Centos环境中Django项目中gunicorn的配置和使用

一、安装
pip3 install gunicorn

测试
python3 -m gunicorn --config gunicorn.conf.py 项目名.wsgi:application

查找 gunicorn 可执行文件路径
如果仍然想用 gunicorn 命令，可以找到它的安装位置：

find / -name gunicorn 2>/dev/null

检查环境变量：
echo $PATH

修改环境变量：
查看
[root@192 ~]#  cat ~/.bashrc
# .bashrc

# User specific aliases and functions

alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'

# Source global definitions
if [ -f /etc/bashrc ]; then
. /etc/bashrc
fi
source /opt/rh/devtoolset-9/enable
#This is  gcc version
source /opt/rh/devtoolset-9/enable #This is  gcc version
export PATH=$path:/usr/local/python3/bin #新增的，添加gunicorn的目录位置
export PATH=$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/bin #这个也很重要，检查有没有存在

生效命令
source ~/.bashrc

测试：
gunicorn --config gunicorn.conf.py myproject.wsgi:application
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二、创建配置文件

在项目的根目录下创建配置文件 

vim  gktb/gunicorn.conf.py
内容：
# gunicorn.conf.py
import multiprocessing

# 服务器socket
bind = "127.0.0.1:8000"
backlog = 2048

# 工作进程 (Python 3.11优化)
workers = multiprocessing.cpu_count() * 2 + 1
worker_class = "sync"  # Python 3.11的同步性能已经很好
worker_connections = 1000
timeout = 30
keepalive = 2

# Python 3.11性能优化
worker_tmp_dir = "/dev/shm"  # 使用内存文件系统
# 重启
max_requests = 1000
max_requests_jitter = 100
preload_app = True

# 日志
accesslog = "/root/projects/gktb/logs/gunicorn_access.log"
errorlog = "/root/projects/gktb/logs/gunicorn_error.log"
loglevel = "info"

# 进程命名
proc_name = 'gktb_gunicorn'

# 用户权限
user = "root"
group = "root"

--------------------------------

三、创建服务：

目的：使用系统服务自动启动项目

vim /etc/systemd/system/gktb.service

内容：
[Unit]
Description=GKTB Django Application
After=network.target mysql.service

[Service]
WorkingDirectory=/root/projects/gktb 
ExecStart=/usr/local/python3/bin/gunicorn --config gunicorn.conf.py gktb.wsgi:application
ExecReload=/bin/kill -s HUP $MAINPID
Restart=always
RestartSec=3

[Install]
WantedBy=multi-user.target

重新加载 Systemd：
sudo systemctl daemon-reload

sudo systemctl enable gktb
sudo systemctl restart gktb

-----------------------

部署nginx做跳转
安装nginx
yum install -y nginx

添加配置文件：
vim /etc/nginx/conf.d/gktb.conf

server {
listen 80;
server_name your-domain.com your-server-ip;

    # 安全头
add_header X-Frame-Options "SAMEORIGIN" always;
add_header X-XSS-Protection "1; mode=block" always;
add_header X-Content-Type-Options "nosniff" always;

    # 静态文件
location /static/ {
alias /root/projects/gktb/app01/static/;
expires 30d;
add_header Cache-Control "public, immutable";
}

    # 媒体文件
location /media/ {
alias /root/projects/gktb/app01/static/media/;
expires 7d;
}

    # Django应用
location / {
proxy_pass http://127.0.0.1:8000;
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;

        # 超时设置
proxy_connect_timeout 30s;
proxy_send_timeout 30s;
proxy_read_timeout 30s;
}

    # 文件上传大小限制
client_max_body_size 10M;

    # 日志
access_log /var/log/nginx/gktb_access.log;
error_log /var/log/nginx/gktb_error.log;
}

最后修改/etc/nginx/nginx.conf中的user root,权限问题