version: '3.8'

services:
  ddns-updater:
    build: .
    container_name: internetx-ddns-updater
    restart: unless-stopped
    
    ports:
      - "3000:3000"
    
    environment:
      - NODE_ENV=production
      - PORT=3000
      # InterNetX API - Configure via .env file
      - INTERNETX_API_URL=${INTERNETX_API_URL}
      - INTERNETX_USER=${INTERNETX_USER}
      - INTERNETX_PASSWORD=${INTERNETX_PASSWORD}
      - INTERNETX_CONTEXT=${INTERNETX_CONTEXT}
      # DDNS Configuration
      - DEFAULT_ZONE=${DEFAULT_ZONE}
      - DEFAULT_TTL=${DEFAULT_TTL}
      # Security
      - AUTH_TOKENS=${AUTH_TOKENS}
      - IP_WHITELIST=${IP_WHITELIST}
      # Rate Limiting
      - RATE_LIMIT_WINDOW_MS=${RATE_LIMIT_WINDOW_MS}
      - RATE_LIMIT_MAX_REQUESTS=${RATE_LIMIT_MAX_REQUESTS}
      # Logging
      - LOG_LEVEL=${LOG_LEVEL}
      - LOG_FILE_MAX_SIZE=${LOG_FILE_MAX_SIZE}
      - LOG_FILE_MAX_AGE=${LOG_FILE_MAX_AGE}
    
    volumes:
      - ./logs:/app/logs
      - ./public:/app/public:ro
    
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:3000/health', (r) => {r.statusCode === 200 ? process.exit(0) : process.exit(1)})"]
      interval: 30s
      timeout: 3s
      retries: 3
      start_period: 10s
    
    networks:
      - ddns-network

networks:
  ddns-network:
    driver: bridge