start server with waitress

Dockerfile

@@ -6,4 +6,5 @@ RUN pip config set global.index-url https://pypi.tuna.tsinghua.edu.cn/simple
 RUN python3 -m pip install --upgrade pip && pip3 install --upgrade setuptools
 COPY . /web-gpt
 RUN pip3 install -r /web-gpt/requirements.txt
-CMD cd /web-gpt && flask --app=project run --host=0.0.0.0
+RUN pip3 install waitress
+CMD cd /web-gpt && waitress-serve --listen 0.0.0.0:5000 project:app

project/__init__.py

@@ -45,3 +45,6 @@ def create_app():
     app.register_blueprint(main_blueprint)
 
     return app
+
+
+app = create_app()