docker-compose-replication.yml

version: '2.1'

services:
  mariadb-master:
    image: 'docker.io/bitnami/mariadb:10.5-debian-10'
    ports:
      - '3306'
    volumes:
      - 'mariadb_master_data:/bitnami/mariadb'
    environment:
      - MARIADB_REPLICATION_MODE=master
      - MARIADB_REPLICATION_USER=repl_user
      - MARIADB_USER=my_user
      - MARIADB_DATABASE=my_database
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=yes
      - MARIADB_ROOT_PASSWORD=my_root_password
    healthcheck:
      test: ['CMD', '/opt/bitnami/scripts/mariadb/healthcheck.sh']
      interval: 15s
      timeout: 5s
      retries: 6

  mariadb-slave:
    image: 'docker.io/bitnami/mariadb:10.5-debian-10'
    ports:
      - '3306'
    depends_on:
      - mariadb-master
    environment:
      - MARIADB_REPLICATION_MODE=slave
      - MARIADB_REPLICATION_USER=repl_user
      - MARIADB_USER=my_user
      - MARIADB_DATABASE=my_database
      - MARIADB_MASTER_HOST=mariadb-master
      - MARIADB_MASTER_PORT_NUMBER=3306
      - MARIADB_MASTER_ROOT_PASSWORD=my_root_password
      # ALLOW_EMPTY_PASSWORD is recommended only for development.
      - ALLOW_EMPTY_PASSWORD=yes
    healthcheck:
      test: ['CMD', '/opt/bitnami/scripts/mariadb/healthcheck.sh']
      interval: 15s
      timeout: 5s
      retries: 6

volumes:
  mariadb_master_data:
    driver: local