version: '3.8'

services:
  # PostgreSQL database
  postgres:
    image: postgres:15-alpine
    container_name: leaderboard-postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: leaderboard_db
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5

  # Redis cache
  redis:
    image: redis:7-alpine
    container_name: leaderboard-redis
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 5s
      retries: 5

  # Kafka message broker
  zookeeper:
    image: confluentinc/cp-zookeeper:7.5.0
    container_name: leaderboard-zookeeper
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000

  kafka:
    image: confluentinc/cp-kafka:7.5.0
    container_name: leaderboard-kafka
    depends_on:
      - zookeeper
    ports:
      - "9092:9092"
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
      KAFKA_INTER_BROKER_LISTENER_NAME: PLAINTEXT
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
    healthcheck:
      test: ["CMD", "kafka-broker-api-versions", "--bootstrap-server", "localhost:9092"]
      interval: 10s
      timeout: 10s
      retries: 5

  # Application service
  app:
    build:
      context: .
      dockerfile: Dockerfile
      target: production
    container_name: leaderboard-app
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      kafka:
        condition: service_healthy
    ports:
      - "3000:3000"
    environment:
      NODE_ENV: production
      DATABASE_URL: postgresql://postgres:postgres@postgres:5432/leaderboard_db
      REDIS_HOST: redis
      REDIS_PORT: 6379
      KAFKA_BROKERS: kafka:29092
      JWT_SECRET: your-jwt-secret-for-docker
      JWT_EXPIRES_IN: 7d
      PORT: 3000
    command: >
      sh -c "npx prisma migrate deploy && node dist/main"

volumes:
  postgres_data: