python venv flask gunicorn 部署与 pycharm 连接

创建venv

1. 安装virtualenv
   pip install virtualenv

2. 配置venv

   路径 /home/flask/venv_flask_dev ##开发环境
   venv名称为 venv_flask_dev

   cd /home/flask/
   python3 -m venv venv_flask_dev
   

3. 进入venv

   source /home/flask/venv_flask_dev/bin/activate
   

   退出venv

   cd /home/flask/venv_flask_dev/bin/activate
   deactivate
   

4. 安装flask\gunicorn

   pip install flask
   pip install gunicorn
   

5. 测试flask

   touch /home/flask/venv_flask_dev/hello.py
   export FLASK_APP=hello.py
   
   vim hello.py
   

   from flask import Flask
   app = Flask(__name__)
   @app.route('/')
   def hello_world():
       return 'Hello, World!'
   

   使用gunicorn启动wsgi

   gunicorn --workers=3 hello:app -b 127.0.0.1:8080
   Booting worker with pid: 3496
   Booting worker with pid: 3497
   Booting worker with pid: 3499
   curl 127.0.0.1:8080
   Hello, World!
   

   静默运行

   gunicorn --workers=3 hello:app -b 127.0.0.1:8080 -D