Automação de replicação de banco de dados

docker-compose.yml

version: '2.2'
services:
 database_master:
  restart: unless-stopped
  image: mariadb:10.1.30
  environment:
   - MYSQL_ROOT_PASSWORD=${MASTER_ROOT_PASSWORD}
   - MYSQL_USER=${MASTER_USER_NAME}
   - MYSQL_PASSWORD=${MASTER_USER_PASSWORD}
   - TZ=America/Sao_Paulo
  ports:
   - 33006:3306

 database_slave:
  restart: unless-stopped
  image: mariadb:10.1.30
  environment:
   - MYSQL_ROOT_PASSWORD=${SLAVE_ROOT_PASSWORD}
   - MYSQL_USER=${SLAVE_USER_NAME}
   - MYSQL_PASSWORD=${SLAVE_USER_PASSWORD}
   - TZ=America/Sao_Paulo
  ports:
   - 33007:3306

 database_master_myadmin:
  mem_limit: 128m
  memswap_limit: 0
  mem_swappiness: 0
  restart: unless-stopped
  image: phpmyadmin/phpmyadmin
  environment:
   - PMA_USER=root
   - PMA_PASSWORD=${MASTER_ROOT_PASSWORD}
   - PMA_ARBITRARY=1
  ports:
   - 8086:80
  links:
   - database_master:db

 database_slave_myadmin:
  mem_limit: 128m
  memswap_limit: 0
  mem_swappiness: 0
  restart: unless-stopped
  image: phpmyadmin/phpmyadmin
  environment:
   - PMA_USER=root
   - PMA_PASSWORD=${SLAVE_ROOT_PASSWORD}
   - PMA_ARBITRARY=1
  ports:
   - 8087:80
  links:
   - database_slave:db