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几个工具的关系结构如下

请求 -> Nginx -> supervisor进程管理[gunicorn、gevent容器[flask]]

安装

pip install gunicorn gevent flask

一、flask应用

# -*- coding: utf-8 -*-# run.pyfrom flask import Flaskfrom werkzeug.middleware.proxy_fix import ProxyFixapp = Flask(__name__)app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1, x_host=1)@app.route('/')def hello_world():    return 'Hello World!'

二、gunicorn+gevent配置

命令行启动

gunicorn -w 2 -b 127.0.0.1:8000 run:app

配置文件

# -*- coding: utf-8 -*-# config.pyfrom __future__ import print_function, absolute_import, unicode_literalsimport multiprocessingimport osimport gevent.monkeygevent.monkey.patch_all()if not os.path.exists('log'):    os.mkdir('log')# debug = Trueloglevel = 'debug'bind = "0.0.0.0:5000"pidfile = "log/gunicorn.pid"accesslog = "log/access.log"errorlog = "log/debug.log"daemon = True# 启动的进程数workers = multiprocessing.cpu_count() * 2 + 1worker_class = 'gevent'x_forwarded_for_header = 'X-FORWARDED-FOR'

指定配置文件启动

gunicorn -c config.py run:app

关闭

# 查看PID号ps -ef | grep gunicorn# 或者cat log/gunicorn.pid# 停止kill -9 PID号# 重启kill -HUP PID号

整合成命令行 service.sh

#!/bin/bash# service.sh# 添加启动命令function start(){
       echo "start..."    # 此处修改为项目路径    gunicorn -c config.py app:app    echo "start successful"    return 0}# 添加停止命令function stop(){
       echo "stop..."    kill -9 `cat log/gunicorn.pid`    echo "stop successful"    return 0}# 重启function restart(){
       echo "restart..."    kill -HUP `cat log/gunicorn.pid`    echo "restart successful"    return 0}case $1 in"start")    start    ;;"stop")    stop    ;;"restart")    restart    ;;*)    echo "请输入: start, stop, restart"    ;;esac

三、supervisor配置

[program: myweb] command=python server.pydirectory=/home/python/tornado_server

开机自启

四、Nginx配置

server {
       listen 80;    server_name _;    access_log  /var/log/nginx/access.log;    error_log  /var/log/nginx/error.log;    location / {
           proxy_pass         http://127.0.0.1:5000/;        proxy_redirect     off;        proxy_set_header   Host                 $host;        proxy_set_header   X-Real-IP            $remote_addr;        proxy_set_header   X-Forwarded-For      $proxy_add_x_forwarded_for;        proxy_set_header   X-Forwarded-Proto    $scheme;    }}

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