{"id":209290,"date":"2025-09-30T07:56:48","date_gmt":"2025-09-29T23:56:48","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209290\/"},"modified":"2025-09-30T07:56:49","modified_gmt":"2025-09-29T23:56:49","slug":"vps-236","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209290\/","title":{"rendered":"\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u90e8\u7f72Flutter\/Dart\u5e94\u7528\u670d\u52a1\u5668\uff1a\u4f4e\u5ef6\u8fdf\u5b9e\u6218\u4e00\u6b65\u5230\u4f4d"},"content":{"rendered":"<p>\u5f15\u8a00\uff1a\u5728\u4e9a\u592a\u5730\u533a\uff0c<strong>\u4f4e\u5ef6\u8fdf\u4e0e\u7a33\u5b9a\u6027<\/strong>\u5bf9\u5b9e\u65f6\u5e94\u7528\u3001\u79fb\u52a8\u540e\u7aef\u548c\u5fae\u670d\u52a1\u67b6\u6784\u81f3\u5173\u91cd\u8981\u3002\u5bf9\u4e8e\u5e0c\u671b\u628a\u670d\u52a1\u90e8\u7f72\u9760\u8fd1\u4e2d\u56fd\u5927\u9646\u6216\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u7ad9\u957f\u4e0e\u4f01\u4e1a\uff0c\u9999\u6e2fVPS\u662f\u4e00\u4e2a\u7406\u60f3\u9009\u62e9\u3002\u672c\u6587\u5c06\u4ee5\u6280\u672f\u7ec6\u8282\u4e3a\u4e3b\u7ebf\uff0c\u8bb2\u89e3\u5982\u4f55\u5728\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u90e8\u7f72\u57fa\u4e8eFlutter\/Dart\u7684\u5e94\u7528\u670d\u52a1\u5668\uff0c\u5305\u542b\u90e8\u7f72\u539f\u7406\u3001\u5177\u4f53\u64cd\u4f5c\u8981\u70b9\u3001\u4e0d\u540c\u533a\u57df\u670d\u52a1\u5668\uff08\u5982\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u7684\u5ef6\u8fdf\u4e0e\u6210\u672c\u5bf9\u6bd4\uff0c\u4ee5\u53ca\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u4e00\u6b65\u5230\u4f4d\u5b8c\u6210\u751f\u4ea7\u73af\u5883\u4e0a\u7ebf\u3002<\/p>\n<h2>\u90e8\u7f72\u539f\u7406\u4e0e\u67b6\u6784\u6982\u8ff0<\/h2>\n<p>Flutter 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\u53cd\u5411\u4ee3\u7406\uff08Nginx\uff09\u2192 Dart \u540e\u7aef\uff08systemd \u6216 Docker \u7ba1\u7406\uff09\u2192 \u6570\u636e\u5e93\uff08\u672c\u5730\u6216\u4e91\u6258\u7ba1\uff09\uff0c\u4ee5\u53ca TLS \u8bc1\u4e66\u4e0e\u76d1\u63a7\u3002\u9009\u62e9\u9999\u6e2fVPS\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u9999\u6e2f\u3001\u4e2d\u56fd\u5357\u65b9\u53ca\u4e1c\u5357\u4e9a\u7528\u6237\u7684\u7f51\u7edc\u5ef6\u8fdf\uff0c\u76f8\u6bd4\u5c06\u670d\u52a1\u653e\u5728\u7f8e\u56fd\u670d\u52a1\u5668\u6216\u7f8e\u56fdVPS\uff0c\u8de8\u592a\u5e73\u6d0b\u5ef6\u8fdf\u901a\u5e38\u66f4\u9ad8\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u9009\u62e9\u9999\u6e2fVPS\u4f5c\u4e3a\u90e8\u7f72\u8282\u70b9<\/h3>\n<ul>\n<li><strong>\u4f4e\u7f51\u7edc\u5ef6\u8fdf<\/strong>\uff1a\u9760\u8fd1\u76ee\u6807\u7528\u6237\uff0c\u5c24\u5176\u662f\u9762\u5411\u4e2d\u56fd\u5927\u9646\u548c\u4e1c\u5357\u4e9a\u7528\u6237\u65f6\u8fde\u63a5\u66f4\u5feb\u3002<\/li>\n<li><strong>\u56fd\u9645\u51fa\u53e3\u7a33\u5b9a<\/strong>\uff1a\u591a\u5bb6\u9999\u6e2f\u6570\u636e\u4e2d\u5fc3\u63d0\u4f9b\u4f18\u8d28\u7684\u5e26\u5bbd\u4e0e\u8def\u7531\uff0c\u5229\u4e8e\u7a33\u5b9a\u6027\u3002<\/li>\n<li>\u5408\u89c4\u4e0e\u8bbf\u95ee\uff1a\u5bf9\u4e8e\u9700\u8981\u540c\u65f6\u670d\u52a1\u56fd\u9645\u7528\u6237\u4e0e\u5927\u9646\u7528\u6237\u7684\u5e94\u7528\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u5728\u653f\u7b56\u4e0e\u8bbf\u95ee\u4e0a\u5e38\u66f4\u7075\u6d3b\u3002<\/li>\n<\/ul>\n<h2>\u73af\u5883\u51c6\u5907\uff1a\u7cfb\u7edf\u4e0e\u4f9d\u8d56\u5b89\u88c5\u8981\u70b9<\/h2>\n<p>\u5728 VPS\uff08\u5982 Ubuntu 22.04 LTS\uff09\u4e0a\u90e8\u7f72 Dart \u540e\u7aef\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u66f4\u65b0\u7cfb\u7edf\u5e76\u5b89\u88c5\u5fc5\u5907\u5de5\u5177\uff08apt update\/upgrade\u3001build-essential\u3001curl\u3001git\uff09\u3002<\/li>\n<li>\u5b89\u88c5 Dart SDK\uff1a\u63a8\u8350\u4f7f\u7528\u5b98\u65b9 apt \u6e90\uff0c\u6dfb\u52a0 apt \u4ed3\u5e93\u5e76\u5b89\u88c5 dart \u5305\uff0c\u4ee5\u4fbf\u83b7\u53d6\u7a33\u5b9a\u66f4\u65b0\u3002<\/li>\n<li>\u90e8\u7f72\u53cd\u5411\u4ee3\u7406 Nginx\uff1a\u7528\u4e8e TLS \u7ec8\u7aef\u3001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9759\u6001\u8d44\u6e90\u52a0\u901f\u3002Nginx \u5bf9\u5e76\u53d1\u8fde\u63a5\u5904\u7406\u9ad8\u6548\uff0c\u80fd\u663e\u8457\u63d0\u5347\u8bf7\u6c42\u54cd\u5e94\u8868\u73b0\u3002<\/li>\n<li>\u6570\u636e\u5e93\uff1a\u53ef\u9009\u62e9\u672c\u5730\u90e8\u7f72 PostgreSQL\/MySQL \u6216\u4f7f\u7528\u4e91\u6258\u7ba1\u6570\u636e\u5e93\uff1b\u5bf9\u4e8e\u4f4e\u5ef6\u8fdf\u9700\u6c42\uff0c\u6570\u636e\u5e93\u4e0e\u5e94\u7528\u5c3d\u91cf\u90e8\u7f72\u5728\u540c\u4e00\u533a\u57df\u6216\u5185\u7f51\u3002<\/li>\n<li>\u5b89\u5168\uff1a\u914d\u7f6e\u9632\u706b\u5899\uff08ufw\uff09\uff0c\u4ec5\u5f00\u653e\u5fc5\u8981\u7aef\u53e3\uff0822\u300180\u3001443\u3001\u5e94\u7528\u7aef\u53e3\uff09\uff0c\u5e76\u5f00\u542f fail2ban \u7b49\u5b89\u5168\u5de5\u5177\u3002<\/li>\n<\/ul>\n<h3>Dart \u76f8\u5173\u914d\u7f6e\u7ec6\u8282<\/h3>\n<ul>\n<li>\u5f00\u53d1\u73af\u5883\uff1a\u4f7f\u7528 dart pub get \u5b89\u88c5\u4f9d\u8d56\uff0c\u91c7\u7528 package:shelf \u6216 dart_frog \u7b49\u6846\u67b6\u5feb\u901f\u642d\u5efa API\u3002<\/li>\n<li>\u8fd0\u884c\u6a21\u5f0f\uff1a\u751f\u4ea7\u73af\u5883\u63a8\u8350\u7f16\u8bd1\u4e3a AOT\uff08dart compile exe bin\/server.dart\uff09\u751f\u6210\u72ec\u7acb\u4e8c\u8fdb\u5236\uff0c\u51cf\u5c11\u542f\u52a8\u65f6\u95f4\u4e0e\u5185\u5b58\u5360\u7528\u3002<\/li>\n<li>\u8fdb\u7a0b\u7ba1\u7406\uff1a\u4f7f\u7528 systemd \u6216 supervisord \u7ba1\u7406\u670d\u52a1\uff0c\u7f16\u5199 unit \u6587\u4ef6\u786e\u4fdd\u5f00\u673a\u81ea\u542f\u5e76\u81ea\u52a8\u91cd\u542f\u3002<\/li>\n<li>\u65e5\u5fd7\u4e0e\u76d1\u63a7\uff1a\u5c06 stdout\/stderr \u91cd\u5b9a\u5411\u5230 journald \u6216\u6587\u4ef6\uff0c\u5e76\u7ed3\u5408 Prometheus Node Exporter\/\u81ea\u5b9a\u4e49\u6307\u6807\u76d1\u63a7\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2>\u5feb\u901f\u90e8\u7f72\u5b9e\u6218\u6b65\u9aa4\uff08\u8981\u70b9\u8bf4\u660e\uff09<\/h2>\n<p>\u4e0b\u9762\u7ed9\u51fa\u53ef\u76f4\u63a5\u53c2\u8003\u7684\u9ad8\u5c42\u6b21\u6b65\u9aa4\uff08\u4e0d\u542b\u5177\u4f53\u547d\u4ee4\uff0c\u4fbf\u4e8e\u5728\u591a\u79cd\u53d1\u884c\u7248\u9002\u914d\uff09\uff1a<\/p>\n<ul>\n<li>\u5728\u9999\u6e2fVPS\u4e0a\u521b\u5efa\u666e\u901a\u7528\u6237\u5e76\u914d\u7f6e SSH \u5bc6\u94a5\u767b\u5f55\uff0c\u7981\u7528\u5bc6\u7801\u767b\u5f55\u4ee5\u52a0\u5f3a\u5b89\u5168\u3002<\/li>\n<li>\u5b89\u88c5 Dart SDK \u5e76\u9a8c\u8bc1 dart &#8211;version\uff1b\u628a\u9879\u76ee\u4ee3\u7801\u62c9\u53d6\u5230 \/srv\/yourapp\u3002<\/li>\n<li>\u4f7f\u7528 dart pub get \u5b89\u88c5\u4f9d\u8d56\uff0c\u8fdb\u884c AOT \u7f16\u8bd1\uff1adart compile exe bin\/main.dart -o \/usr\/local\/bin\/yourapp\u3002<\/li>\n<li>\u521b\u5efa systemd unit\uff08\u4f8b\u5982 \/etc\/systemd\/system\/yourapp.service\uff09\uff0c\u8bbe\u7f6e Restart=on-failure\u3001User=youruser\u3001Environment=PORT=8080 \u7b49\u3002<\/li>\n<li>\u5b89\u88c5 Nginx \u5e76\u914d\u7f6e\u53cd\u5411\u4ee3\u7406\uff1a\u5c06 \/ (\u9759\u6001) \u4e0e \/api \u8def\u5f84\u4ee3\u7406\u5230\u672c\u5730 127.0.0.1:8080\uff0c\u5f00\u542f gzip\u3001\u5408\u7406\u8bbe\u7f6e keepalive_timeout \u4e0e worker_connections\u3002<\/li>\n<li>\u7533\u8bf7 TLS \u8bc1\u4e66\uff1a\u4f7f\u7528 Certbot \u81ea\u52a8\u5316\u83b7\u53d6 Let&#8217;s Encrypt \u8bc1\u4e66\uff0c\u8bbe\u7f6e auto-renew\u3002<\/li>\n<li>\u6027\u80fd\u8c03\u4f18\uff1a\u5728 Nginx \u5c42\u4f7f\u7528\u7f13\u5b58\u7b56\u7565\u3001\u5728 Dart \u5c42\u542f\u7528\u8fde\u63a5\u6c60\uff08\u6570\u636e\u5e93\uff09\u4e0e\u5f02\u6b65 I\/O\uff0c\u5fc5\u8981\u65f6\u4f7f\u7528 clustering \u6216\u5bb9\u5668\u7f16\u6392\u505a\u6c34\u5e73\u6269\u5c55\u3002<\/li>\n<\/ul>\n<h3>CI\/CD \u4e0e\u81ea\u52a8\u5316\u90e8\u7f72\u5efa\u8bae<\/h3>\n<ul>\n<li>\u4f7f\u7528 GitHub Actions \u6216 GitLab CI \u5728\u63a8\u9001\u65f6\u8fdb\u884c\u6d4b\u8bd5\u3001\u6784\u5efa AOT \u4e8c\u8fdb\u5236\u5e76\u751f\u6210\u53ef\u90e8\u7f72\u7684 Release \u5305\u3002<\/li>\n<li>\u7ed3\u5408 rsync \u6216 scp \u5c06\u6784\u5efa\u4ea7\u7269\u4f20\u5230\u9999\u6e2fVPS\uff0c\u6216\u4f7f\u7528 Docker \u955c\u50cf\u6258\u7ba1\u5e76\u5728 VPS \u4e0a\u62c9\u53d6\u66f4\u65b0\u3002<\/li>\n<li>\u90e8\u7f72\u6d41\u7a0b\uff1a\u5148\u5728\u6d4b\u8bd5\u73af\u5883\u9a8c\u8bc1\uff0c\u518d\u901a\u8fc7 systemd reload + restart \u539f\u5b50\u5207\u6362\u3002\u53ef\u4ee5\u5f15\u5165\u96f6\u505c\u673a\u90e8\u7f72\u7b56\u7565\uff0c\u4f8b\u5982\u4f7f\u7528\u4e24\u4e2a\u540e\u7aef\u5b9e\u4f8b + Nginx upstream 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