Flask服务配置

环境：ubuntu-14.04.3(预装python3.4)

1.flask(Web框架)

2.gunicorn(python Wsgi http server)

1.安装

    sudo pip3 install gunicorn

2.修改入口文件

      from werkzeug.contrib.fixers import ProxyFix
      app.wsgi_app = ProxyFix(app.wsgi_app)
      app.run()

3.启动

    gunicorn -w 4 -b 127.0.0.1:8000 入口文件名:应用实例

3.upstart(服务进程管理)

    myapp.conf (开机启动)
        '''
            description "flask app"

            start on runlevel [2345]
            stop on runlevel [!2345]
            
            respawn
            setuid root
            setgid www-data
            
            chdir /home/zhangxin/PycharmProjects/flaskApp # 指令被执行的目录
            
            exec gunicorn -b 0.0.0.0:8000 app:app
        '''
    1.目录： cd /etc/init
    2.启动：sudo start myapp
    3.状态：sudo status myapp
    4.停止：sudo stop myapp
    5.重启：sudo restart myapp

4.nginx(代理服务)

1.安装

    sudo apt-get install nginx
    
    /etc/nginx/sites-available
    
    sudo nano default
    '''
        server {
            listen 8899;
            server_name 127.0.0.1;
            location / {
               proxy_pass  http://127.0.0.1:8000;
               proxy_set_header Host $host;
               proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            }
        }
    '''

2.重启

    sudo service nginx restart

5.修改pip镜像地址：

    /home/<username>/.pip/pip.conf
    [global]
    index-url = http://mirrors.aliyun.com/pypi/simple/

6.安装 pip3

    sudo apt-get install python3-pip

7.pipreqs

1.安装

    sudo pip3 install pipreqs

2.生成

    pip3 freeze > requirements.txt

3.执行

    sudo pip3 install -r requirements.txt