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sudo apt-get update
sudo apt-get install nginx

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user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    ...
    server {
        listen 80;
        server_name example.com;

        location / {
            proxy_pass http://localhost:3000; 
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection 'upgrade';
            proxy_set_header Host $host;
            proxy_cache_bypass $http_upgrade;
        }
    }
}

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½ÓÏÂÀ´£¬ÎÒÃǽ«×°ÖÃPM2À´ÖÎÀíÎÒÃǵÄNode.jsÓ¦ÓóÌÐò¡£¿ÉÒÔͨ¹ýÒÔÏÂÏÂÁîÔÚVPSЧÀÍÆ÷ÉÏ×°ÖÃPM2£º

npm install pm2@latest -g

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pm2 start app.js

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Õ⽫Æô¶¯Ò»¸öÃûΪ”app.js”µÄNode.jsÓ¦ÓóÌÐò£¬²¢Ê¹ÓÃPM2À´¼à¿ØËüµÄÔËÐÐ״̬¡£Äã¿ÉÒÔʹÓÃPM2µÄÆäËûÏÂÁîÀ´Éó²éÈÕÖ¾¡¢¼à¿ØCPUºÍÄÚ´æµÈ¡£

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...
server {
    listen 80;
    server_name example.com;

    location / {
        proxy_pass http://localhost:3000; 
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}
...

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