warm up module in dockerfile

Dockerfile

@@ -14,4 +14,7 @@ RUN pip3 install -r requirements.txt
 
 COPY . .
 
+# 可选步骤，用于预热模块
+RUN python3  -c 'from check_proxy import warm_up_modules; warm_up_modules()'
+
 CMD ["python3", "-u", "main.py"]