docker-compose.yml

version: "3"

services:
  galera-1:
    image: bitnami/mariadb-galera:10.5
    hostname: galera-1
    #ports:
      #- '3306:3306'
      #- '4444:4444'
      #- '4567:4567'
      #- '4568:4568'
    volumes:
       - ./maxscale/bootstrap.sql:/docker-entrypoint-initdb.d/bootstrap.sql:ro
    #  - ./galera-1/data:/bitnami/mariadb  # this directory should have root user and group id or 777 mode
    env_file:
      - .env
    environment:
      - MARIADB_GALERA_CLUSTER_BOOTSTRAP=1
      - MARIADB_GALERA_CLUSTER_ADDRESS="gcomm://"   # Galera cluster address to join. Defaults to gcomm:// on a bootstrap node.
    healthcheck:
      test: ['CMD', '/opt/bitnami/scripts/mariadb-galera/healthcheck.sh']
      interval: 5s
      timeout: 5s
      retries: 6
    restart: unless-stopped
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "2"

  galera-2:
    image: bitnami/mariadb-galera:10.5
    hostname: galera-2
    #ports:
      #- '3306:3306'
      #- '4444:4444'
      #- '4567:4567'
      #- '4568:4568'
    #volumes:
    #  - ./galera-2/data:/bitnami/mariadb  # this directory should have root user and group id or 777 mode
    env_file:
      - .env
    environment:
      - MARIADB_GALERA_CLUSTER_ADDRESS="gcomm://galera-1:4567,galera-2:4567"    # Galera cluster address to join. Defaults to gcomm:// on a bootstrap node.
    healthcheck:
      test: ['CMD', '/opt/bitnami/scripts/mariadb-galera/healthcheck.sh']
      interval: 5s
      timeout: 5s
      retries: 6
    depends_on:
      galera-1:
        condition: service_healthy
    restart: unless-stopped
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "2"

  garbd:
    build: ./galera-arbitrator
    image: garbd:latest
    hostname: garbd
    #ports:
      #- '4567:4567'
    #volumes:
    #  - ./garbd/data:/tmp  # this directory should have 777 mode
    env_file:
      - .env
    environment:
      - MARIADB_GALERA_CLUSTER_ADDRESS="gcomm://galera-1:4567,galera-2:4567"
    depends_on:
      galera-1:
        condition: service_healthy
    restart: unless-stopped
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "2"

  maxscale:
    build: ./maxscale
    image: maxscale:latest
    # image: mariadb/maxscale
    hostname: maxscale
    #ports:
      #- '3306:3306'
      #- '8989:8989'
    volumes:
      - ./maxscale/maxscale.cnf:/etc/maxscale.cnf:ro
    env_file:
      - .env
    depends_on:
      galera-1:
        condition: service_healthy
    restart: unless-stopped
    logging:
      driver: json-file
      options:
        max-size: "10m"
        max-file: "2"