{"id":208880,"date":"2025-09-29T23:47:46","date_gmt":"2025-09-29T15:47:46","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208880\/"},"modified":"2025-09-29T23:47:46","modified_gmt":"2025-09-29T15:47:46","slug":"vps-discourse-2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208880\/","title":{"rendered":"\u9999\u6e2fVPS \u5feb\u901f\u90e8\u7f72 Discourse\uff1a\u9ad8\u6027\u80fd\u793e\u533a\u8bba\u575b\u5b9e\u6218\u6307\u5357"},"content":{"rendered":"<p>\u5728\u6784\u5efa\u9ad8\u6027\u80fd\u793e\u533a\u8bba\u575b\u65f6\uff0cDiscourse \u56e0\u5176\u73b0\u4ee3\u5316\u7684\u4ea4\u4e92\u4f53\u9a8c\u3001\u63d2\u4ef6\u751f\u6001\u548c\u53ef\u6269\u5c55\u6027\u6210\u4e3a\u7ad9\u957f\u4e0e\u4f01\u4e1a\u7528\u6237\u7684\u9996\u9009\u3002\u9009\u62e9\u5408\u9002\u7684\u9999\u6e2fVPS \u90e8\u7f72 Discourse\uff0c\u4e0d\u4ec5\u80fd\u4e3a\u5927\u4e2d\u534e\u533a\u7528\u6237\u63d0\u4f9b\u66f4\u4f4e\u7684\u5ef6\u8fdf\u548c\u66f4\u7a33\u5b9a\u7684\u8bbf\u95ee\u4f53\u9a8c\uff0c\u8fd8\u80fd\u7ed3\u5408\u53ef\u9760\u7684\u7f51\u7edc\u5e26\u5bbd\u4e0e\u786c\u76d8 I\/O \u63d0\u5347\u5e76\u53d1\u6027\u80fd\u3002\u672c\u6587\u5c06\u4ece\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u3001\u5b9e\u6218\u90e8\u7f72\u6b65\u9aa4\u3001\u6027\u80fd\u4f18\u5316\u4e0e\u8fd0\u7ef4\u5efa\u8bae\u7b49\u89d2\u5ea6\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5982\u4f55\u5728\u9999\u6e2fVPS \u4e0a\u5feb\u901f\u3001\u7a33\u5065\u5730\u90e8\u7f72 Discourse\uff0c\u5e76\u5728\u6587\u672b\u7ed9\u51fa\u9009\u8d2d\u9999\u6e2fVPS \u7684\u53c2\u8003\u5efa\u8bae\u3002<\/p>\n<h2>Discourse \u90e8\u7f72\u7684\u57fa\u672c\u539f\u7406\u4e0e\u7ec4\u4ef6\u67b6\u6784<\/h2>\n<p>\u7406\u89e3 Discourse \u7684\u67b6\u6784\u6709\u52a9\u4e8e\u5408\u7406\u914d\u7f6e VPS \u8d44\u6e90\u4e0e\u7f51\u7edc\u3002Discourse \u7684\u6838\u5fc3\u7531\u4ee5\u4e0b\u7ec4\u4ef6\u6784\u6210\uff1a<\/p>\n<ul>\n<li><strong>Web \u5e94\u7528\uff08Rails + Ember\uff09<\/strong>\uff1a\u4e3b\u8981\u5904\u7406\u9875\u9762\u6e32\u67d3\u3001REST API \u4e0e\u7528\u6237\u4ea4\u4e92\u3002<\/li>\n<li><strong>PostgreSQL<\/strong>\uff1a\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u5b58\u50a8\u5e16\u5b50\u3001\u7528\u6237\u3001\u6743\u9650\u7b49\u7ed3\u6784\u5316\u6570\u636e\u3002<\/li>\n<li><strong>Redis<\/strong>\uff1a\u7528\u4e8e\u7f13\u5b58\u3001\u961f\u5217\u548c\u5b9e\u65f6\u901a\u77e5\u3002<\/li>\n<li><strong>Sidekiq<\/strong>\uff1a\u540e\u53f0\u4efb\u52a1\u5904\u7406\u6846\u67b6\uff0c\u7528\u4e8e\u90ae\u4ef6\u53d1\u9001\u3001\u901a\u77e5\u63a8\u9001\u3001\u5b9a\u65f6\u4efb\u52a1\u7b49\u3002<\/li>\n<li><strong>\u53cd\u5411\u4ee3\u7406\/SSL\uff08\u901a\u5e38\u7531 nginx \u6216 Docker \u5185\u7f6e\u914d\u7f6e\u5904\u7406\uff09<\/strong>\uff1a\u5904\u7406 HTTPS\u3001\u9759\u6001\u8d44\u6e90\u4e0e\u8d1f\u8f7d\u8f6c\u53d1\u3002<\/li>\n<\/ul>\n<p>\u9ed8\u8ba4\u63a8\u8350\u7684\u90e8\u7f72\u65b9\u5f0f\u662f\u57fa\u4e8e Docker \u7684\u5b98\u65b9\u5b89\u88c5\u811a\u672c\uff08discourse_docker\uff09\uff0c\u5b83\u628a\u4e0a\u8ff0\u7ec4\u4ef6\u4ee5\u5bb9\u5668\u5316\u65b9\u5f0f\u7ba1\u7406\uff0c\u4fbf\u4e8e\u5347\u7ea7\u4e0e\u56de\u6eda\uff0c\u540c\u65f6\u51cf\u5c11\u4f9d\u8d56\u51b2\u7a81\u3002<\/p>\n<h2>\u5e94\u7528\u573a\u666f\uff1a\u4f55\u65f6\u9009\u62e9\u9999\u6e2fVPS \u90e8\u7f72 Discourse<\/h2>\n<ul>\n<li>\u76ee\u6807\u7528\u6237\u4ee5\u9999\u6e2f\u3001\u5185\u5730\u3001\u4e1c\u5357\u4e9a\u4e3a\u4e3b\uff1a<strong>\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u53ef\u663e\u8457\u964d\u4f4e\u7f51\u7edc\u5ef6\u8fdf<\/strong>\uff0c\u63d0\u5347\u9875\u9762\u54cd\u5e94\u4e0e\u5b9e\u65f6\u901a\u77e5\u4f53\u9a8c\u3002<\/li>\n<li>\u9700\u8981\u5408\u89c4\u6216\u672c\u5730\u5316\u670d\u52a1\uff1a\u90e8\u5206\u4f01\u4e1a\u9700\u7559\u5b58\u6570\u636e\u5728\u9999\u6e2f\u6216\u66f4\u8d34\u8fd1\u76ee\u6807\u5e02\u573a\u7684\u8282\u70b9\u3002<\/li>\n<li>\u5bf9\u5e76\u53d1\u6570\u9002\u4e2d\uff08\u51e0\u767e\u5230\u51e0\u5343\u65e5\u6d3b\uff09\u7684\u793e\u533a\uff1a\u5355\u53f0 VPS \u5373\u53ef\u627f\u8f7d\uff0c\u6210\u672c\u4f18\u96c5\u3002<\/li>\n<li>\u9700\u8981\u4f4e\u6210\u672c\u8bd5\u8fd0\u884c\u6216\u5feb\u901f\u8fed\u4ee3\uff1a\u9999\u6e2fVPS \u901a\u5e38\u6bd4\u7f8e\u56fd\u670d\u52a1\u5668\u79df\u7528\u5ef6\u8fdf\u66f4\u4f4e\u3001\u7f51\u7edc\u8def\u5f84\u66f4\u7a33\u5b9a\u3002<\/li>\n<\/ul>\n<h2>\u90e8\u7f72\u524d\u7684\u51c6\u5907\uff08\u7f51\u7edc\u4e0e VPS \u89c4\u683c\u5efa\u8bae\uff09<\/h2>\n<p>Discourse \u5b98\u65b9\u5efa\u8bae\u6700\u4f4e\u914d\u7f6e\u662f 1GB RAM\uff08\u975e\u751f\u4ea7\u73af\u5883\uff09\uff0c\u800c\u751f\u4ea7\u73af\u5883\u5e94\u81f3\u5c11\u914d\u7f6e <strong>2GB \u5230 4GB RAM<\/strong>\uff0c\u5e76\u914d\u5408 SSD\/NVMe \u78c1\u76d8\u4ee5\u63d0\u5347 I\/O \u6027\u80fd\u3002\u5efa\u8bae\u53c2\u8003\uff1a<\/p>\n<ul>\n<li>\u5185\u5b58\uff1a\u751f\u4ea7\u73af\u5883\u5efa\u8bae <strong>4GB+<\/strong>\uff0c\u5e76\u6839\u636e\u793e\u533a\u89c4\u6a21\u7ebf\u6027\u589e\u957f\uff08\u6d3b\u8dc3\u7528\u6237\u8d8a\u591a\uff0cSidekiq \u4efb\u52a1\u8d8a\u591a\uff0c\u5185\u5b58\u9700\u6c42\u8d8a\u9ad8\uff09\u3002<\/li>\n<li>CPU\uff1a\u81f3\u5c11 2 vCPU\uff0c\u793e\u533a\u589e\u957f\u540e\u6269\u5c55\u81f3 4 vCPU \u6216\u66f4\u591a\u3002<\/li>\n<li>\u78c1\u76d8\uff1a\u4f18\u5148 NVMe\/SSD\uff0c\u6839\u5206\u533a\u4e0e \/var\/discourse \u6301\u4e45\u5316\u76ee\u5f55\u81f3\u5c11 40\u201380GB\uff0c\u4ee5\u652f\u6301\u9644\u4ef6\u4e0e\u5907\u4efd\u3002<\/li>\n<li>\u5e26\u5bbd\u4e0e\u6d41\u91cf\uff1a\u9009\u62e9\u5e26\u5bbd\u7a33\u5b9a\u4e14\u65e0\u7a81\u53d1\u5c01\u9501\u7684\u9999\u6e2f VPS\u3002\u82e5\u5e0c\u671b\u9762\u5411\u5317\u7f8e\u7528\u6237\uff0c\u4e5f\u53ef\u8003\u8651\u6df7\u5408\u90e8\u7f72\uff08\u9999\u6e2f + \u7f8e\u56fdVPS \u6216 \u7f8e\u56fd\u670d\u52a1\u5668\uff09\u3002<\/li>\n<li>\u7aef\u53e3\u4e0e\u90ae\u4ef6\uff1a\u786e\u4fdd 80\/443 \u7aef\u53e3\u5f00\u653e\uff1b\u6ce8\u610f\u90e8\u5206 VPS \u5382\u5546\u9650\u5236 25 \u7aef\u53e3\u51fa\u7ad9\uff0c\u5efa\u8bae\u914d\u7f6e SMTP Relay\uff08\u5982 SendGrid\u3001Mailgun\u3001Aliyun SMTP \u7b49\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\uff1a\u5728\u9999\u6e2fVPS \u5feb\u901f\u90e8\u7f72 Discourse\uff08\u6b65\u9aa4\u8be6\u89e3\uff09<\/h2>\n<h3>1. \u7cfb\u7edf\u51c6\u5907\u4e0e\u4f9d\u8d56\u5b89\u88c5<\/h3>\n<ul>\n<li>\u4f7f\u7528 Ubuntu 20.04\/22.04\uff08\u6216 Debian 11\uff09\u4f5c\u4e3a\u57fa\u7840\u955c\u50cf\u3002<\/li>\n<li>\u786e\u4fdd\u7cfb\u7edf\u65f6\u95f4\u540c\u6b65\uff08\u91cd\u8981\u4e8e\u8bc1\u4e66\u4e0e\u90ae\u4ef6\uff09\uff1a<\/li>\n<\/ul>\n<p>&lt;\u6267\u884c\u793a\u4f8b&gt;<\/p>\n<p>apt update &amp;&amp; apt upgrade -y<br \/>\napt install -y git curl apt-transport-https ca-certificates<\/p>\n<h3>2. \u521b\u5efa\u4ea4\u6362\u5206\u533a\uff08Swap\uff09<\/h3>\n<p>\u82e5\u5185\u5b58\u8f83\u5c0f\uff08\u5982 2GB\uff09\uff0c\u5efa\u8bae\u521b\u5efa swap \u4ee5\u907f\u514d\u6784\u5efa\u6216\u5347\u7ea7\u65f6\u56e0\u5185\u5b58\u4e0d\u8db3\u5bfc\u81f4\u5931\u8d25\uff1a<\/p>\n<p>fallocate -l 2G \/swapfile<br \/>\nchmod 600 \/swapfile<br \/>\nmkswap \/swapfile<br \/>\nswapon \/swapfile<br \/>\necho &#8216;\/swapfile none swap sw 0 0&#8217; &gt;&gt; \/etc\/fstab<\/p>\n<h3>3. \u514b\u9686\u5b98\u65b9 Docker \u5b89\u88c5\u811a\u672c\u5e76\u8fd0\u884c\u914d\u7f6e\u5411\u5bfc<\/h3>\n<p>\u5b98\u65b9\u5b89\u88c5\u6d41\u7a0b\uff1a<\/p>\n<p>git clone https:\/\/github.com\/discourse\/discourse_docker.git \/var\/discourse<br \/>\ncd \/var\/discourse<br \/>\ncp samples\/standalone.yml \/var\/discourse\/containers\/app.yml<br \/>\n.\/discourse-setup<\/p>\n<p>discourse-setup \u4f1a\u4ea4\u4e92\u5f0f\u8981\u6c42\u8f93\u5165\uff1a<\/p>\n<ul>\n<li>\u57df\u540d\uff08\u5fc5\u987b\u5728 DNS \u4e2d\u521b\u5efa A \u8bb0\u5f55\u6307\u5411\u9999\u6e2f VPS \u516c\u7f51 IP\uff09<\/li>\n<li>\u7535\u5b50\u90ae\u4ef6\uff08Let&#8217;s Encrypt \u9700\u8981\u6709\u6548\u90ae\u7bb1\uff09<\/li>\n<li>SMTP \u4e3b\u673a\u4e0e\u8ba4\u8bc1\u4fe1\u606f\uff08\u5f3a\u70c8\u63a8\u8350\u4f7f\u7528\u5916\u90e8 SMTP Relay\uff09<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong>\u82e5\u4f7f\u7528 Cloudflare \u6216\u5176\u4ed6 DNS \u4ee3\u7406\uff0c\u8bf7\u5148\u5728\u5b89\u88c5 SSL \u65f6\u5c06\u57df\u540d\u6307\u5411\u771f\u5b9e IP \u6216\u5173\u95ed\u4ee3\u7406\uff08\u907f\u514d Let\u2019s Encrypt \u9a8c\u8bc1\u5931\u8d25\uff09\u3002<\/p>\n<h3>4. DNS \u4e0e SSL<\/h3>\n<ul>\n<li>\u5728 DNS \u63d0\u4f9b\u5546\u5904\u6dfb\u52a0 A \u8bb0\u5f55\uff1aexample.com \u2192 \u9999\u6e2f VPS IP\u3002<\/li>\n<li>\u901a\u8fc7 discourse-setup \u6216 acme \u811a\u672c\u7533\u8bf7 Let\u2019s Encrypt \u8bc1\u4e66\u3002\u8bc1\u4e66\u81ea\u52a8\u914d\u7f6e\u5230 nginx\uff08\u6216 Docker \u5185\u7684\u53cd\u5411\u4ee3\u7406\uff09\u3002<\/li>\n<\/ul>\n<h3>5. \u9632\u706b\u5899\u4e0e\u5b89\u5168<\/h3>\n<ul>\n<li>\u4f7f\u7528 UFW \u5141\u8bb8 22\u300180\u3001443 \u7aef\u53e3\uff1aufw allow 22\/tcp; ufw allow 80,443\/tcp; ufw enable\u3002<\/li>\n<li>\u5b89\u88c5 fail2ban \u5e76\u9488\u5bf9 ssh\/nginx \u8bbe\u7f6e\u57fa\u672c\u89c4\u5219\u3002<\/li>\n<li>\u4f7f\u7528\u975e root \u7ba1\u7406\u5e10\u53f7\uff0c\u5e76\u542f\u7528 SSH Key \u767b\u5f55\u3002<\/li>\n<\/ul>\n<h3>6. \u542f\u52a8\u4e0e\u9a8c\u8bc1<\/h3>\n<p>\u8fd0\u884c .\/launcher rebuild app\uff08\u7b2c\u4e00\u6b21\u4f1a\u62c9\u53d6\u955c\u50cf\u5e76\u6784\u5efa\uff09\u3002\u5b8c\u6210\u540e\uff0c\u8bbf\u95ee https:\/\/your-domain \u68c0\u67e5\u9875\u9762\u662f\u5426\u6b63\u5e38\u52a0\u8f7d\uff0c\u5e76\u901a\u8fc7\u6ce8\u518c\/\u53d1\u5e16\u6d4b\u8bd5\u90ae\u4ef6\u529f\u80fd\u4e0e\u9644\u4ef6\u4e0a\u4f20\u3002<\/p>\n<h2>\u6027\u80fd\u4f18\u5316\u4e0e\u76d1\u63a7\u5efa\u8bae<\/h2>\n<h3>\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u4f18\u5316<\/h3>\n<ul>\n<li>Redis\uff1a\u786e\u4fdd Redis \u5728\u5185\u5b58\u5145\u8db3\u7684\u524d\u63d0\u4e0b\u8fd0\u884c\uff0c\u907f\u514d swap \u5bfc\u81f4\u5ef6\u8fdf\u3002\u4e3a Redis \u4fdd\u7559\u72ec\u7acb\u5185\u5b58\u4e0a\u9650\u3002<\/li>\n<li>PostgreSQL\uff1a\u9488\u5bf9 I\/O \u5bc6\u96c6\u578b\u5199\u5165\u573a\u666f\uff0c\u53ef\u4ee5\u8c03\u6574 shared_buffers\uff08\u5efa\u8bae 25% \u5185\u5b58\uff09\u3001work_mem\u3001maintenance_work_mem\uff1b\u540c\u65f6\u4f7f\u7528\u5feb\u901f\u78c1\u76d8\uff08NVMe\uff09\u663e\u8457\u63d0\u5347\u5199\u5165\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528 CDN\uff08\u5982 Cloudflare\uff09\u7f13\u5b58\u9759\u6001\u8d44\u6e90\u3001\u56fe\u7247\u4e0e assets\uff0c\u964d\u4f4e VPS \u5e26\u5bbd\u4e0e I\/O \u538b\u529b\u3002<\/li>\n<\/ul>\n<h3>Sidekiq \u4e0e\u5e76\u53d1<\/h3>\n<ul>\n<li>Sidekiq \u5e76\u53d1\u7ebf\u7a0b\u6570\u4f9d\u8d56\u5185\u5b58\uff0c\u76d1\u63a7\u961f\u5217\u957f\u5ea6\uff08redis-cli \u6216 Discourse \u7ba1\u7406\u9762\u677f\uff09\uff0c\u5fc5\u8981\u65f6\u901a\u8fc7 environment \u4e2d\u7684 capacity \u914d\u7f6e\u8c03\u6574\u3002<\/li>\n<li>\u5927\u578b\u793e\u533a\u53ef\u8003\u8651\u5c06 Redis\/Postgres \u5916\u7f6e\u4e3a\u6258\u7ba1\u670d\u52a1\uff0c\u4ee5\u51cf\u8f7b\u5355\u8282\u70b9\u8d1f\u8f7d\u5e76\u6613\u4e8e\u6c34\u5e73\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h3>\u65e5\u5fd7\u4e0e\u76d1\u63a7<\/h3>\n<ul>\n<li>\u4f7f\u7528 Prometheus + Grafana \u6216 New Relic\u3001Datadog \u76d1\u63a7 CPU\u3001\u5185\u5b58\u3001I\/O\u3001\u961f\u5217\u957f\u5ea6\u4e0e 95\/99 \u767e\u5206\u4f4d\u54cd\u5e94\u65f6\u95f4\u3002<\/li>\n<li>\u5b9a\u671f\u5907\u4efd PostgreSQL \u4e0e\u9644\u4ef6\uff08\/var\/discourse\/shared\/standalone\/uploads\uff09\uff0c\u5e76\u5c06\u5907\u4efd\u4e0a\u8f7d\u81f3\u5bf9\u8c61\u5b58\u50a8\uff08S3 \u6216\u517c\u5bb9\u670d\u52a1\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5b89\u5168\u3001\u5907\u4efd\u4e0e\u5347\u7ea7\u7b56\u7565<\/h2>\n<ul>\n<li>\u5347\u7ea7\u6d41\u7a0b\uff1a\u4f7f\u7528\u5b98\u65b9\u955c\u50cf\u5347\u7ea7\uff08git pull \u66f4\u65b0 discourse_docker\uff0c\u7136\u540e .\/launcher rebuild 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