services:
  redis:
    image: redis:7-alpine
    restart: unless-stopped
    volumes:
      - redis-data:/data
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 3

  app:
    build: .
    restart: unless-stopped
    ports:
      - "${APP_PORT:-3000}:3000"
    env_file: .env
    environment:
      - RAILS_ENV=production
      - RAILS_MASTER_KEY=${RAILS_MASTER_KEY}
      - REDIS_HOST=redis
    volumes:
      - db-data:/home/rails/coredns-app-db
    depends_on:
      redis:
        condition: service_healthy

  coredns:
    build:
      context: .
      dockerfile: Dockerfile.coredns
    restart: unless-stopped
    ports:
      - "53:53/udp"
      - "53:53/tcp"
    cap_add:
      - NET_BIND_SERVICE
    volumes:
      - ./Corefile:/etc/coredns/Corefile:ro
    depends_on:
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8053/health"]
      interval: 10s
      timeout: 5s
      retries: 3

volumes:
  redis-data:
  db-data: