# docker-compose.yml — HALE Production Stack

services:
  # ── HALE API ──────────────────────────────────────────────────
  api:
    build: .
    ports:
      - "8000:8000"
    env_file:
      - .env
    volumes:
      - ./data:/app/data
      - ./logs:/app/logs
    depends_on:
      db:
        condition: service_healthy
      redis:
        condition: service_healthy
    environment:
      - DATABASE_URL=postgresql://hale:hale_secret@db:5432/hale
      - REDIS_URL=redis://redis:6379/0
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 512M
          cpus: "0.5"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 20s

  # ── PostgreSQL ───────────────────────────────────────────────
  db:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB:       hale
      POSTGRES_USER:     hale
      POSTGRES_PASSWORD: hale_secret
    ports:
      - "5432:5432"
    volumes:
      - pgdata:/var/lib/postgresql/data
    restart: unless-stopped
    deploy:
      resources:
        limits:
          memory: 256M
          cpus: "0.5"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U hale -d hale"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s

  # ── Redis (rate limiting + lesson cache in prod) ─────────────
  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    volumes:
      - redisdata:/data
    restart: unless-stopped
    command: redis-server --maxmemory 64mb --maxmemory-policy allkeys-lru
    deploy:
      resources:
        limits:
          memory: 80M
          cpus: "0.1"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 3

volumes:
  pgdata:
  redisdata: