# Scout Agent Docker Compose 配置
# Phase 1: PostgreSQL + Redis + NATS 高可用基础设施
# 使用方式: docker-compose up -d

version: '3.8'

services:
  # ========== 应用服务 ==========
  scout-agent:
    build: .
    container_name: scout-agent
    restart: unless-stopped
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      nats:
        condition: service_started
    
    ports:
      - "8848:8848"
    
    volumes:
      - scout-data:/app/data
    
    environment:
      # 存储后端配置
      - SCOUT_STORAGE_BACKEND=postgres
      - SCOUT_PG_DSN=postgresql://scout:scout@postgres:5432/scout
      - SCOUT_PG_MIN_SIZE=5
      - SCOUT_PG_MAX_SIZE=20
      
      # 缓存配置
      - SCOUT_CACHE_BACKEND=redis
      - SCOUT_REDIS_URL=redis://redis:6379/0
      
      # NATS 事件总线
      - SCOUT_NATS_URL=nats://nats:4222
      
      # API Key（必需）
      - OPENAI_API_KEY=${OPENAI_API_KEY}
      
      # 可选：模型配置
      - OPENAI_API_BASE=${OPENAI_API_BASE:-https://api.openai.com/v1}
      - LLM_MODEL=${LLM_MODEL:-gpt-4}
      - EMBEDDING_MODEL=${EMBEDDING_MODEL:-text-embedding-3-small}
      
      # 其他配置
      - LOG_LEVEL=${LOG_LEVEL:-INFO}
      - MAX_TOKENS=${MAX_TOKENS:-4000}
      - TEMPERATURE=${TEMPERATURE:-0.7}
    
    deploy:
      resources:
        limits:
          memory: 2G
          cpus: '2'
        reservations:
          memory: 512M
          cpus: '0.5'
    
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8848/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s
    
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

  # ========== 基础设施 ==========
  
  # PostgreSQL 主库
  postgres:
    image: postgres:16-alpine
    container_name: scout-postgres
    restart: unless-stopped
    
    environment:
      POSTGRES_USER: scout
      POSTGRES_PASSWORD: scout
      POSTGRES_DB: scout
    
    volumes:
      - postgres-data:/var/lib/postgresql/data
    
    ports:
      - "5432:5432"
    
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U scout"]
      interval: 10s
      timeout: 5s
      retries: 5
    
    deploy:
      resources:
        limits:
          memory: 1G
          cpus: '1'

  # Redis
  redis:
    image: redis:7-alpine
    container_name: scout-redis
    restart: unless-stopped
    
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    
    volumes:
      - redis-data:/data
    
    ports:
      - "6379:6379"
    
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5
    
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: '0.5'

  # NATS with JetStream
  nats:
    image: nats:2-alpine
    container_name: scout-nats
    restart: unless-stopped
    
    command:
      - "--jetstream"
      - "--store_dir=/data"
      - "--max_mem=256M"
    
    volumes:
      - nats-data:/data
    
    ports:
      - "4222:4222"   # Client
      - "8222:8222"   # HTTP monitoring
    
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: '0.5'

volumes:
  scout-data:
    driver: local
  postgres-data:
    driver: local
  redis-data:
    driver: local
  nats-data:
    driver: local