version: '3.8'

services:
  # MySQL数据库
  mysql:
    image: mysql:8.0
    container_name: news-classifier-mysql
    restart: always
    ports:
      - "3306:3306"
    environment:
      MYSQL_ROOT_PASSWORD: root
      MYSQL_DATABASE: news_classifier
      TZ: Asia/Shanghai
    volumes:
      - mysql-data:/var/lib/mysql
      - ../docs/schema.sql:/docker-entrypoint-initdb.d/schema.sql
    command: --default-authentication-plugin=mysql_native_password --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    networks:
      - news-classifier-network

  # Redis缓存
  redis:
    image: redis:7-alpine
    container_name: news-classifier-redis
    restart: always
    ports:
      - "6379:6379"
    volumes:
      - redis-data:/data
    command: redis-server --appendonly yes
    networks:
      - news-classifier-network

  # Elasticsearch (可选 - 全文检索)
  elasticsearch:
    image: elasticsearch:8.11.0
    container_name: news-classifier-elasticsearch
    restart: always
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      - discovery.type=single-node
      - xpack.security.enabled=false
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    volumes:
      - es-data:/usr/share/elasticsearch/data
    networks:
      - news-classifier-network

  # 后端服务
  backend:
    build:
      context: ../backend
      dockerfile: Dockerfile
    container_name: news-classifier-backend
    restart: always
    ports:
      - "8080:8080"
    environment:
      SPRING_DATASOURCE_URL: jdbc:mysql://mysql:3306/news_classifier?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: root
      SPRING_DATA_REDIS_HOST: redis
      SPRING_DATA_REDIS_PORT: 6379
    depends_on:
      - mysql
      - redis
    networks:
      - news-classifier-network

volumes:
  mysql-data:
    driver: local
  redis-data:
    driver: local
  es-data:
    driver: local

networks:
  news-classifier-network:
    driver: bridge