优化注册功能

docker-compose.low-mem.yml

@@ -0,0 +1,41 @@
+version: '3.8'
+
+services:
+  web:
+    build:
+      context: .
+      dockerfile: Dockerfile.low-mem
+    container_name: diet_recommendation_app_low_mem
+    ports:
+      - "5000:5000"
+    environment:
+      - FLASK_ENV=production
+      - PYTHONUNBUFFERED=1
+      - PYTHONHASHSEED=0
+      - MALLOC_ARENA_MAX=2
+    volumes:
+      # 持久化数据目录
+      - ./data:/app/data
+      - ./logs:/app/logs
+      - ./models:/app/models
+    restart: unless-stopped
+    # 内存限制（小内存机器配置）
+    deploy:
+      resources:
+        limits:
+          memory: 512M
+        reservations:
+          memory: 256M
+    networks:
+      - app-network
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://localhost:5000/health').read()"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 15s
+
+networks:
+  app-network:
+    driver: bridge
+