docker-compose.yml

services:
  # MySQL 服务
  mysql:
    image: mysql:8.4
    container_name: ecommerce-mysql
    restart: always
    environment:
      # 数据库根密码
      MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
      # 自动创建数据库
      MYSQL_DATABASE: ${MYSQL_DATABASE}
      # 字符集配置
      MYSQL_CHARACTER_SET_SERVER: utf8mb4
      MYSQL_COLLATION_SERVER: utf8mb4_unicode_ci
    ports:
      - "3306:3306"
    volumes:
      # 持久化数据（容器删除后数据不丢失）
      - mysql-data:/var/lib/mysql
    networks:
      - ecommerce-network
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
      interval: 10s
      timeout: 5s
      retries: 5

  # Spring Boot 应用服务
  app:
    build: .
    container_name: ecommerce-app
    restart: always
    ports:
      - "${APP_PORT:-8080}:8080"
    environment:
      - DB_HOST=${DB_HOST}
      - DB_USERNAME=${DB_USERNAME}
      - DB_PASSWORD=${DB_PASSWORD}
      # 可通过此变量覆盖容器内端口（与 server.port 对应），默认 8080
      - SERVER_PORT=8080
    # 依赖 MySQL 服务，确保先启动 MySQL
    depends_on:
      mysql:
        condition: service_healthy
    networks:
      - ecommerce-network

# 网络配置（让两个容器在同一网络，可互相访问）
networks:
  ecommerce-network:
    driver: bridge

# 数据卷（持久化 MySQL 数据）
volumes:
  mysql-data: