services:
  kar_db_service:
    image: mysql:latest
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=base_db_password
    volumes:
      - ./data:/var/lib/mysql
    mem_limit: 300m
    ports:
      - 3906:3306
    healthcheck:
      test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
      timeout: 10s
      retries: 5
      # perform a 1 minute grace to let the DB to perform the initialization
      start_period: 1m
      start_interval: 1m

  kar_adminer_service:
    image: adminer:latest
    restart: always
    depends_on:
      kar_db_service:
        condition: service_healthy
    links:
      - kar_db_service:db
    ports:
      - 4079:8080
    mem_limit: 50m