{"id":208666,"date":"2025-09-29T20:19:02","date_gmt":"2025-09-29T12:19:02","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208666\/"},"modified":"2025-09-29T20:19:03","modified_gmt":"2025-09-29T12:19:03","slug":"vps-nodejs","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208666\/","title":{"rendered":"\u5728\u9999\u6e2fVPS\u4e0a\u90e8\u7f72Node.js\u540e\u7aef\uff1a\u4ece\u96f6\u5230\u4e0a\u7ebf\u7684\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u5168\u7403\u7f51\u7edc\u5316\u65f6\u4ee3\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u4e3b\u673a\u5e76\u5728\u5176\u4e0a\u90e8\u7f72\u7a33\u5b9a\u7684\u540e\u7aef\u670d\u52a1\u5bf9\u7ad9\u957f\u548c\u4f01\u4e1a\u7528\u6237\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u4ee5\u5728\u9999\u6e2fVPS\u4e0a\u90e8\u7f72Node.js\u540e\u7aef\u4e3a\u4e3b\u7ebf\uff0c\u7ed3\u5408\u539f\u7406\u3001\u5b9e\u8df5\u64cd\u4f5c\u3001\u5e94\u7528\u573a\u666f\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e26\u4f60\u4ece\u96f6\u5230\u4e0a\u7ebf\uff0c\u5e2e\u52a9\u4f60\u7406\u89e3\u4e3a\u4ec0\u4e48\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\u66f4\u5408\u9002\uff0c\u4ee5\u53ca\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\u76f8\u6bd4\u7684\u4f18\u52a3\u3002<\/p>\n<h2>\u4e3a\u4f55\u9009\u62e9\u9999\u6e2fVPS\u6765\u627f\u8f7dNode.js\u540e\u7aef<\/h2>\n<p>\u9999\u6e2f\u4f5c\u4e3a\u4e9a\u592a\u5730\u533a\u7684\u4e92\u8054\u7f51\u67a2\u7ebd\uff0c\u5177\u5907\u4f4e\u5ef6\u8fdf\u76f4\u8fde\u4e2d\u56fd\u5927\u9646\u548c\u4e1c\u5357\u4e9a\u7684\u7f51\u7edc\u4f18\u52bf\u3002\u5bf9\u4e8e\u9762\u5bf9\u4e2d\u56fd\u5185\u5730\u7528\u6237\u6216\u533a\u57df\u6027\u4e1a\u52a1\u7684\u7ad9\u70b9\u548c\u5e94\u7528\uff0c<strong>\u9999\u6e2fVPS<\/strong>\u901a\u5e38\u80fd\u63d0\u4f9b\u66f4\u7a33\u5b9a\u7684\u8bbf\u95ee\u4f53\u9a8c\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0c<strong>\u7f8e\u56fdVPS<\/strong>\u6216<em>\u7f8e\u56fd\u670d\u52a1\u5668<\/em>\u66f4\u9002\u5408\u9762\u5411\u7f8e\u6d32\u7528\u6237\u7684\u5e94\u7528\u3002<\/p>\n<p>\u6280\u672f\u5c42\u9762\uff0cNode.js 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Node.js\uff09<\/h2>\n<p>\u672c\u8282\u5047\u8bbe\u4f60\u5df2\u7ecf\u8d2d\u4e70\u5e76\u62ff\u5230\u9999\u6e2fVPS\u7684\u8d26\u53f7\uff08root \u6216\u5177 sudo \u6743\u9650\uff09\u3002\u4e0b\u9762\u4ee5\u5e38\u89c1\u7684 Ubuntu\/Debian \u53d1\u884c\u7248\u4e3a\u4f8b\uff0c\u8bf4\u660e\u4ece\u7cfb\u7edf\u521d\u59cb\u5316\u5230\u90e8\u7f72\u7684\u5173\u952e\u6b65\u9aa4\u3002<\/p>\n<h3>1. \u7cfb\u7edf\u521d\u59cb\u5316\u4e0e\u5b89\u5168<\/h3>\n<ul>\n<li>\u66f4\u65b0\u7cfb\u7edf\uff1a<code>sudo apt update &amp;&amp; sudo apt upgrade -y<\/code>\u3002<\/li>\n<li>\u6dfb\u52a0\u975e root \u7528\u6237\u5e76\u914d\u7f6e sudo\uff1a<code>adduser deployer<\/code>\uff0c\u5e76\u5c06\u5176\u52a0\u5165 sudo \u7ec4\u3002<\/li>\n<li>\u914d\u7f6e SSH\uff1a\u7981\u7528\u5bc6\u7801\u767b\u5f55\u3001\u5f00\u542f\u516c\u94a5\u8ba4\u8bc1\uff0c\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\uff08\u53ef\u9009\uff09\uff0c\u5e76\u901a\u8fc7 <code>ufw<\/code> \u6216 <code>iptables<\/code> 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\u7b80\u4fbf\u4e14\u5e26\u8fdb\u7a0b\u5b88\u62a4\u4e0e\u65e5\u5fd7\uff0c\u4f46 systemd \u66f4\u8f7b\u91cf\u4e14\u6574\u5408\u7cfb\u7edf\u7ea7\u522b\u76d1\u63a7\u3002<\/li>\n<\/ul>\n<h3>3. \u6784\u5efa\u4e0e\u90e8\u7f72\u6d41\u7a0b<\/h3>\n<ul>\n<li>\u4ee3\u7801\u62c9\u53d6\uff1a\u4f7f\u7528 Git \u5c06\u4ee3\u7801\u62c9\u5230\u670d\u52a1\u5668\u6307\u5b9a\u76ee\u5f55\u3002<\/li>\n<li>\u73af\u5883\u53d8\u91cf\u7ba1\u7406\uff1a\u4f7f\u7528 .env \u6216 secrets \u7ba1\u7406\u654f\u611f\u4fe1\u606f\uff0c\u907f\u514d\u5c06\u51ed\u8bc1\u63d0\u4ea4\u5230\u4ed3\u5e93\u3002<\/li>\n<li>\u4f9d\u8d56\u5b89\u88c5\u4e0e\u6784\u5efa\uff1a<code>npm ci<\/code>\uff08\u4fdd\u8bc1\u4e00\u81f4\u6027\uff09\uff0c\u7136\u540e <code>npm run build<\/code>\uff08\u82e5\u6709\u524d\u7aef\u6216\u7f16\u8bd1\u6b65\u9aa4\uff09\u3002<\/li>\n<li>\u542f\u52a8\u7b56\u7565\uff1a\u4e3a\u96f6\u505c\u673a\u90e8\u7f72\u53ef\u7ed3\u5408 PM2 \u7684 <code>pm2 reload<\/code> \u6216 systemd \u7684\u84dd\u7eff\u90e8\u7f72\u811a\u672c\u3002<\/li>\n<li>\u65e5\u5fd7\u4e0e\u76d1\u63a7\uff1a\u914d\u7f6e\u65e5\u5fd7\u8f6e\u8f6c\uff08logrotate\uff09\uff0c\u5e76\u63a5\u5165\u76d1\u63a7\u7cfb\u7edf\uff08Prometheus + Grafana \u6216\u4e91\u5382\u5546\u63d0\u4f9b\u7684\u76d1\u63a7\uff09\u4ee5\u89c2\u6d4b CPU\u3001\u5185\u5b58\u3001\u54cd\u5e94\u65f6\u95f4\u4e0e\u9519\u8bef\u7387\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u8fd0\u884c\u65f6\u4f18\u5316\u4e0e\u6545\u969c\u6392\u67e5<\/h2>\n<p>Node.js \u7684\u6027\u80fd\u4e0d\u4ec5\u53d6\u51b3\u4e8e\u4ee3\u7801\uff0c\u8fd8\u53d7\u9650\u4e8e\u7cfb\u7edf\u914d\u7f6e\u4e0e\u7f51\u7edc\u73af\u5883\u3002\u4ee5\u4e0b\u662f\u5e38\u89c1\u7684\u4f18\u5316\u9879\uff1a<\/p>\n<ul>\n<li><strong>\u8c03\u6574\u6587\u4ef6\u63cf\u8ff0\u7b26\u6570\u91cf<\/strong>\uff1a\u5e76\u53d1\u8fde\u63a5\u591a\u65f6\u9700\u8981\u589e\u5927 ulimit\uff08\u5982\u5c06 nofile \u63d0\u9ad8\u5230 100000\uff09\u3002<\/li>\n<li><strong>TCP \u53c2\u6570\u4f18\u5316<\/strong>\uff1a\u8c03\u6574\u5185\u6838\u53c2\u6570\uff08\/etc\/sysctl.conf\uff09\u5982 tcp_tw_recycle\uff08\u5df2\u5f03\u7528\uff0c\u6ce8\u610f\u66ff\u4ee3\u65b9\u6848\uff09\u3001tcp_fin_timeout\u3001somaxconn \u6765\u63d0\u5347\u5e76\u53d1\u8fde\u63a5\u627f\u8f7d\u80fd\u529b\u3002<\/li>\n<li><strong>\u5783\u573e\u56de\u6536\u8c03\u4f18<\/strong>\uff1a\u5bf9\u4e8e\u5185\u5b58\u654f\u611f\u578b\u670d\u52a1\uff0c\u4f7f\u7528 Node \u7684 V8 \u53c2\u6570\uff08\u5982 &#8211;max-old-space-size\uff09\u6765\u9650\u5236\u5806\u5185\u5b58\u5e76\u5206\u6790\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<li><strong>\u8d1f\u8f7d\u5747\u8861\u4e0e\u6c34\u5e73\u6269\u5c55<\/strong>\uff1a\u4f7f\u7528 Nginx \u6216 HAProxy \u505a\u53cd\u5411\u4ee3\u7406\u4e0e\u8d1f\u8f7d\u5747\u8861\uff0c\u7ed3\u5408 Docker \/ Kubernetes \u505a\u5f39\u6027\u4f38\u7f29\u3002<\/li>\n<\/ul>\n<h3>\u6545\u969c\u6392\u67e5\u8981\u70b9<\/h3>\n<ul>\n<li>\u9ad8 CPU\uff1a\u5206\u6790\u70ed\u5faa\u73af\u3001\u540c\u6b65\u963b\u585e\u4ee3\u7801\u6216\u88ab\u5355\u7ebf\u7a0b\u963b\u585e\u7684\u64cd\u4f5c\uff08\u8003\u8651 offload \u5230\u5de5\u4f5c\u7ebf\u7a0b\u6216\u5b50\u8fdb\u7a0b\uff09\u3002<\/li>\n<li>\u5185\u5b58\u6cc4\u6f0f\uff1a\u4f7f\u7528 heapdump\u3001clinic.js \u7b49\u5de5\u5177\u5b9a\u4f4d\u6cc4\u6f0f\u70b9\u3002<\/li>\n<li>\u7f51\u7edc\u95ee\u9898\uff1a\u901a\u8fc7 ping\/traceroute \u68c0\u67e5\u4ece\u9999\u6e2fVPS\u5230\u76ee\u6807\u8282\u70b9\u7684\u8def\u5f84\uff0c\u8bc6\u522b\u4e22\u5305\u6216\u94fe\u8def\u6296\u52a8\u3002<\/li>\n<li>\u78c1\u76d8 I\/O\uff1a\u65e5\u5fd7\u5199\u5165\u8fc7\u4e8e\u9891\u7e41\u65f6\u4f1a\u5f71\u54cd\u6027\u80fd\uff0c\u8003\u8651\u65e5\u5fd7\u5f02\u6b65\u5199\u5165\u6216\u964d\u4f4e\u65e5\u5fd7\u7ea7\u522b\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u67b6\u6784\u4e0e\u5e94\u7528\u573a\u666f<\/h2>\n<p>\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u4e0b\u7684\u90e8\u7f72\u67b6\u6784\u5dee\u5f02\u8f83\u5927\uff0c\u4e0b\u9762\u5217\u51fa\u51e0\u7c7b\u5178\u578b\u573a\u666f\u4e0e\u5efa\u8bae\uff1a<\/p>\n<h3>\u5c0f\u578b\u7f51\u7ad9\u4e0eAPI\u670d\u52a1<\/h3>\n<ul>\n<li>\u5355\u53f0\u9999\u6e2fVPS + Nginx \u53cd\u5411\u4ee3\u7406 + PM2 \u6258\u7ba1 Node \u5e94\u7528\u5373\u53ef\uff1b\u9002\u5408\u521d\u521b\u9879\u76ee\u4e0e\u6d41\u91cf\u8f83\u5c0f\u7684\u4f01\u4e1a\u7ad9\u70b9\u3002<\/li>\n<li>\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u4e0e\u4ee3\u7801\uff0c\u914d\u7f6e\u81ea\u52a8\u5316\u811a\u672c\uff08cron\uff09\u505a\u65e5\u5e38\u8fd0\u7ef4\u4efb\u52a1\u3002<\/li>\n<\/ul>\n<h3>\u9ad8\u5e76\u53d1\u5b9e\u65f6\u901a\u4fe1\uff08\u5982 WebSocket\uff09<\/h3>\n<ul>\n<li>\u4f7f\u7528\u96c6\u7fa4\u5316\u90e8\u7f72\uff0c\u591a\u5b9e\u4f8b\u6a2a\u5411\u6269\u5c55\uff1b\u901a\u8fc7 Nginx \u6216 L7 \u8d1f\u8f7d\u5747\u8861\u5668\u5b9e\u73b0\u4f1a\u8bdd\u4fdd\u6301\u6216\u4f7f\u7528 Redis 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