CentOS6下使用nginx+gunicorn+Supervisor部署Flask应用 | 杜顺帆的个人博客

Published on March 17, 2013

Flask应用的部署刚开始确实有点伤脑筋，主要还是自己第一次接触这个领域，对一些模式只有略知一二。上个星期花费了很多时间才部署完毕，今天真巧有空发一下自己的笔记：（非root用户记得加sudo）

安装基础环境

yum install python python-devel libxml2 libxml2-devel python-setuptools zlib-devel wget openssl-devel pcre pcre-devel sudo gcc make autoconf automake

安装pip

获取最新版的pip

wget https://pypi.python.org/packages/source/p/pip/pip-1.3.1.tar.gz
tar -xzvf pip-1.3.1.tar.gz
cd pip-1.3.1
python setup.py install

安装virtualenv

cd ~
pip install virtualenv

在/projects目录下新建一个Project：

virtualenv /projects/project
source /projects/project/bin/activate

安装Flask

pip install Flask

在/projects/project目录下新建一个project.py，内容是:

from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return "Hello world!"

if __name__ == '__main__':
    app.run()

安装gunicorn和Supervisor

pip install gunicorn
easy_install supervisor

配置supervisor

vim /etc/supervisord.conf

在里面写入：（1234可以更改为你喜欢的端口，只要和其他的端口不重合就行。root也可改为其他用户）

[program:project]
command = /projects/project/bin/python /projects/project/bin/gunicorn -b 127.0.0.1:1234 project:app
directory = /projects/project/
user = root
autostart = true
autorestart = true
stderr_logfile = /projects/project/logs/stderr.log
stdout_logfile = /projects/project/logs/stdout.log

新建logs文件夹：

cd /projects/project
mkdir logs

开启supervisor

supervisord -c /etc/supervisord.conf
supervisorctl reread
supervisorctl update
supervisorctl start project

需要注意的是，每次更新/etc/supervisord.conf都要使用reread和update的指令。

如果开启失败，可以查看logs，整改后重启：

supervisorctl restart project

安装nginx

cd ~
rpm http://nginx.org/packages/centos/6/noarch/RPMS/nginx-release-centos-6-0.el6.ngx.noarch.rpm
yum install nginx
/etc/init.d/nginx start
chkconfig --add nginx
chkconfig nginx on

配置nginx

新建conf：

vim /etc/nginx/conf.d/project.conf

写入：（如果端口不是1234，注意下面的端口需要修改）

server {
    listen 80;
    server_name yourdomain.com;

    access_log /projects/project/logs/access.log;
    error_log /projects/project/logs/error.log;

    location / {
        proxy_set_header X-Forward-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        if (!-f $request_filename) {
            proxy_pass http://127.0.0.1:1234;
        }
    }

    location ~.*(js|css|png|gif|jpg|mp3|ogg)$ {
        root /projects/project/;
    }
}

重启nginx

service nginx reload

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