-set-server=utf8mb4