python:使用flask+gunicorn+supervisor+nginx部署python項目

本文主要介紹如何使用supervisor作爲守護進程管理工具。來部署python項目(服務器ubuntu)

 

1.python環境安裝（ubuntu系統）

apt install python3-pip python3-dev build-essential libssl-dev libffi-dev python3-setuptools

2.python虛擬環境安裝(ps:假定flask_app是待部署的項目)

   

cd /your/path/to/flask_app

python3.6 -m venv flask_appenv


source flask_appenv/bin/activate   (進入虛擬環境)

deactivate (退出虛擬環境)

pip install flask gunicorn  (在虛擬環境中執行)

   3.supervisor安裝

      

pip install supervisor

mkdir -p /etc/supervisor

mkdir -m 755 -p /etc/supervisor/

echo_supervisord_conf > /etc/supervisord.conf

       編輯配置文件最後兩行

     

vim /etc/supervisord.conf

[include]
files = /etc/supervisor/*.conf

4.創建日誌目錄

   

mkdir -p /var/log/gunicorn
chown -R www-data:www-data /var/log/gunicorn/

5.創建項目配置文件

vim /etc/supervisor/flask_app.conf

[program:flask_app]
directory = /data/backend/idata/flask_app
command = /your/path/to/flask_app/flask_appenv/bin/gunicorn --workers 33 --worker-class gevent --bind unix:flask_app.sock -m 007 app:server
user = www-data
autostart = true
autorestart = true
startretries = 3
redirect_stderr = true
stdout_logfile_maxbytes = 200MB
stdout_logfile_backups = 10
stdout_logfile = /var/log/gunicorn/flask_app.log

  workers 數爲cpu核心數 X 2 + 1
  user 啓動用戶(www-data:nginx用戶)
  redirect_stderr stderr 重定向到 stdout
  stdout_logfile_maxbytes 日誌文件大小
  stdout_logfile_backups 日誌文件備份數
  stdout_logfile 日誌文件

ps:管理supervisord    

supervisord -c /etc/supervisord.conf

supervisorctl -c /etc/supervisord.conf status （查看狀態）

supervisorctl -c /etc/supervisord.conf reload（重啓）

ps:項目管理

supervisorctl -c /etc/supervisord.conf stop flask_app
supervisorctl -c /etc/supervisord.conf start flask_app
supervisorctl -c /etc/supervisord.conf restart flask_app

6.啓動項目

supervisorctl -c /etc/supervisord.conf start flask_app

7.配置nginx代理（此處示例爲php+python的項目混合部署）

server {
	listen 80;
	listen 443 ssl;
        server_name  xxx.com;
        root /php/project/root;

	#if ($server_port = 80) {
        #        return 301 https://$server_name$request_uri;
        #}

		
	location / {
        	try_files $uri $uri/ /index.php?$query_string;
   	 }

    	location = /favicon.ico { access_log off; log_not_found off; }
    	location = /robots.txt  { access_log off; log_not_found off; }

    	error_page 404 /index.php;

	location ~ \.php$ {
        	fastcgi_pass unix:/run/php/php7.2-fpm.sock;
        	fastcgi_index index.php;
        	fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
        	include fastcgi_params;
    	}

    	location ~ /\.(?!well-known).* {
        	deny all;
    	}
	
	location ^~ /openapi/v1/tool/query/run {
        	include proxy_params;
        	proxy_pass http://unix:/you/path/to/flask_app/flask_app.sock;
    	}

        access_log /var/log/nginx/flaskapp.cn.access.log main;
}

server {
	listen 80;
 
	index index.html index.htm index.nginx-debian.html;
 
	server_name flask.biihu.com.cn;
 
	location / {
		include uwsgi_params;
        proxy_pass unix:/you/path/to/flask_app/flask_app.sock;
		try_files $uri $uri/ =404;
	}
 
}