如何使用Nginx反向代理Node.js

如何使用Nginx反向代理Node.js？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。

安装pm2

npm install pm2 -gln -s /home/download/node-v8.11.1-linux-x64/lib/node_modules/pm2/bin/pm2 /usr/local/bin/pm2

修改package.json

"scripts": {  "test": "echo \"Error: no test specified\" && exit 1",  "pm2": "/home/download/node-v8.11.1-linux-x64/lib/node_modules/pm2/bin/pm2 start /web/mazey.cn/server/app.js"}

or

"scripts": {  "test": "echo \"Error: no test specified\" && exit 1",  "pm2": "pm2 start app.js"}

启动pm2

npm run pm2

开机启动pm2

pm2 savepm2 startup centos

注意

若 pm2 startup centos 失败，可尝试 pm2 startup 。

PM2 detected systemv but you precised centos Please verify that your choice is indeed your init system If you arent sure, just run : pm2 startup

修改Nginx配置

vim /etc/nginx/conf.d/*.confupstream nodejs {  server 127.0.0.1:3000;  keepalive 64;}server {  listen 80;  server_name domain.cn;  root /web/mazey.cn;  index index.html index.htm;  # 网站切到/server下时走nodejs  location /server {    proxy_set_header  X-Real-IP $remote_addr;    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;    proxy_set_header  Host $http_host;    proxy_set_header  X-Nginx-Proxy true;    proxy_set_header  Connection "";    proxy_pass http://nodejs;  }  location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$ {    expires 30d;  }  location ~ .*\.(js|css)?$ {    expires 1h;  }}

相应的 app.js ：

const express = require('express')const app = express()let hi = 'hi'app.get('/server', (req, res, next) => { hi = `Hello Mazey!\n` next()}, (req, res) => { res.send(` ${hi} ${req.method}\n ${req.originalUrl}\n ${req.query.id}\n `)})const server = app.listen(3000, function () { let host = server.address().address let port = server.address().port console.log('Example app listening at http://%s:%s', host, port)})

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