docker-compose.yml

mysql-1:
  image: percona:5.7
  command: --server-id=1 --log-bin=mysql-bin --binlog-format=ROW --sync-binlog=1 --log-slave-updates=ON --gtid-mode=ON --enforce-gtid-consistency=ON --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci --max-connections=1000 --read-only=OFF
  environment:
    MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
  volumes:
    - /var/lib/mysql
  ports:
    - "29291:3306"

mysql-2:
  image: percona:5.7
  command: --server-id=2 --log-bin=mysql-bin --binlog-format=ROW --sync-binlog=1 --log-slave-updates=ON --gtid-mode=ON --enforce-gtid-consistency=ON --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci --max-connections=1000
  environment:
    MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
  volumes:
    - /var/lib/mysql
  ports:
    - "29292:3306"

mysql-3:
  image: percona:5.7
  command: --server-id=3 --log-bin=mysql-bin --binlog-format=ROW --sync-binlog=1 --log-slave-updates=ON --gtid-mode=ON --enforce-gtid-consistency=ON --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci --max-connections=1000
  environment:
    MYSQL_ALLOW_EMPTY_PASSWORD: "yes"
  volumes:
    - /var/lib/mysql
  ports:
    - "29293:3306"