在DigitalOcean的服务器上部署flaskblog应用
在DigitalOcean上部署了flaskblog，项目虽小，部署中也学到了很多东西。
操作系统选择的是Ubuntu14.04，原因就是平时自己主要使用这个版本，顺手而已，所以你自己可以根据需要选择合适的linux版本。
部署方案：
Virtualenv+Gunicorn+Nginx+Supervisor
从这里下载项目的代码flaskblog, 工程中带有简单的配置文件参考。
可以先访问flaskblog看一下。
注意
本文中使用Ubuntu14.04 64位主机， 创建一个名为xin的用户，进行部署。
本文重点部署，所有linux的相关操作不做详细介绍。
部署目录是（/home/xin/www/flaskblog），所以请注意配置文件中的目录。
环境
系统:Ubuntu 14.04 64
Web Server: Nginx
虚拟环境: Virtualenv
WSGI Server: Gunicorn
数据库: MySQL
Monitor: Supervisor
使用supervisor主要是监控gunicorn的运行，保证服务器的可以持续运行。
安装
安装软件
$ sudo apt-get install python-pip $ sudo apt-get install python-dev $ sudo pip install virtualenv $ sudo apt-get install mysql-server $ sudo apt-get install libmysqlclient-dev $ sudo apt-get install nginx $ sudo apt-get install supervisor
下载工程并开启虚拟环境
使用git下载代码到（/home/xin/www/flaskblog）
$ git clone https://github.com/defshine/flaskblog.git $ cd flaskblog
启动虚拟环境，安装工程依赖
$ virtualenv venv $ source venv/bin/activate (venv)$ pip install -r requirements.txt
如何退出虚拟环境
(venv)$ deactivate
数据库
在MySQL数据库中创建数据库（flaskblog），修改 config.py中的数据库的配置
初始化数据库并创建管理员用户
(venv)$ python manage.py create_db (venv)$ python manage.py create_user -u admin -p 123456
开启监控
根据自己的情况，编辑工程下的supervisor配置文件（flaskblog.conf），然后复制到系统目录中
$ sudo cp flaskblog.conf /etc/supervisor/conf.d/
重新载入配置文件，并启动flaskblog
$ sudo supervisorctl reload $ sudo supervisorctl start flaskblog
查看运行状态
$ sudo supervisorctl status
Nginx
修改nginx的配置文件（flaskblog），然后复制到系统目录中去，并创建软链接。重启nignx。
$ sudo cp flaskblog /etc/nginx/site-available/ $ cd /etc/nginx/site-enabled $ sudo ln -s /etc/nginx/site-avalaible/flaskblog . $ sudo service nginx reload $ sudo service nginx restart
查看nginx状态
$ sudo service nginx status
然后，就可以通过ip地址访问了。当然，配置好域名，访问起来更好。
flaskblog这个小项目，刚刚有个小雏形，后续还可以开发一些小特性。
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