{"id":208688,"date":"2025-09-29T20:35:24","date_gmt":"2025-09-29T12:35:24","guid":{"rendered":"https:\/\/www.server.hk\/blog\/208688\/"},"modified":"2025-09-29T20:35:25","modified_gmt":"2025-09-29T12:35:25","slug":"vps-java","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208688\/","title":{"rendered":"\u9999\u6e2fVPS\u5b9e\u6218\uff1a\u5feb\u901f\u642d\u5efaJava\u73af\u5883\u5e76\u90e8\u7f72Spring Boot\u5e94\u7528"},"content":{"rendered":"<p>\u5728\u56fd\u5185\u5916\u90e8\u7f72 Java \u5e94\u7528\u65f6\uff0c\u9009\u62e9\u5408\u9002\u7684\u865a\u62df\u79c1\u6709\u670d\u52a1\u5668\uff08VPS\uff09\u548c\u5feb\u901f\u642d\u5efa\u73af\u5883\u662f\u63d0\u5347\u7a33\u5b9a\u6027\u4e0e\u54cd\u5e94\u901f\u5ea6\u7684\u5173\u952e\u3002\u672c\u6587\u4ee5\u9999\u6e2fVPS\u4e3a\u4f8b\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5728\u4e00\u53f0\u5e72\u51c0\u7684\u670d\u52a1\u5668\u4e0a\u5982\u4f55\u5feb\u901f\u642d\u5efa Java \u8fd0\u884c\u73af\u5883\u5e76\u90e8\u7f72 Spring Boot \u5e94\u7528\uff0c\u540c\u65f6\u5bf9\u6bd4\u7f8e\u56fdVPS\u3001\u9999\u6e2f\u670d\u52a1\u5668\u4e0e\u7f8e\u56fd\u670d\u52a1\u5668\u5728\u5ef6\u8fdf\u3001\u5e26\u5bbd\u548c\u5408\u89c4\u6027\u65b9\u9762\u7684\u5dee\u5f02\uff0c\u5e76\u7ed9\u51fa\u9009\u8d2d\u5efa\u8bae\uff0c\u5e2e\u52a9\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u548c\u5f00\u53d1\u8005\u505a\u51fa\u66f4\u52a0\u5408\u7406\u7684\u91c7\u8d2d\u4e0e\u90e8\u7f72\u51b3\u7b56\u3002<\/p>\n<h2>\u73af\u5883\u4e0e\u539f\u7406\u6982\u8ff0<\/h2>\n<p>\u6784\u5efa Java + Spring Boot \u5e94\u7528\u7684\u57fa\u672c\u6d41\u7a0b\u5305\u62ec\uff1a\u64cd\u4f5c\u7cfb\u7edf\u51c6\u5907 \u2192 \u5b89\u88c5 JDK \u2192 \u914d\u7f6e\u7528\u6237\u4e0e\u5b89\u5168\u7b56\u7565 \u2192 \u90e8\u7f72\u5e94\u7528\u5305\uff08JAR\/WAR\uff09\u2192 \u8fdb\u7a0b\u7ba1\u7406\u4e0e\u65e5\u5fd7\u7ba1\u7406 \u2192 \u53cd\u5411\u4ee3\u7406\u4e0e HTTPS \u914d\u7f6e\u3002\u4ee5\u9999\u6e2fVPS \u4e3a\u90e8\u7f72\u4f4d\u7f6e\uff0c\u53ef\u517c\u987e\u9762\u5411\u4e2d\u56fd\u5927\u9646\u4e0e\u4e9a\u592a\u7528\u6237\u7684\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u9700\u6c42\u3002<\/p>\n<h3>\u64cd\u4f5c\u7cfb\u7edf\u4e0e\u57fa\u672c\u7f51\u7edc\u539f\u7406<\/h3>\n<p>\u5e38\u89c1\u7684 VPS \u64cd\u4f5c\u7cfb\u7edf\u6709 Ubuntu\u3001Debian\u3001CentOS \u7b49\u3002Spring Boot \u672c\u8eab\u6253\u5305\u4e3a\u53ef\u6267\u884c JAR\uff08\u5185\u5d4c Tomcat\/Jetty\/Undertow\uff09\u540e\uff0c\u53ef\u76f4\u63a5\u901a\u8fc7 java -jar \u542f\u52a8\u3002\u7f51\u7edc\u65b9\u9762\uff0c\u9999\u6e2f\u670d\u52a1\u5668\u901a\u5e38\u6709\u826f\u597d\u7684\u56fd\u9645\u51fa\u53e3\u94fe\u8def\uff0c\u9002\u5408\u9700\u8981\u6d77\u5916\u8bbf\u95ee\u6216\u8de8\u5883\u540c\u6b65\u7684\u5e94\u7528\uff1b\u4e0e\u4e4b\u76f8\u6bd4\uff0c\u7f8e\u56fd\u670d\u52a1\u5668\uff08US server\uff09\u5728\u4e0e\u5317\u7f8e\u7528\u6237\u7684\u7f51\u7edc\u8868\u73b0\u4e0a\u66f4\u4f18\uff0c\u4f46\u5230\u4e9a\u6d32\u7684\u5ef6\u8fdf\u901a\u5e38\u9ad8\u4e8e\u9999\u6e2f\u8282\u70b9\u3002<\/p>\n<h3>Java \u8fd0\u884c\u65f6\u4e0e\u5185\u5b58\u7ba1\u7406\u539f\u7406<\/h3>\n<p>\u9009\u62e9\u5408\u9002\u7684 JDK \u7248\u672c\uff08\u5982 OpenJDK 11\/17\uff09\u4e0e JVM \u53c2\u6570\u5bf9\u6027\u80fd\u5f71\u54cd\u663e\u8457\u3002\u5e38\u7528\u7684 JVM \u53c2\u6570\u4f8b\u5982 -Xms\u3001-Xmx\u3001-XX:MetaspaceSize \u7b49\u5e94\u6839\u636e VPS \u5185\u5b58\u89c4\u6a21\u8c03\u6574\u3002\u5bf9\u4e8e\u5bb9\u5668\u5316\u6216\u591a\u8fdb\u7a0b\u90e8\u7f72\u73af\u5883\uff0c\u8fd8\u9700\u5173\u6ce8 GC \u7b56\u7565\uff08G1\u3001ZGC \u7b49\uff09\uff0c\u4ee5\u53ca\u9488\u5bf9\u77ed\u8fde\u63a5\u9ad8\u5e76\u53d1\u573a\u666f\u4f18\u5316\u7ebf\u7a0b\u6c60\u3001\u8fde\u63a5\u6c60\u53c2\u6570\u3002<\/p>\n<h2>\u5b9e\u6218\uff1a\u5728\u9999\u6e2fVPS\u4e0a\u5feb\u901f\u642d\u5efa Java \u73af\u5883\u5e76\u90e8\u7f72 Spring Boot<\/h2>\n<p>\u4e0b\u9762\u4ee5 Ubuntu 20.04 \u4e3a\u4f8b\uff0c\u7ed9\u51fa\u4e00\u5957\u4ece\u96f6\u5f00\u59cb\u7684\u4e2d\u5c0f\u578b\u670d\u52a1\u90e8\u7f72\u6b65\u9aa4\uff0c\u517c\u987e\u751f\u4ea7\u53ef\u7528\u6027\u4e0e\u7b80\u6d01\u6027\u3002<\/p>\n<h3>1. \u7cfb\u7edf\u51c6\u5907\u4e0e\u5b89\u5168<\/h3>\n<ul>\n<li>\u521b\u5efa VPS \u5b9e\u4f8b\u5e76\u8bbe\u7f6e SSH \u5bc6\u94a5\u767b\u5f55\uff0c\u907f\u514d\u4f7f\u7528\u5bc6\u7801\u767b\u5f55\u63d0\u9ad8\u5b89\u5168\u6027\u3002<\/li>\n<li>\u66f4\u65b0\u7cfb\u7edf\u5e76\u5b89\u88c5\u5fc5\u8981\u5de5\u5177\uff1aapt update &amp;&amp; apt upgrade -y\uff1b\u5b89\u88c5 unzip\u3001curl\u3001git \u7b49\u5de5\u5177\u3002<\/li>\n<li>\u914d\u7f6e\u57fa\u672c\u9632\u706b\u5899\uff08ufw\uff09\u4ec5\u5f00\u653e\u5fc5\u8981\u7aef\u53e3\uff1a22\uff08SSH\uff09\u300180\u3001443\u3001\u4ee5\u53ca\u5e94\u7528\u7aef\u53e3\uff08\u5982 8080\uff09\u3002<\/li>\n<\/ul>\n<h3>2. \u5b89\u88c5 JDK<\/h3>\n<ul>\n<li>\u63a8\u8350\u4f7f\u7528 OpenJDK\uff1aapt install openjdk-17-jdk -y\u3002<\/li>\n<li>\u9a8c\u8bc1\u5b89\u88c5\uff1ajava -version\uff0c\u786e\u4fdd PATH \u6b63\u786e\u3002<\/li>\n<li>\u4e3a\u4e0d\u540c\u73af\u5883\u4fdd\u7559 JDK \u7248\u672c\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4f7f\u7528 sdkman \u6216\u624b\u52a8\u5207\u6362\u3002<\/li>\n<\/ul>\n<h3>3. \u90e8\u7f72 Spring Boot \u5e94\u7528<\/h3>\n<ul>\n<li>\u5c06\u53ef\u6267\u884c JAR \u4e0a\u4f20\u5230\u670d\u52a1\u5668\uff08scp \u6216 git + CI\/CD\uff09\u3002<\/li>\n<li>\u521b\u5efa\u7cfb\u7edf\u7528\u6237\u8fd0\u884c\u5e94\u7528\uff08\u4f8b\u5982 springuser\uff09\uff0c\u907f\u514d\u4f7f\u7528 root \u8fd0\u884c\u3002<\/li>\n<li>\u4f7f\u7528 systemd \u7ba1\u7406\uff1a\u521b\u5efa \/etc\/systemd\/system\/myapp.service\uff0c\u8bbe\u7f6e Restart\u3001Environment\u3001WorkingDirectory \u7b49\uff0c\u4fdd\u8bc1\u670d\u52a1\u5f00\u673a\u81ea\u542f\u4e0e\u5d29\u6e83\u81ea\u52a8\u91cd\u542f\u3002<\/li>\n<li>\u793a\u4f8b systemd \u914d\u7f6e\u4e2d\u5305\u542b\uff1aExecStart=\/usr\/bin\/java -Xms512m -Xmx1024m -jar \/opt\/myapp\/myapp.jar<\/li>\n<\/ul>\n<h3>4. \u53cd\u5411\u4ee3\u7406\u4e0e HTTPS<\/h3>\n<ul>\n<li>\u4f7f\u7528 Nginx \u505a\u53cd\u5411\u4ee3\u7406\uff0c\u8f6c\u53d1 80\/443 \u5230\u672c\u5730 8080\uff0c\u4fbf\u4e8e\u5904\u7406\u9759\u6001\u8d44\u6e90\u4e0e TLS \u7ec8\u7aef\u3002<\/li>\n<li>\u4f7f\u7528 certbot \u83b7\u53d6 Let&#8217;s Encrypt \u8bc1\u4e66\uff0c\u81ea\u52a8\u7eed\u7b7e\uff0c\u786e\u4fdd\u8bc1\u4e66\u5230\u671f\u4e0d\u4f1a\u5bfc\u81f4\u4e2d\u65ad\u3002<\/li>\n<li>\u914d\u7f6e HSTS\u3001OCSP Stapling \u7b49\u63d0\u9ad8\u5b89\u5168\u6027\u4e0e\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3>5. \u65e5\u5fd7\u4e0e\u76d1\u63a7<\/h3>\n<ul>\n<li>\u5c06\u65e5\u5fd7\u8f93\u51fa\u5230\u6587\u4ef6\u6216\u4f7f\u7528 JSON \u683c\u5f0f\uff0c\u4fbf\u4e8e\u96c6\u4e2d\u5316\u5206\u6790\uff08ELK\/EFK\uff09\u3002<\/li>\n<li>\u90e8\u7f72\u8f7b\u91cf\u7ea7\u76d1\u63a7\uff1aPrometheus + Grafana\uff0c\u914d\u5408 Jolokia \u6216 Micrometer \u91c7\u96c6 JVM \u6307\u6807\u3002<\/li>\n<li>\u8bbe\u7f6e\u57fa\u7ebf\u62a5\u8b66\uff08\u54cd\u5e94\u65f6\u95f4\u3001\u9519\u8bef\u7387\u3001\u5185\u5b58\/GC \u6307\u6807\uff09\uff0c\u63d0\u524d\u53d1\u73b0\u95ee\u9898\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f\u4e0e\u67b6\u6784\u5efa\u8bae<\/h2>\n<p>\u6839\u636e\u4e1a\u52a1\u7279\u6027\u9009\u62e9\u90e8\u7f72\u4f4d\u7f6e\u4e0e\u67b6\u6784\u6a21\u5f0f\uff1a<\/p>\n<h3>\u9762\u5411\u4e2d\u56fd\u5927\u9646\u7528\u6237\u7684\u4e2d\u5c0f\u578b\u7ad9\u70b9<\/h3>\n<ul>\n<li>\u9999\u6e2fVPS \u662f\u5e38\u89c1\u9009\u62e9\uff0c<strong>\u5ef6\u8fdf\u4f18\u52bf\u660e\u663e\u4e14\u5907\u6848\u901a\u5e38\u66f4\u7075\u6d3b<\/strong>\u3002\u91c7\u7528\u5355\u5b9e\u4f8b + \u53cd\u5411\u4ee3\u7406\u7684\u65b9\u5f0f\u53ef\u5feb\u901f\u4e0a\u7ebf\u3002<\/li>\n<li>\u82e5\u9700\u66f4\u9ad8\u53ef\u7528\u6027\uff0c\u53ef\u901a\u8fc7\u591a\u8282\u70b9\u4e3b\u4ece\u90e8\u7f72\u6216\u4f7f\u7528\u8d1f\u8f7d\u5747\u8861\uff08\u5982 LVS\/HAProxy\uff09\u3002<\/li>\n<\/ul>\n<h3>\u9762\u5411\u5168\u7403\u6216\u5317\u7f8e\u7528\u6237\u7684\u670d\u52a1<\/h3>\n<ul>\n<li>\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u66f4\u9002\u5408\u5317\u7f8e\u8bbf\u95ee\u573a\u666f\uff0c\u5e26\u5bbd\u4e0e\u5ef6\u8fdf\u5728\u5317\u7f8e\u5730\u533a\u8868\u73b0\u66f4\u4f73\u3002<\/li>\n<li>\u7ed3\u5408 CDN\uff08\u5168\u7403\u52a0\u901f\uff09\u53ef\u517c\u987e\u8de8\u533a\u57df\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h3>\u8de8\u5883\u6570\u636e\u4e0e\u5408\u89c4\u6027\u573a\u666f<\/h3>\n<ul>\n<li>\u82e5\u6d89\u53ca\u5408\u89c4\u3001\u6570\u636e\u4e3b\u6743\uff0c\u9009\u62e9\u9999\u6e2f\u670d\u52a1\u5668\u80fd\u591f\u5728\u56fd\u9645\u8bbf\u95ee\u4e0e\u76d1\u7ba1\u8981\u6c42\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\uff1b\u4f46\u5177\u4f53\u5408\u89c4\u8981\u6c42\u5e94\u4e0e\u6cd5\u5f8b\u987e\u95ee\u786e\u8ba4\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2fVPS vs \u7f8e\u56fdVPS vs \u672c\u5730\u4e0a\u4e91<\/h2>\n<p>\u5728\u9009\u578b\u65f6\u5173\u6ce8\u70b9\u4e3b\u8981\u6709\u7f51\u7edc\u5ef6\u8fdf\u3001\u5e26\u5bbd\u6210\u672c\u3001\u5408\u89c4\u6027\u4e0e\u8fd0\u7ef4\u4fbf\u5229\u6027\u3002<\/p>\n<h3>\u7f51\u7edc\u4e0e\u5ef6\u8fdf<\/h3>\n<p>\u9999\u6e2fVPS \u5bf9\u4e8e\u4e9a\u592a\u4e0e\u4e2d\u56fd\u5927\u9646\u7528\u6237\u901a\u5e38\u63d0\u4f9b\u66f4\u4f4e\u5ef6\u8fdf\uff1b\u7f8e\u56fdVPS \u5728\u5317\u7f8e\u8bbf\u95ee\u4e0a\u5360\u4f18\u3002\u82e5\u76ee\u6807\u7528\u6237\u8986\u76d6\u5e7f\u6cdb\uff0c\u7ed3\u5408 CDN \u4e0e\u591a\u5730\u57df\u90e8\u7f72\u662f\u7406\u60f3\u65b9\u6848\u3002<\/p>\n<h3>\u5e26\u5bbd\u4e0e\u6210\u672c<\/h3>\n<p>\u7f8e\u56fd\u670d\u52a1\u5668\u5728\u5e26\u5bbd\u5cf0\u503c\u548c\u51fa\u53e3\u6d41\u91cf\u4e0a\u6709\u65f6\u66f4\u4fbf\u5b9c\uff0c\u4f46\u8de8\u56fd\u5e26\u5bbd\u6210\u672c\u3001\u4f20\u8f93\u65f6\u5ef6\u548c\u7a33\u5b9a\u6027\u9700\u8981\u7efc\u5408\u8bc4\u4f30\u3002\u9999\u6e2fVPS \u5728\u8fde\u63a5\u5927\u9646\u65f6\u7684\u7a33\u5b9a\u6027\u4e0e\u65f6\u5ef6\u5e38\u4f18\u4e8e\u8de8\u592a\u5e73\u6d0b\u94fe\u8def\u3002<\/p>\n<h3>\u5408\u89c4\u4e0e\u5907\u6848<\/h3>\n<p>\u9762\u5411\u4e2d\u56fd\u5927\u9646\u63d0\u4f9b\u670d\u52a1\u5e38\u6d89\u53ca\u5907\u6848\u95ee\u9898\uff0c\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u7b80\u5316\u5907\u6848\u9700\u6c42\uff0c\u4f46\u82e5\u9700\u8981\u5728\u5927\u9646\u673a\u623f\u90e8\u7f72\u5219\u5fc5\u987b\u8fdb\u884c\u76f8\u5e94\u5907\u6848\u4e0e\u5408\u89c4\u5de5\u4f5c\u3002<\/p>\n<h2>\u9009\u8d2d\u5efa\u8bae\u4e0e\u914d\u7f6e\u53c2\u8003<\/h2>\n<p>\u9009\u8d2d VPS \u65f6\uff0c\u5e94\u6839\u636e\u5e94\u7528\u5e76\u53d1\u91cf\u3001\u5185\u5b58\u4e0e I\/O \u9700\u6c42\u505a\u51fa\u914d\u7f6e\u9009\u62e9\u3002\u4ee5\u4e0b\u4e3a\u5e38\u89c1\u573a\u666f\u53c2\u8003\uff1a<\/p>\n<ul>\n<li>\u5c0f\u578b\u7f51\u7ad9 \/ \u5185\u7f51\u5de5\u5177\uff1a1 vCPU + 1\u20132 GB \u5185\u5b58\uff0cSSD 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Java \u8fd0\u884c\u73af\u5883\u5e76\u90e8\u7f72 Spring Boot \u5e94\u7528\uff0c\u53ef\u4ee5\u5728\u517c\u987e\u5bf9\u4e2d\u56fd\u5927\u9646\u548c\u4e9a\u592a\u7528\u6237\u7684\u4f4e\u5ef6\u8fdf\u8bbf\u95ee\u7684\u540c\u65f6\uff0c\u4fdd\u6301\u8f83\u9ad8\u7684\u90e8\u7f72\u7075\u6d3b\u6027\u4e0e\u8fd0\u7ef4\u6548\u7387\u3002\u5bf9\u4e8e\u9762\u5411\u5317\u7f8e\u7684\u4e1a\u52a1\uff0c\u53ef\u9009\u62e9\u7f8e\u56fdVPS \u6216\u7f8e\u56fd\u670d\u52a1\u5668 \u6765\u964d\u4f4e\u8de8\u6d0b\u5ef6\u8fdf\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u8282\u70b9\uff0c\u5173\u952e\u5728\u4e8e\u5408\u7406\u914d\u7f6e JVM\u3001\u8fdb\u7a0b\u7ba1\u7406\u3001\u53cd\u5411\u4ee3\u7406\u4e0e\u76d1\u63a7\u544a\u8b66\u4f53\u7cfb\u3002<\/p>\n<p>\u82e5\u5e0c\u671b\u5feb\u901f\u4f53\u9a8c\u9999\u6e2fVPS \u7684\u90e8\u7f72\u4e0e\u6027\u80fd\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u79cd\u9999\u6e2fVPS 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