services:
  postgres:
    image: postgres:16
    ports:
      - "55432:5432"
    environment:
      POSTGRES_DB: dbtool_demo
      POSTGRES_USER: dbtool
      POSTGRES_PASSWORD: dbtool
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U dbtool -d dbtool_demo"]
      interval: 5s
      timeout: 5s
      retries: 20

  mysql:
    image: mysql:8.4
    ports:
      - "53306:3306"
    environment:
      MYSQL_DATABASE: dbtool_demo
      MYSQL_USER: dbtool
      MYSQL_PASSWORD: dbtool
      MYSQL_ROOT_PASSWORD: dbtoolroot
    command: ["mysqld", "--character-set-server=utf8mb4", "--collation-server=utf8mb4_unicode_ci"]
    healthcheck:
      test: ["CMD-SHELL", "mysqladmin ping -uroot -pdbtoolroot"]
      interval: 5s
      timeout: 5s
      retries: 30