docker-compose.yml

version: '3.8'

services:

  # ── MySQL 主库 ─────────────────────────────────────────
  mysql-master:
    image: mysql:8.0
    container_name: seckill-mysql-master
    environment:
      MYSQL_ROOT_PASSWORD: 123456
      MYSQL_DATABASE: seckill
    ports:
      - "3307:3306"
    volumes:
      - mysql_master_data:/var/lib/mysql
      - ./user-service/src/main/resources/db/init.sql:/docker-entrypoint-initdb.d/init.sql
      - ./mysql/master/my.cnf:/etc/mysql/conf.d/my.cnf
    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-p123456"]
      interval: 10s
      timeout: 5s
      retries: 10
    networks:
      - seckill-net

  # ── MySQL 从库 ─────────────────────────────────────────
  mysql-slave:
    image: mysql:8.0
    container_name: seckill-mysql-slave
    environment:
      MYSQL_ROOT_PASSWORD: 123456
    ports:
      - "3308:3306"
    volumes:
      - mysql_slave_data:/var/lib/mysql
      - ./mysql/slave/my.cnf:/etc/mysql/conf.d/my.cnf
    command: --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    depends_on:
      mysql-master:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "mysqladmin", "ping", "-h", "localhost", "-p123456"]
      interval: 10s
      timeout: 5s
      retries: 10
    networks:
      - seckill-net

  # ── 从库初始化（一次性容器）──────────────────────────
  mysql-slave-init:
    image: mysql:8.0
    container_name: seckill-slave-init
    volumes:
      - ./mysql/slave/init-slave.sh:/init-slave.sh
    command: bash /init-slave.sh
    depends_on:
      mysql-slave:
        condition: service_healthy
    networks:
      - seckill-net
    restart: "no"

  # ── Redis ─────────────────────────────────────────────
  redis:
    image: redis:7-alpine
    container_name: seckill-redis
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data
    command: redis-server --appendonly yes
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5
    networks:
      - seckill-net

  # ── Zookeeper ────────────────────────────────────────
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    container_name: seckill-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    networks:
      - seckill-net

  # ── Kafka ─────────────────────────────────────────────
  kafka:
    image: confluentinc/cp-kafka:7.4.0
    container_name: seckill-kafka
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:9092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_AUTO_CREATE_TOPICS_ENABLE: "true"
    depends_on:
      - zookeeper
    healthcheck:
      test: ["CMD", "kafka-topics", "--bootstrap-server", "localhost:9092", "--list"]
      interval: 15s
      timeout: 10s
      retries: 10
    networks:
      - seckill-net

  # ── Elasticsearch ────────────────────────────────────
  elasticsearch:
    image: elasticsearch:8.11.0
    container_name: seckill-es
    environment:
      - discovery.type=single-node
      - xpack.security.enabled=false
      - ES_JAVA_OPTS=-Xms512m -Xmx512m
    ports:
      - "9200:9200"
    volumes:
      - es_data:/usr/share/elasticsearch/data
    healthcheck:
      test: ["CMD-SHELL", "curl -s http://localhost:9200/_cluster/health | grep -q '\"status\":\"green\"\\|\"status\":\"yellow\"'"]
      interval: 15s
      timeout: 10s
      retries: 10
    networks:
      - seckill-net

  # ── 用户服务 实例1 ─────────────────────────────────
  user-service-1:
    build: ./user-service
    container_name: user-service-1
    environment:
      SPRING_DATASOURCE_MASTER_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_SLAVE_URL: jdbc:mysql://mysql-slave:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      SERVER_PORT: 8081
      INSTANCE_ID: user-service-1
    ports:
      - "8081:8081"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - seckill-net

  # ── 用户服务 实例2 ─────────────────────────────────
  user-service-2:
    build: ./user-service
    container_name: user-service-2
    environment:
      SPRING_DATASOURCE_MASTER_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_SLAVE_URL: jdbc:mysql://mysql-slave:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      SERVER_PORT: 8081
      INSTANCE_ID: user-service-2
    ports:
      - "8082:8081"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - seckill-net

  # ── 商品服务 实例1 ─────────────────────────────────
  product-service-1:
    build: ./product-service
    container_name: product-service-1
    environment:
      SPRING_DATASOURCE_MASTER_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_SLAVE_URL: jdbc:mysql://mysql-slave:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8&allowPublicKeyRetrieval=true
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      ELASTICSEARCH_URIS: http://elasticsearch:9200
      SERVER_PORT: 8082
      INSTANCE_ID: product-service-1
    ports:
      - "8083:8082"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
      elasticsearch:
        condition: service_healthy
    networks:
      - seckill-net

  # ── 商品服务 实例2 ─────────────────────────────────
  product-service-2:
    build: ./product-service
    container_name: product-service-2
    environment:
      SPRING_DATASOURCE_MASTER_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_SLAVE_URL: jdbc:mysql://mysql-slave:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8&allowPublicKeyRetrieval=true
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      ELASTICSEARCH_URIS: http://elasticsearch:9200
      SERVER_PORT: 8082
      INSTANCE_ID: product-service-2
    ports:
      - "8086:8082"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
      elasticsearch:
        condition: service_healthy
    networks:
      - seckill-net

  # ── 库存服务 ─────────────────────────────────────
  inventory-service:
    build: ./inventory-service
    container_name: seckill-inventory
    environment:
      SPRING_DATASOURCE_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      SPRING_KAFKA_BOOTSTRAP_SERVERS: kafka:9092
      SERVER_PORT: 8084
      INSTANCE_ID: inventory-service
    ports:
      - "8084:8084"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
      kafka:
        condition: service_healthy
    networks:
      - seckill-net

  # ── 订单服务 ─────────────────────────────────────
  order-service:
    build: ./order-service
    container_name: seckill-order
    environment:
      SPRING_DATASOURCE_URL: jdbc:mysql://mysql-master:3306/seckill?useSSL=false&serverTimezone=Asia/Shanghai&characterEncoding=utf8
      SPRING_DATASOURCE_USERNAME: root
      SPRING_DATASOURCE_PASSWORD: 123456
      SPRING_DATA_REDIS_HOST: redis
      SPRING_KAFKA_BOOTSTRAP_SERVERS: kafka:9092
      SERVER_PORT: 8085
      INSTANCE_ID: order-service
    ports:
      - "8085:8085"
    depends_on:
      mysql-master:
        condition: service_healthy
      redis:
        condition: service_healthy
      kafka:
        condition: service_healthy
    networks:
      - seckill-net

  # ── Nginx ────────────────────────────────────────────
  nginx:
    build:
      context: .
      dockerfile: nginx/Dockerfile
    container_name: seckill-nginx
    ports:
      - "8080:80"
    depends_on:
      - user-service-1
      - user-service-2
      - product-service-1
      - product-service-2
      - inventory-service
      - order-service
    networks:
      - seckill-net

networks:
  seckill-net:
    driver: bridge

volumes:
  mysql_master_data:
  mysql_slave_data:
  redis_data:
  es_data: