{"id":208714,"date":"2025-09-29T20:52:11","date_gmt":"2025-09-29T12:52:11","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208714\/"},"modified":"2025-09-29T20:52:12","modified_gmt":"2025-09-29T12:52:12","slug":"vps-89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208714\/","title":{"rendered":"\u9999\u6e2fVPS \u5feb\u901f\u90e8\u7f72 Ruby on Rails\uff1a\u4ece\u96f6\u5230\u4e0a\u7ebf\u7684 Web \u5e94\u7528\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u4e9a\u592a\u5730\u533a\u5feb\u901f\u90e8\u7f72\u9ad8\u6027\u80fd\u7684 Ruby on Rails \u5e94\u7528\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u4e3b\u673a\u548c\u6e05\u6670\u7684\u8fd0\u7ef4\u6d41\u7a0b\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u4ee5\u5b9e\u6218\u89d2\u5ea6\uff0c\u7ed3\u5408\u9999\u6e2f VPS \u7684\u7f51\u7edc\u4f18\u52bf\uff0c\u8bb2\u89e3\u4ece\u96f6\u642d\u5efa Rails \u5e94\u7528\u5230\u4e0a\u7ebf\u7684\u5b8c\u6574\u6d41\u7a0b\u3002\u9002\u5408\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u53c2\u8003\uff0c\u5185\u5bb9\u6db5\u76d6\u73af\u5883\u51c6\u5907\u3001\u90e8\u7f72\u65b9\u6848\u3001\u5e38\u89c1\u95ee\u9898\u4ee5\u53ca\u9009\u8d2d\u5efa\u8bae\uff0c\u5e76\u5728\u6587\u672b\u7ed9\u51fa\u76f8\u5173\u4ea7\u54c1\u94fe\u63a5\u4f9b\u53c2\u8003\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u9009\u62e9\u9999\u6e2f VPS \u6765\u90e8\u7f72 Rails \u5e94\u7528<\/h2>\n<p>\u9999\u6e2f VPS \u5728\u5730\u7406\u4f4d\u7f6e\u548c\u7f51\u7edc\u51fa\u53e3\u4e0a\u5bf9\u5927\u4e2d\u534e\u533a\u548c\u4e1c\u5357\u4e9a\u7528\u6237\u5177\u5907\u5929\u7136\u4f18\u52bf\uff0c\u5ef6\u8fdf\u4f4e\u3001\u5e26\u5bbd\u5145\u8db3\uff0c\u9002\u5408\u9762\u5411\u5927\u6e7e\u533a\u7528\u6237\u7684\u4e1a\u52a1\u3002\u540c\u65f6\uff0c\u5982\u679c\u4e1a\u52a1\u6709\u8de8\u5883\u9700\u6c42\uff0c\u53ef\u4e0e <strong>\u7f8e\u56fd VPS<\/strong> \u6216 <strong>\u7f8e\u56fd\u670d\u52a1\u5668<\/strong> \u505a\u5f02\u5730\u5bb9\u707e\uff0c\u7ed3\u5408 <strong>\u9999\u6e2f\u670d\u52a1\u5668<\/strong> \u505a\u4e3b\u7ad9\u70b9\uff0c\u5b9e\u73b0\u5168\u7403\u5206\u53d1\u548c\u5907\u4efd\u7b56\u7565\u3002<\/p>\n<h3>\u9002\u7528\u573a\u666f<\/h3>\n<ul>\n<li>\u9762\u5411\u4e2d\u56fd\u5927\u9646\u3001\u9999\u6e2f\u3001\u53f0\u6e7e\u3001\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u4e2d\u5c0f\u578b SaaS \u6216\u7535\u5546\u5e73\u53f0\u3002<\/li>\n<li>\u9700\u8981\u4f4e\u5ef6\u8fdf\u6570\u636e\u5e93\u8bbf\u95ee\u7684\u5b9e\u65f6\u5e94\u7528\uff08\u5982\u804a\u5929\u3001\u63a8\u8350\u7cfb\u7edf\uff09\u3002<\/li>\n<li>\u5bf9\u5e26\u5bbd\u4e0e\u51fa\u53e3\u7a33\u5b9a\u6027\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u6587\u4ef6\u5206\u53d1\u6216\u591a\u5a92\u4f53\u670d\u52a1\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u524d\u7684\u51c6\u5907\u4e0e\u539f\u5219<\/h2>\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u5efa\u8bae\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\u4ee5\u4fdd\u8bc1\u90e8\u7f72\u53ef\u91cd\u590d\u3001\u53ef\u7ef4\u62a4\u3001\u5b89\u5168\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u57fa\u7840\u955c\u50cf\uff1a\u63a8\u8350 Ubuntu 22.04 LTS \u6216 Debian 12\uff0c\u4fbf\u4e8e\u957f\u671f\u7ef4\u62a4\u548c\u5b89\u5168\u66f4\u65b0\u3002<\/li>\n<li>\u4f7f\u7528\u975e root \u7528\u6237\u5e76\u914d\u7f6e sudo\uff1a\u907f\u514d\u76f4\u63a5\u4f7f\u7528 root \u63d0\u5347\u98ce\u9669\u3002<\/li>\n<li>\u81ea\u52a8\u5316\u4e0e\u53ef\u590d\u73b0\uff1a\u4f7f\u7528\u811a\u672c\uff08Ansible\u3001Terraform \u6216 shell \u811a\u672c\uff09\u8bb0\u5f55\u5b89\u88c5\u6b65\u9aa4\u3002<\/li>\n<li>\u5b89\u5168\u4f18\u5148\uff1a\u5f00\u542f\u9632\u706b\u5899\u3001\u914d\u7f6e Fail2ban\u3001\u4f7f\u7528 Let&#8217;s Encrypt \u548c\u5f3a\u5bc6\u7801\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u5177\u4f53\u90e8\u7f72\u6b65\u9aa4\uff08\u4ee5 Ubuntu + rbenv + Puma + Nginx + PostgreSQL \u4e3a\u4f8b\uff09<\/h2>\n<h3>1. \u521b\u5efa\u4e0e\u521d\u59cb\u5316 VPS<\/h3>\n<ul>\n<li>\u521b\u5efa\u9999\u6e2f VPS \u5b9e\u4f8b\uff0c\u63a8\u8350\u6700\u5c11 2 vCPU\u30014GB \u5185\u5b58\u300140GB SSD \u8d77\u6b65\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u6d4b\u8bd5\u3002<\/li>\n<li>\u66f4\u65b0\u7cfb\u7edf\u5e76\u5b89\u88c5\u57fa\u7840\u5de5\u5177\uff1aapt update &amp;&amp; apt upgrade\uff1b\u5b89\u88c5 git\u3001curl\u3001build-essential\u3001libssl-dev \u7b49\u3002<\/li>\n<li>\u521b\u5efa\u666e\u901a\u7528\u6237\u5e76\u914d\u7f6e sudo\uff1aadduser deploy &amp;&amp; usermod -aG sudo deploy\u3002<\/li>\n<\/ul>\n<h3>2. \u5b89\u88c5 rbenv \u4e0e Ruby<\/h3>\n<ul>\n<li>\u4f18\u5148\u4f7f\u7528 rbenv \u4fdd\u6301 Ruby \u7248\u672c\u4e00\u81f4\u6027\uff1agit clone rbenv\u3001ruby-build \u63d2\u4ef6\u3002<\/li>\n<li>\u5b89\u88c5\u6240\u9700 Ruby \u7248\u672c\uff08\u4f8b\u5982 3.2.x\uff09\uff1arbenv install 3.2.2 &amp;&amp; rbenv global 3.2.2\u3002<\/li>\n<li>\u5b89\u88c5 Bundler\uff1agem install bundler\u3002<\/li>\n<\/ul>\n<h3>3. \u5b89\u88c5 Node.js\u3001Yarn \u4e0e\u7f16\u8bd1\u4f9d\u8d56<\/h3>\n<ul>\n<li>Rails \u9700\u8981 JS \u8fd0\u884c\u65f6\u7528\u4e8e assets\uff1a\u4f7f\u7528 Node.js 18+ \u6216 20\u3002<\/li>\n<li>\u5b89\u88c5 Yarn\uff08\u6216\u4f7f\u7528 npm\uff09\uff1a\u5e2e\u52a9\u7ba1\u7406\u524d\u7aef\u4f9d\u8d56\u3002<\/li>\n<li>\u5b89\u88c5 imagemagick\u3001libpq-dev \u7b49\u7528\u4e8e\u56fe\u50cf\u548c PostgreSQL \u7f16\u8bd1\u3002 <\/li>\n<\/ul>\n<h3>4. \u6570\u636e\u5e93\u4e0e\u7f13\u5b58\uff08PostgreSQL + Redis\uff09<\/h3>\n<ul>\n<li>\u5b89\u88c5 PostgreSQL\uff1aapt install postgresql postgresql-contrib\u3002<\/li>\n<li>\u521b\u5efa\u6570\u636e\u5e93\u7528\u6237\u548c\u6570\u636e\u5e93\uff0c\u914d\u7f6e\u597d pg_hba.conf\uff08\u8bbe\u7f6e\u9002\u5f53\u7684\u672c\u5730\u8ba4\u8bc1\u65b9\u5f0f\uff09\u5e76\u5f00\u542f\u8fdc\u7a0b\u8bbf\u95ee\u4ec5\u5728\u5fc5\u8981\u65f6\u542f\u7528\u3002<\/li>\n<li>\u5b89\u88c5 Redis\uff1aapt install redis-server\uff0c\u914d\u7f6e\u6301\u4e45\u5316\u4e0e\u5b89\u5168\uff08\u8bbe\u7f6e requirepass\u3001\u4fdd\u62a4\u6a21\u5f0f\uff09\u3002<\/li>\n<\/ul>\n<h3>5. \u5e94\u7528\u90e8\u7f72\u4e0e\u8fdb\u7a0b\u7ba1\u7406\uff08Puma + systemd\uff09<\/h3>\n<ul>\n<li>\u4ee3\u7801\u90e8\u7f72\u65b9\u5f0f\uff1a\u4f7f\u7528 Git\u3001Capistrano \u6216\u8005 CI\/CD\uff08GitHub Actions\u3001GitLab CI\uff09\u628a\u4ee3\u7801\u63a8\u5230\u670d\u52a1\u5668\u3002<\/li>\n<li>Puma \u662f\u73b0\u4ee3 Rails \u63a8\u8350\u7684\u5e94\u7528\u670d\u52a1\u5668\u3002\u521b\u5efa puma.rb \u914d\u7f6e\u5e76\u7528 systemd \u7ba1\u7406\uff1a<\/li>\n<li>\u793a\u4f8b systemd \u5355\u5143\u6587\u4ef6\uff08\/etc\/systemd\/system\/puma.service\uff09\uff1a\u914d\u7f6e Puma \u542f\u52a8\u7528\u6237\u3001\u73af\u5883\u53d8\u91cf\u3001\u5de5\u4f5c\u76ee\u5f55\u548c Restart \u7b56\u7565\u3002<\/li>\n<li>\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6587\u4ef6\uff08\/etc\/profile.d\/ \u6216 dotenv\uff09\u7ba1\u7406 SECRET_KEY_BASE\u3001DATABASE_URL \u7b49\u654f\u611f\u4fe1\u606f\uff0c\u907f\u514d\u786c\u7f16\u7801\u5728\u4ed3\u5e93\u4e2d\u3002<\/li>\n<\/ul>\n<h3>6. \u53cd\u5411\u4ee3\u7406\u4e0e SSL\uff08Nginx + Let&#8217;s Encrypt\uff09<\/h3>\n<ul>\n<li>\u5b89\u88c5 Nginx\uff0c\u5e76\u914d\u7f6e\u53cd\u5411\u4ee3\u7406\u5230 Puma \u7684 UNIX socket \u6216 TCP \u7aef\u53e3\uff0c\u8bbe\u7f6e http2\u3001\u4f18\u5316\u7f13\u51b2\u4e0e\u8d85\u65f6\u3002<\/li>\n<li>\u4f7f\u7528 Certbot \u83b7\u53d6 Let\u2019s Encrypt \u8bc1\u4e66\u5e76\u81ea\u52a8\u7eed\u671f\uff1acertbot &#8211;nginx\u3002<\/li>\n<li>\u542f\u7528\u5b89\u5168\u5934\uff08\u5982 Strict-Transport-Security\u3001X-Frame-Options\uff09\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h3>7. \u540e\u53f0\u4efb\u52a1\u4e0e\u5b9e\u65f6\u670d\u52a1\uff08Sidekiq\u3001ActionCable\uff09<\/h3>\n<ul>\n<li>\u4f7f\u7528 Redis \u652f\u6301 Sidekiq\uff0c\u521b\u5efa systemd unit \u7ba1\u7406 Sidekiq \u8fdb\u7a0b\u5e76\u9650\u5236\u5185\u5b58\u4f7f\u7528\u3002<\/li>\n<li>\u82e5\u4f7f\u7528 ActionCable\uff0c\u53ef\u5c06 WebSocket \u8fde\u63a5\u901a\u8fc7 Nginx \u8f6c\u53d1\u5230 Puma\uff0c\u5e76\u914d\u7f6e sticky session \u6216\u4f7f\u7528 Redis \u505a\u5e7f\u64ad\u9002\u914d\u3002<\/li>\n<\/ul>\n<h3>8. \u76d1\u63a7\u3001\u65e5\u5fd7\u4e0e\u5907\u4efd<\/h3>\n<ul>\n<li>\u65e5\u5fd7\u96c6\u4e2d\u5316\uff1a\u6536\u96c6 Rails logs\u3001Nginx logs\u3001systemd logs\uff0c\u53ef\u4f7f\u7528 ELK\u3001Loki \u6216\u7b80\u5355\u7684 Logrotate \u4e0e rsyslog\u3002<\/li>\n<li>\u6027\u80fd\u76d1\u63a7\uff1a\u4f7f\u7528 Prometheus + Grafana \u6216\u7b2c\u4e09\u65b9 APM\uff08New Relic\u3001Scout\uff09\u76d1\u63a7\u6162\u67e5\u8be2\u3001\u5185\u5b58\u6cc4\u6f0f\u3001\u8bf7\u6c42\u65f6\u95f4\u3002<\/li>\n<li>\u6570\u636e\u5e93\u4e0e\u6587\u4ef6\u5907\u4efd\uff1a\u5b9a\u671f pg_dump \u4e0e rsync\/S3 \u5b58\u50a8\uff0c\u6d4b\u8bd5\u6062\u590d\u6d41\u7a0b\uff0c\u914d\u7f6e\u5907\u4efd\u4fdd\u7559\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u4f18\u5316\u4e0e\u5e38\u89c1\u95ee\u9898<\/h2>\n<p><strong>\u8d44\u4ea7\u9884\u7f16\u8bd1<\/strong>\uff1a\u5728 CI \u4e2d\u8fd0\u884c bundle exec rails assets:precompile\uff0c\u7136\u540e\u5c06 public\/assets \u4e00\u5e76\u90e8\u7f72\uff0c\u907f\u514d\u751f\u4ea7\u73af\u5883\u7f16\u8bd1\u5e26\u6765\u7684 CPU \u5cf0\u503c\u3002<\/p>\n<p><strong>\u5185\u5b58\u4f18\u5316<\/strong>\uff1aPuma worker + threads \u914d\u7f6e\u9700\u4e0e VPS \u5185\u5b58\u5339\u914d\uff0c\u907f\u514d OOM\u3002\u4f7f\u7528 puma-worker-killer \u6216\u5916\u90e8\u76d1\u63a7\u964d\u4f4e\u5185\u5b58\u5cf0\u503c\u3002<\/p>\n<p><strong>\u6570\u636e\u5e93\u8fde\u63a5\u6570<\/strong>\uff1a\u5728 database.yml \u4e2d\u5408\u7406\u8bbe\u7f6e pool \u503c\uff0c\u786e\u4fdd\u4e0e PostgreSQL max_connections \u914d\u5408\u3002<\/p>\n<p><strong>\u5b89\u5168\u6027<\/strong>\uff1a\u5173\u95ed\u672a\u4f7f\u7528\u7aef\u53e3\u3001\u542f\u7528 UFW\uff08\u6216 iptables\uff09\u3001\u5b9a\u671f\u66f4\u65b0\u8865\u4e01\u3001\u9650\u5236 SSH \u767b\u5f55\uff08\u4f7f\u7528\u5bc6\u94a5\u5e76\u4fee\u6539\u9ed8\u8ba4\u7aef\u53e3\u6216\u914d\u7f6e Fail2ban\uff09\u3002<\/p>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2f VPS vs \u7f8e\u56fd VPS \/ \u672c\u5730\u670d\u52a1\u5668<\/h2>\n<p>\u90e8\u7f72\u5730\u70b9\u4f1a\u5f71\u54cd\u7f51\u7edc\u5ef6\u8fdf\u3001\u5408\u89c4\u6027\u3001\u6210\u672c\u548c\u7528\u6237\u4f53\u9a8c\uff0c\u4e0b\u9762\u5217\u51fa\u4e3b\u8981\u5dee\u5f02\u4f9b\u51b3\u7b56\u53c2\u8003\uff1a<\/p>\n<h3>\u9999\u6e2f VPS\uff08\u4f18\u70b9\uff09<\/h3>\n<ul>\n<li>\u5bf9\u5927\u4e2d\u534e\u533a\u53ca\u4e1c\u5357\u4e9a\u7528\u6237\u5ef6\u8fdf\u4f4e\uff0c\u9002\u5408\u5bf9\u54cd\u5e94\u65f6\u95f4\u654f\u611f\u7684\u5e94\u7528\u3002<\/li>\n<li>\u5e26\u5bbd\u5145\u8db3\u4e14\u51fa\u53e3\u9009\u62e9\u7075\u6d3b\uff0c\u8de8\u5883\u8bbf\u95ee\u8868\u73b0\u7a33\u5b9a\u3002<\/li>\n<li>\u6613\u4e8e\u6ee1\u8db3\u5730\u533a\u5408\u89c4\u53ca\u5546\u4e1a\u9700\u6c42\uff0c\u4fbf\u4e8e\u4e1a\u52a1\u6269\u5c55\u5230\u4e9a\u592a\u5e02\u573a\u3002<\/li>\n<\/ul>\n<h3>\u7f8e\u56fd VPS\uff08\u4f18\u70b9\uff09<\/h3>\n<ul>\n<li>\u5bf9\u5317\u7f8e\u7528\u6237\u5ef6\u8fdf\u4f18\uff0c\u901a\u5e38\u80fd\u83b7\u5f97\u66f4\u4f4e\u6210\u672c\u7684\u5927\u5e26\u5bbd\u65b9\u6848\uff0c\u9002\u5408\u5168\u7403\u5316\u4e1a\u52a1\u6216\u5bf9\u63a5\u5317\u7f8e API\/\u670d\u52a1\u3002<\/li>\n<li>\u4e30\u5bcc\u7684\u751f\u6001\u4e0e\u7b2c\u4e09\u65b9\u670d\u52a1\uff0c\u66f4\u6613\u4e0e\u7f8e\u56fd\u4e91\u670d\u52a1\u96c6\u6210\u3002<\/li>\n<\/ul>\n<h3>\u672c\u5730\/\u81ea\u5efa\u670d\u52a1\u5668\uff08\u9002\u7528\u573a\u666f\uff09<\/h3>\n<ul>\n<li>\u9002\u7528\u4e8e\u5bf9\u7269\u7406\u63a5\u5165\u6709\u4e25\u683c\u8981\u6c42\u3001\u9700\u8981\u5b8c\u5168\u63a7\u5236\u786c\u4ef6\u7684\u4f01\u4e1a\u7528\u6237\u3002<\/li>\n<li>\u4f46\u901a\u5e38\u8fd0\u7ef4\u6210\u672c\u3001\u8054\u7f51\u5197\u4f59\u548c\u5f39\u6027\u6269\u5bb9\u4e0d\u5982 VPS 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NVMe\/SSD \u4ee5\u964d\u4f4e I\/O \u5ef6\u8fdf\uff0c\u6570\u636e\u5e93\u8bfb\u5199\u5bc6\u96c6\u578b\u9700\u66f4\u5927\u7684 IOPS\u3002<\/li>\n<li><strong>\u7f51\u7edc<\/strong>\uff1a\u5173\u6ce8\u51fa\u53e3\u5e26\u5bbd\u3001\u5cf0\u503c\u7b56\u7565\u4e0e DDoS \u9632\u62a4\u80fd\u529b\uff0c\u9ad8\u5e76\u53d1\u6216\u5927\u6d41\u91cf\u670d\u52a1\u5e94\u9009\u62e9\u6709\u6297\u51fb DDoS \u7b56\u7565\u7684\u673a\u623f\u3002<\/li>\n<li><strong>\u5907\u4efd\u4e0e\u5feb\u7167<\/strong>\uff1a\u9009\u62e9\u652f\u6301\u5feb\u7167\u548c\u81ea\u52a8\u5907\u4efd\u7684\u65b9\u6848\uff0c\u4fbf\u4e8e\u5feb\u901f\u56de\u6eda\u4e0e\u6062\u590d\u3002<\/li>\n<li><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u4f18\u9009\u652f\u6301\u5f39\u6027\u6269\u5bb9\u6216\u7eb5\u5411\u5347\u7ea7\u914d\u7f6e\u7684 VPS 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\u505a\u6df7\u5408\u90e8\u7f72\u4ee5\u5b9e\u73b0\u5168\u7403\u5206\u53d1\u4e0e\u5bb9\u707e\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u8bc4\u4f30\u6216\u8d2d\u4e70\u9002\u5408\u7684\u4e3b\u673a\u8d44\u6e90\uff0c\u53ef\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5\u83b7\u53d6\u66f4\u591a\u4ea7\u54c1\u4fe1\u606f\u4e0e\u89c4\u683c\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener\">\u9999\u6e2fVPS \u4ea7\u54c1\u9875\uff08Server.HK\uff09<\/a>\u3002\u5982\u9700\u4e86\u89e3\u66f4\u591a\u516c\u53f8\u7684\u4ecb\u7ecd\uff0c\u8bf7\u8bbf\u95ee <a href=\"https:\/\/www.server.hk\/\" target=\"_blank\" rel=\"noopener\">Server.HK \u5b98\u7f51<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u5728\u4e9a\u592a\u5730\u533a\u5feb\u901f\u4e0a\u7ebf\u9ad8\u6027\u80fd Rails 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