{"id":4210,"date":"2024-11-11T16:01:47","date_gmt":"2024-11-11T08:01:47","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4210\/"},"modified":"2024-11-11T16:01:47","modified_gmt":"2024-11-11T08:01:47","slug":"%e6%9e%84%e5%bb%ba%e4%bd%a0%e7%9a%84-go-%e9%95%9c%e5%83%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4210\/","title":{"rendered":"\u6784\u5efa\u4f60\u7684 Go \u955c\u50cf"},"content":{"rendered":"<h1>\u6784\u5efa\u4f60\u7684 Go \u955c\u50cf<\/h1>\n<h2><\/h2>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u60a8\u5c06\u6784\u5efa\u4e00\u4e2a\u5bb9\u5668\u6620\u50cf\u3002\u8be5\u6620\u50cf\u5305\u542b\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5185\u5bb9 &#8211; \u5df2\u7f16\u8bd1\u7684\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6\u3001\u8fd0\u884c\u65f6\u3001\u5e93\u4ee5\u53ca\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u8d44\u6e90\u3002<\/p>\n<h2><\/h2>\n<p>\u8981\u5b8c\u6210\u672c\u6559\u7a0b\uff0c\u60a8\u9700\u8981\u5177\u5907\u4ee5\u4e0b\u6761\u4ef6\uff1a<\/p>\n<ul>\n<li>Docker \u5728\u672c\u5730\u8fd0\u884c\u3002\u6309\u7167\u3002<\/li>\n<li>\u7528\u4e8e\u7f16\u8f91\u6587\u4ef6\u7684 IDE \u6216\u6587\u672c\u7f16\u8f91\u5668\u3002 \u662f\u4e00\u4e2a\u514d\u8d39\u4e14\u6d41\u884c\u7684\u9009\u62e9\uff0c\u4f46\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u60a8\u89c9\u5f97\u8212\u670d\u7684\u4e1c\u897f\u3002<\/li>\n<li>\u4e00\u4e2a Git \u5ba2\u6237\u7aef\u3002\u672c\u6307\u5357\u4f7f\u7528\u57fa\u4e8e\u547d\u4ee4\u884c\u7684<code>git<\/code>\u5ba2\u6237\u7aef\uff0c\u4f46\u60a8\u53ef\u4ee5\u81ea\u7531\u4f7f\u7528\u9002\u5408\u60a8\u7684\u4efb\u4f55\u5185\u5bb9\u3002<\/li>\n<li>\u547d\u4ee4\u884c\u7ec8\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002\u672c\u6a21\u5757\u4e2d\u663e\u793a\u7684\u793a\u4f8b\u6765\u81ea Linux shell\uff0c\u4f46\u5b83\u4eec\u5e94\u8be5\u53ef\u4ee5\u5728 PowerShell\u3001Windows \u547d\u4ee4\u63d0\u793a\u7b26\u6216 OS X \u7ec8\u7aef\u4e2d\u8fd0\u884c\uff0c\u53ea\u9700\u8fdb\u884c\u6700\u5c11\u7684\u4fee\u6539\uff08\u5982\u679c\u6709\u7684\u8bdd\uff09\u3002<\/li>\n<\/ul>\n<h2><\/h2>\n<p>\u8be5\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u662f\u5fae\u670d\u52a1\u7684\u6f2b\u753b\u3002\u6709\u76ee\u7684\u5730\u4e13\u6ce8\u4e8e\u5b66\u4e60 Go \u5e94\u7528\u7a0b\u5e8f\u5bb9\u5668\u5316\u7684\u57fa\u7840\u77e5\u8bc6\u662f\u5f88\u7410\u788e\u7684\u4e8b\u60c5\u3002<\/p>\n<p>\u8be5\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e24\u4e2a HTTP \u7aef\u70b9\uff1a<\/p>\n<ul>\n<li>\u5b83\u4ee5\u5305\u542b\u5fc3\u5f62\u7b26\u53f7 ( ) \u7684\u5b57\u7b26\u4e32\u54cd\u5e94 \u7684<code>&lt;3<\/code>\u8bf7\u6c42<code>\/<\/code>\u3002<\/li>\n<li>\u5b83\u4f7f\u7528<code>{\"Status\" : \"OK\"}<\/code>JSON \u54cd\u5e94\u5bf9<code>\/health<\/code>.<\/li>\n<\/ul>\n<p>\u5b83\u4ee5 HTTP \u9519\u8bef 404 \u54cd\u5e94\u4efb\u4f55\u5176\u4ed6\u8bf7\u6c42\u3002<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u4fa6\u542c\u7531\u73af\u5883\u53d8\u91cf\u503c\u5b9a\u4e49\u7684 TCP \u7aef\u53e3<code>PORT<\/code>\u3002\u9ed8\u8ba4\u503c\u4e3a<code>8080<\/code>\u3002<\/p>\n<p>\u8be5\u5e94\u7528\u7a0b\u5e8f\u662f\u65e0\u72b6\u6001\u7684\u3002<\/p>\n<p>\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u5b8c\u6574\u6e90\u4ee3\u7801\u4f4d\u4e8e GitHub \u4e0a\uff1a \u3002\u6211\u4eec\u9f13\u52b1\u60a8\u5206\u53c9\u5b83\u5e76\u6839\u636e\u9700\u8981\u8fdb\u884c\u5c1d\u8bd5\u3002<\/p>\n<p>\u8981\u7ee7\u7eed\uff0c\u8bf7\u5c06\u5e94\u7528\u7a0b\u5e8f\u5b58\u50a8\u5e93\u514b\u9686\u5230\u672c\u5730\u8ba1\u7b97\u673a\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> git clone https:\/\/github.com\/docker\/docker-gs-ping <\/span><\/span><\/code><\/pre>\n<p><code>main.go<\/code>\u5982\u679c\u60a8\u719f\u6089 Go\uff0c\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u6587\u4ef6\u5f88\u7b80\u5355\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>package<\/span> <span>main<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span><span>import<\/span> <span>(<\/span> <\/span><\/span><span><span> <span>\"net\/http\"<\/span> <\/span><\/span><span><span> <span>\"os\"<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>\"github.com\/labstack\/echo\/v4\"<\/span> <\/span><\/span><span><span> <span>\"github.com\/labstack\/echo\/v4\/middleware\"<\/span> <\/span><\/span><span><span><span>)<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span><span>func<\/span> <span>main<\/span><span>()<\/span> <span>{<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>e<\/span> <span>:=<\/span> <span>echo<\/span><span>.<\/span><span>New<\/span><span>()<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>e<\/span><span>.<\/span><span>Use<\/span><span>(<\/span><span>middleware<\/span><span>.<\/span><span>Logger<\/span><span>())<\/span> <\/span><\/span><span><span> <span>e<\/span><span>.<\/span><span>Use<\/span><span>(<\/span><span>middleware<\/span><span>.<\/span><span>Recover<\/span><span>())<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>e<\/span><span>.<\/span><span>GET<\/span><span>(<\/span><span>\"\/\"<\/span><span>,<\/span> <span>func<\/span><span>(<\/span><span>c<\/span> <span>echo<\/span><span>.<\/span><span>Context<\/span><span>)<\/span> <span>error<\/span> <span>{<\/span> <\/span><\/span><span><span> <span>return<\/span> <span>c<\/span><span>.<\/span><span>HTML<\/span><span>(<\/span><span>http<\/span><span>.<\/span><span>StatusOK<\/span><span>,<\/span> <span>\"Hello, Docker! &lt;3\"<\/span><span>)<\/span> <\/span><\/span><span><span> <span>})<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>e<\/span><span>.<\/span><span>GET<\/span><span>(<\/span><span>\"\/health\"<\/span><span>,<\/span> <span>func<\/span><span>(<\/span><span>c<\/span> <span>echo<\/span><span>.<\/span><span>Context<\/span><span>)<\/span> <span>error<\/span> <span>{<\/span> <\/span><\/span><span><span> <span>return<\/span> <span>c<\/span><span>.<\/span><span>JSON<\/span><span>(<\/span><span>http<\/span><span>.<\/span><span>StatusOK<\/span><span>,<\/span> <span>struct<\/span><span>{<\/span> <span>Status<\/span> <span>string<\/span> <span>}{<\/span><span>Status<\/span><span>:<\/span> <span>\"OK\"<\/span><span>})<\/span> <\/span><\/span><span><span> <span>})<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>httpPort<\/span> <span>:=<\/span> <span>os<\/span><span>.<\/span><span>Getenv<\/span><span>(<\/span><span>\"PORT\"<\/span><span>)<\/span> <\/span><\/span><span><span> <span>if<\/span> <span>httpPort<\/span> <span>==<\/span> <span>\"\"<\/span> <span>{<\/span> <\/span><\/span><span><span> <span>httpPort<\/span> <span>=<\/span> <span>\"8080\"<\/span> <\/span><\/span><span><span> <span>}<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span> <span>e<\/span><span>.<\/span><span>Logger<\/span><span>.<\/span><span>Fatal<\/span><span>(<\/span><span>e<\/span><span>.<\/span><span>Start<\/span><span>(<\/span><span>\":\"<\/span> <span>+<\/span> <span>httpPort<\/span><span>))<\/span> <\/span><\/span><span><span><span>}<\/span> <\/span><\/span><span><span> <\/span><\/span><span><span><span>\/\/ Simple implementation of an integer minimum <\/span><\/span><\/span><span><span><span>\/\/ Adapted from: https:\/\/gobyexample.com\/testing-and-benchmarking <\/span><\/span><\/span><span><span><span><\/span><span>func<\/span> <span>IntMin<\/span><span>(<\/span><span>a<\/span><span>,<\/span> <span>b<\/span> <span>int<\/span><span>)<\/span> <span>int<\/span> <span>{<\/span> <\/span><\/span><span><span> <span>if<\/span> <span>a<\/span> <span>&lt;<\/span> <span>b<\/span> <span>{<\/span> <\/span><\/span><span><span> <span>return<\/span> <span>a<\/span> <\/span><\/span><span><span> <span>}<\/span> <\/span><\/span><span><span> <span>return<\/span> <span>b<\/span> <\/span><\/span><span><span><span>}<\/span><\/span><\/span><\/code><\/pre>\n<h2><\/h2>\n<p>\u8981\u4f7f\u7528 Docker \u6784\u5efa\u5bb9\u5668\u6620\u50cf\uff0c<code>Dockerfile<\/code>\u9700\u8981\u5305\u542b\u6784\u5efa\u8bf4\u660e\u3002<\/p>\n<p>\u4ece\uff08\u53ef\u9009\uff09\u89e3\u6790\u5668\u6307\u4ee4\u884c\u5f00\u59cb<code>Dockerfile<\/code>\uff0c\u6307\u793a BuildKit \u6839\u636e\u6307\u5b9a\u8bed\u6cd5\u7248\u672c\u7684\u8bed\u6cd5\u89c4\u5219\u89e3\u91ca\u60a8\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u7136\u540e\uff0c\u60a8\u544a\u8bc9 Docker \u60a8\u5e0c\u671b\u4e3a\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u4ec0\u4e48\u57fa\u7840\u955c\u50cf\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span># syntax=docker\/dockerfile:1<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> golang:1.19<\/span><\/span><\/span><\/code><\/pre>\n<p>Docker \u955c\u50cf\u53ef\u4ee5\u4ece\u5176\u4ed6\u955c\u50cf\u7ee7\u627f\u3002\u56e0\u6b64\uff0c\u60a8\u4e0d\u5fc5\u4ece\u5934\u5f00\u59cb\u521b\u5efa\u81ea\u5df1\u7684\u57fa\u7840\u6620\u50cf\uff0c\u800c\u662f\u53ef\u4ee5\u4f7f\u7528\u5df2\u7ecf\u62e5\u6709\u6240\u6709\u5fc5\u8981\u5de5\u5177\u548c\u5e93\u7684\u5b98\u65b9 Go \u6620\u50cf\u6765\u7f16\u8bd1\u548c\u8fd0\u884c Go \u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<blockquote>\n<p><strong>\u7b14\u8bb0<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u5bf9\u521b\u5efa\u81ea\u5df1\u7684\u57fa\u7840\u6620\u50cf\u611f\u5230\u597d\u5947\uff0c\u53ef\u4ee5\u67e5\u770b\u672c\u6307\u5357\u7684\u4ee5\u4e0b\u90e8\u5206\uff1a \u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u8fd9\u5e76\u4e0d\u662f\u7ee7\u7eed\u60a8\u624b\u5934\u7684\u4efb\u52a1\u6240\u5fc5\u9700\u7684\u3002<\/p>\n<\/blockquote>\n<p>\u73b0\u5728\u60a8\u5df2\u7ecf\u4e3a\u5373\u5c06\u63a8\u51fa\u7684\u5bb9\u5668\u6620\u50cf\u5b9a\u4e49\u4e86\u57fa\u7840\u6620\u50cf\uff0c\u60a8\u53ef\u4ee5\u5f00\u59cb\u5728\u5176\u57fa\u7840\u4e0a\u8fdb\u884c\u6784\u5efa\u3002<\/p>\n<p>\u4e3a\u4e86\u4f7f\u8fd0\u884c\u5176\u4f59\u547d\u4ee4\u65f6\u66f4\u5bb9\u6613\uff0c\u8bf7\u5728\u60a8\u6b63\u5728\u6784\u5efa\u7684\u6620\u50cf\u4e2d\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\u3002\u8fd9\u8fd8\u6307\u793a Docker \u4f7f\u7528\u6b64\u76ee\u5f55\u4f5c\u4e3a\u6240\u6709\u540e\u7eed\u547d\u4ee4\u7684\u9ed8\u8ba4\u76ee\u6807\u3002\u8fd9\u6837\u60a8\u5c31\u4e0d\u5fc5\u5728 \u4e2d\u952e\u5165\u5b8c\u6574\u7684\u6587\u4ef6\u8def\u5f84<code>Dockerfile<\/code>\uff0c\u76f8\u5bf9\u8def\u5f84\u5c06\u57fa\u4e8e\u6b64\u76ee\u5f55\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>WORKDIR<\/span><span> \/app<\/span><\/span><\/span><\/code><\/pre>\n<p>\u901a\u5e38\uff0c\u4e0b\u8f7d\u7528 Go \u7f16\u5199\u7684\u9879\u76ee\u540e\uff0c\u60a8\u8981\u505a\u7684\u7b2c\u4e00\u4ef6\u4e8b\u5c31\u662f\u5b89\u88c5\u7f16\u8bd1\u5b83\u6240\u9700\u7684\u6a21\u5757\u3002\u8bf7\u6ce8\u610f\uff0c\u57fa\u7840\u6620\u50cf\u5df2\u7ecf\u5177\u6709\u5de5\u5177\u94fe\uff0c\u4f46\u60a8\u7684\u6e90\u4ee3\u7801\u5c1a\u672a\u5305\u542b\u5728\u5176\u4e2d\u3002<\/p>\n<p><code>go mod download<\/code>\u56e0\u6b64\uff0c\u5728\u60a8\u53ef\u4ee5\u5728\u56fe\u50cf\u4e2d \u8fd0\u884c\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5c06\u60a8\u7684<code>go.mod<\/code>\u6587\u4ef6<code>go.sum<\/code>\u590d\u5236\u5230\u5176\u4e2d\u3002\u4f7f\u7528<code>COPY<\/code>\u547d\u4ee4\u6765\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/p>\n<p>\u5728\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u4e2d\uff0c\u8be5<code>COPY<\/code>\u547d\u4ee4\u91c7\u7528\u4e24\u4e2a\u53c2\u6570\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u544a\u8bc9 Docker \u60a8\u60f3\u8981\u5c06\u54ea\u4e9b\u6587\u4ef6\u590d\u5236\u5230\u6620\u50cf\u4e2d\u3002\u6700\u540e\u4e00\u4e2a\u53c2\u6570\u544a\u8bc9 Docker \u60a8\u5e0c\u671b\u5c06\u8be5\u6587\u4ef6\u590d\u5236\u5230\u54ea\u91cc\u3002<\/p>\n<p>\u5c06<code>go.mod<\/code>\u548c<code>go.sum<\/code>\u6587\u4ef6\u590d\u5236\u5230\u60a8\u7684\u9879\u76ee\u76ee\u5f55\u4e2d<code>\/app<\/code>\uff0c\u7531\u4e8e\u60a8\u4f7f\u7528\u4e86\uff0c\u8be5\u76ee\u5f55\u662f\u56fe\u50cf\u5185\u7684<code>WORKDIR<\/code>\u5f53\u524d\u76ee\u5f55 ( )\u3002<code>.\/<\/code>\u4e0e\u4e00\u4e9b\u73b0\u4ee3 shell \u4f3c\u4e4e\u5bf9\u5c3e\u90e8\u659c\u6760 ( <code>\/<\/code>) \u7684\u4f7f\u7528\u6f20\u4e0d\u5173\u5fc3\uff0c\u5e76\u4e14\u53ef\u4ee5\u5f04\u6e05\u695a\u7528\u6237\u7684\u610f\u601d\uff08\u5927\u591a\u6570\u65f6\u5019\uff09\u4e0d\u540c\uff0cDocker \u7684<code>COPY<\/code>\u547d\u4ee4\u5728\u89e3\u91ca\u5c3e\u90e8\u659c\u6760\u65f6\u975e\u5e38\u654f\u611f\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>COPY<\/span> go.mod go.sum .\/<\/span><\/span><\/code><\/pre>\n<blockquote>\n<p><strong>\u7b14\u8bb0<\/strong><\/p>\n<p>\u5982\u679c\u60a8\u60f3\u719f\u6089\u547d\u4ee4\u5bf9\u5c3e\u90e8\u659c\u6760\u7684\u5904\u7406 <code>COPY<\/code>\uff0c\u8bf7\u53c2\u9605 \u3002\u8fd9\u4e2a\u5c3e\u90e8\u659c\u6760\u53ef\u80fd\u4f1a\u4ee5\u6bd4\u60a8\u60f3\u8c61\u7684\u66f4\u591a\u7684\u65b9\u5f0f\u5bfc\u81f4\u95ee\u9898\u3002<\/p>\n<\/blockquote>\n<p>\u73b0\u5728\u60a8\u5728\u6b63\u5728\u6784\u5efa\u7684 Docker \u6620\u50cf\u4e2d\u5df2\u7ecf\u6709\u4e86\u6a21\u5757\u6587\u4ef6\uff0c\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8be5<code>RUN<\/code>\u547d\u4ee4\u5728\u5176\u4e2d\u8fd0\u884c\u8be5\u547d\u4ee4<code>go mod download<\/code> \u3002\u8fd9\u4e0e\u5728\u8ba1\u7b97\u673a\u4e0a\u672c\u5730\u8fd0\u884c\u5b8c\u5168\u76f8\u540c<code>go<\/code>\uff0c\u4f46\u8fd9\u6b21\u8fd9\u4e9b Go \u6a21\u5757\u5c06\u5b89\u88c5\u5230\u6620\u50cf\u5185\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>RUN<\/span> go mod download<\/span><\/span><\/code><\/pre>\n<p>\u6b64\u65f6\uff0c\u60a8\u5df2\u62e5\u6709 Go \u5de5\u5177\u94fe\u7248\u672c 1.19.x \u4ee5\u53ca\u6240\u6709 Go \u4f9d\u8d56\u9879\u90fd\u5b89\u88c5\u5728\u6620\u50cf\u5185\u3002<\/p>\n<p>\u60a8\u9700\u8981\u505a\u7684\u4e0b\u4e00\u4ef6\u4e8b\u662f\u5c06\u6e90\u4ee3\u7801\u590d\u5236\u5230\u56fe\u50cf\u4e2d\u3002\u60a8\u5c06<code>COPY<\/code>\u50cf\u4e4b\u524d\u4f7f\u7528\u6a21\u5757\u6587\u4ef6\u4e00\u6837\u4f7f\u7528\u8be5\u547d\u4ee4\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>COPY<\/span> *.go .\/<\/span><\/span><\/code><\/pre>\n<p>\u8be5<code>COPY<\/code>\u547d\u4ee4\u4f7f\u7528\u901a\u914d\u7b26\u5c06<code>.go<\/code>\u4e3b\u673a\u5f53\u524d\u76ee\u5f55\uff08\u6240\u5728\u76ee\u5f55<code>Dockerfile<\/code> \uff09\u4e2d\u6269\u5c55\u540d\u7684\u6240\u6709\u6587\u4ef6\u590d\u5236\u5230\u955c\u50cf\u5185\u7684\u5f53\u524d\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u8981\u7f16\u8bd1\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u8bf7\u4f7f\u7528\u719f\u6089\u7684<code>RUN<\/code>\u547d\u4ee4\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>RUN<\/span> <span>CGO_ENABLED<\/span><span>=<\/span><span>0<\/span> <span>GOOS<\/span><span>=<\/span>linux go build -o \/docker-gs-ping<\/span><\/span><\/code><\/pre>\n<p>\u8fd9\u5e94\u8be5\u5f88\u719f\u6089\u3002\u8be5\u547d\u4ee4\u7684\u7ed3\u679c\u5c06\u662f\u4e00\u4e2a\u9759\u6001\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6<code>docker-gs-ping<\/code>\uff0c\u5176\u540d\u79f0\u4f4d\u4e8e\u60a8\u6b63\u5728\u6784\u5efa\u7684\u6620\u50cf\u7684\u6587\u4ef6\u7cfb\u7edf\u7684\u6839\u76ee\u5f55\u4e2d\u3002\u60a8\u53ef\u4ee5\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u653e\u5165\u8be5\u6620\u50cf\u5185\u60a8\u60f3\u8981\u7684\u4efb\u4f55\u5176\u4ed6\u4f4d\u7f6e\uff0c\u6839\u76ee\u5f55\u5728\u8fd9\u65b9\u9762\u6ca1\u6709\u7279\u6b8a\u542b\u4e49\u3002\u4f7f\u7528\u5b83\u6765\u4fdd\u6301\u6587\u4ef6\u8def\u5f84\u7b80\u77ed\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u5f88\u65b9\u4fbf\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u5269\u4e0b\u8981\u505a\u7684\u5c31\u662f\u544a\u8bc9 Docker \u5f53\u60a8\u7684\u6620\u50cf\u7528\u4e8e\u542f\u52a8\u5bb9\u5668\u65f6\u8981\u8fd0\u884c\u4ec0\u4e48\u547d\u4ee4\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6267\u884c\u6b64<code>CMD<\/code>\u64cd\u4f5c\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>CMD<\/span> <span>[<\/span><span>\"\/docker-gs-ping\"<\/span><span>]<\/span><\/span><\/span><\/code><\/pre>\n<p>\u8fd9\u662f\u5b8c\u6574\u7684<code>Dockerfile<\/code>\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span># syntax=docker\/dockerfile:1<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> golang:1.19<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Set destination for COPY<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>WORKDIR<\/span><span> \/app<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Download Go modules<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>COPY<\/span> go.mod go.sum .\/<span> <\/span><\/span><\/span><span><span><span><\/span><span>RUN<\/span> go mod download<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Copy the source code. Note the slash at the end, as explained in<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># https:\/\/docker.github.net.cn\/reference\/dockerfile\/#copy<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>COPY<\/span> *.go .\/<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Build<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>RUN<\/span> <span>CGO_ENABLED<\/span><span>=<\/span><span>0<\/span> <span>GOOS<\/span><span>=<\/span>linux go build -o \/docker-gs-ping<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Optional:<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># To bind to a TCP port, runtime parameters must be supplied to the docker command.<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># But we can document in the Dockerfile what ports<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># the application is going to listen on by default.<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># https:\/\/docker.github.net.cn\/reference\/dockerfile\/#expose<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>EXPOSE<\/span><span> 8080<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Run<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>CMD<\/span> <span>[<\/span><span>\"\/docker-gs-ping\"<\/span><span>]<\/span><\/span><\/span><\/code><\/pre>\n<p>\u8fd8\u53ef\u80fd<code>Dockerfile<\/code>\u5305\u542b\u8bc4\u8bba\u3002\u5b83\u4eec\u59cb\u7ec8\u4ee5<code>#<\/code>\u7b26\u53f7\u5f00\u5934\uff0c\u5e76\u4e14\u5fc5\u987b\u4f4d\u4e8e\u884c\u7684\u5f00\u5934\u3002\u6ce8\u91ca\u662f\u4e3a\u4e86\u65b9\u4fbf\u60a8\u8bb0\u5f55\u60a8\u7684<code>Dockerfile<\/code>.<\/p>\n<p>\u8fd8\u6709\u4e00\u4e2aDockerfile\u6307\u4ee4\u7684\u6982\u5ff5\uff0c\u6bd4\u5982<code>syntax<\/code>\u4f60\u6dfb\u52a0\u7684\u6307\u4ee4\u3002\u6307\u4ee4\u5fc5\u987b\u59cb\u7ec8\u4f4d\u4e8e \u7684\u6700\u9876\u90e8<code>Dockerfile<\/code>\uff0c\u56e0\u6b64\u5728\u6dfb\u52a0\u6ce8\u91ca\u65f6\uff0c\u8bf7\u786e\u4fdd\u6ce8\u91ca\u4f4d\u4e8e\u60a8\u53ef\u80fd\u4f7f\u7528\u8fc7\u7684\u4efb\u4f55\u6307\u4ee4\u4e4b\u540e\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span># syntax=docker\/dockerfile:1<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span># A sample microservice in Go packaged into a container image.<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> golang:1.19<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># ...<\/span><\/span><\/span><\/code><\/pre>\n<h2><\/h2>\n<p>\u73b0\u5728\u60a8\u5df2\u7ecf\u521b\u5efa\u4e86<code>Dockerfile<\/code>\uff0c\u53ef\u4ee5\u4ece\u4e2d\u6784\u5efa\u4e00\u4e2a\u56fe\u50cf\u3002\u8be5\u547d\u4ee4\u4ece\u4e0a\u4e0b\u6587<code>docker build<\/code>\u521b\u5efa Docker \u6620\u50cf\u3002<code>Dockerfile<\/code>\u6784\u5efa\u4e0a\u4e0b\u6587\u662f\u4f4d\u4e8e\u6307\u5b9a\u8def\u5f84\u6216 URL \u4e2d\u7684\u6587\u4ef6\u96c6\u3002 Docker \u6784\u5efa\u8fc7\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u4f4d\u4e8e\u4e0a\u4e0b\u6587\u4e2d\u7684\u4efb\u4f55\u6587\u4ef6\u3002<\/p>\n<p>\u6784\u5efa\u547d\u4ee4\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u4e00\u4e2a<code>--tag<\/code>\u6807\u5fd7\u3002\u8be5\u6807\u5fd7\u7528\u4e8e\u7528\u5b57\u7b26\u4e32\u503c\u6807\u8bb0\u56fe\u50cf\uff0c\u8be5\u5b57\u7b26\u4e32\u503c\u6613\u4e8e\u4eba\u7c7b\u9605\u8bfb\u548c\u8bc6\u522b\u3002\u5982\u679c\u60a8\u4e0d\u4f20\u9012<code>--tag<\/code>\uff0cDocker \u5c06\u4f7f\u7528<code>latest<\/code>\u4f5c\u4e3a\u9ed8\u8ba4\u503c\u3002<\/p>\n<p>\u6784\u5efa\u60a8\u7684\u7b2c\u4e00\u4e2a Docker \u955c\u50cf\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker build --tag docker-gs-ping . <\/span><\/span><\/code><\/pre>\n<p>\u6784\u5efa\u8fc7\u7a0b\u5c06\u5728\u6267\u884c\u6784\u5efa\u6b65\u9aa4\u65f6\u6253\u5370\u4e00\u4e9b\u8bca\u65ad\u6d88\u606f\u3002\u4ee5\u4e0b\u53ea\u662f\u8fd9\u4e9b\u6d88\u606f\u7684\u793a\u4f8b\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>[+] Building 2.2s (15\/15) FINISHED <\/span><\/span><\/span><span><span><span> =&gt; [internal] load build definition from Dockerfile 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; transferring dockerfile: 701B 0.0s <\/span><\/span><\/span><span><span><span> =&gt; [internal] load .dockerignore 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; transferring context: 2B 0.0s <\/span><\/span><\/span><span><span><span> =&gt; resolve image config for docker.io\/docker\/dockerfile:1 1.1s <\/span><\/span><\/span><span><span><span> =&gt; CACHED docker-image:\/\/docker.io\/docker\/dockerfile:1@sha256:39b85bbfa7536a5feceb7372a0817649ecb2724562a38360f4d6a7782a409b14 0.0s <\/span><\/span><\/span><span><span><span> =&gt; [internal] load build definition from Dockerfile 0.0s <\/span><\/span><\/span><span><span><span> =&gt; [internal] load .dockerignore 0.0s <\/span><\/span><\/span><span><span><span> =&gt; [internal] load metadata for docker.io\/library\/golang:1.19 0.7s <\/span><\/span><\/span><span><span><span> =&gt; [1\/6] FROM docker.io\/library\/golang:1.19@sha256:5d947843dde82ba1df5ac1b2ebb70b203d106f0423bf5183df3dc96f6bc5a705 0.0s <\/span><\/span><\/span><span><span><span> =&gt; [internal] load build context 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; transferring context: 6.08kB 0.0s <\/span><\/span><\/span><span><span><span> =&gt; CACHED [2\/6] WORKDIR \/app 0.0s <\/span><\/span><\/span><span><span><span> =&gt; CACHED [3\/6] COPY go.mod go.sum .\/ 0.0s <\/span><\/span><\/span><span><span><span> =&gt; CACHED [4\/6] RUN go mod download 0.0s <\/span><\/span><\/span><span><span><span> =&gt; CACHED [5\/6] COPY *.go .\/ 0.0s <\/span><\/span><\/span><span><span><span> =&gt; CACHED [6\/6] RUN CGO_ENABLED=0 GOOS=linux go build -o \/docker-gs-ping 0.0s <\/span><\/span><\/span><span><span><span> =&gt; exporting to image 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; exporting layers 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; writing image sha256:ede8ff889a0d9bc33f7a8da0673763c887a258eb53837dd52445cdca7b7df7e3 0.0s <\/span><\/span><\/span><span><span><span> =&gt; =&gt; naming to docker.io\/library\/docker-gs-ping 0.0s <\/span><\/span><\/span><\/code><\/pre>\n<p>\u60a8\u7684\u786e\u5207\u8f93\u51fa\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5982\u679c\u6ca1\u6709\u4efb\u4f55\u9519\u8bef\uff0c\u60a8\u5e94\u8be5<code>FINISHED<\/code>\u5728\u8f93\u51fa\u7684\u7b2c\u4e00\u884c\u4e2d\u770b\u5230\u8be5\u5355\u8bcd\u3002\u8fd9\u610f\u5473\u7740 Docker \u5df2\u6210\u529f\u6784\u5efa\u540d\u4e3a \u7684\u6620\u50cf<code>docker-gs-ping<\/code>\u3002<\/p>\n<h2><\/h2>\n<p>\u8981\u67e5\u770b\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u7684\u6620\u50cf\u5217\u8868\uff0c\u60a8\u6709\u4e24\u79cd\u9009\u62e9\u3002\u4e00\u79cd\u662f\u4f7f\u7528 CLI\uff0c\u53e6\u4e00\u79cd\u662f\u4f7f\u7528\u3002\u7531\u4e8e\u60a8\u5f53\u524d\u6b63\u5728\u7ec8\u7aef\u4e2d\u5de5\u4f5c\uff0c\u56e0\u6b64\u8bf7\u67e5\u770b\u4f7f\u7528 CLI \u5217\u51fa\u56fe\u50cf\u3002<\/p>\n<p>\u8981\u5217\u51fa\u56fe\u50cf\uff0c\u8bf7\u8fd0\u884c<code>docker image ls<\/code>\u547d\u4ee4\uff08\u6216<code>docker images<\/code>\u7b80\u5199\uff09\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image ls <\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>REPOSITORY TAG IMAGE ID CREATED SIZE <\/span><\/span><\/span><span><span><span>docker-gs-ping latest 7f153fbcc0a8 2 minutes ago 1.11GB <\/span><\/span><\/span><span><span><span>... <\/span><\/span><\/span><\/code><\/pre>\n<p>\u60a8\u7684\u786e\u5207\u8f93\u51fa\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u60a8\u5e94\u8be5\u4f1a\u770b\u5230<code>docker-gs-ping<\/code>\u5e26\u6709<code>latest<\/code>\u6807\u7b7e\u7684\u56fe\u50cf\u3002\u7531\u4e8e\u60a8\u5728\u6784\u5efa\u6620\u50cf\u65f6\u6ca1\u6709\u6307\u5b9a\u81ea\u5b9a\u4e49\u6807\u7b7e\uff0c\u56e0\u6b64 Docker \u5047\u5b9a\u8be5\u6807\u7b7e\u4e3a<code>latest<\/code>\uff0c\u8fd9\u662f\u4e00\u4e2a\u7279\u6b8a\u503c\u3002<\/p>\n<h2><\/h2>\n<p>\u56fe\u50cf\u540d\u79f0\u7531\u659c\u6760\u5206\u9694\u7684\u540d\u79f0\u7ec4\u4ef6\u7ec4\u6210\u3002\u540d\u79f0\u7ec4\u4ef6\u53ef\u4ee5\u5305\u542b\u5c0f\u5199\u5b57\u6bcd\u3001\u6570\u5b57\u548c\u5206\u9694\u7b26\u3002\u5206\u9694\u7b26\u5b9a\u4e49\u4e3a\u4e00\u4e2a\u53e5\u70b9\u3001\u4e00\u4e2a\u6216\u4e24\u4e2a\u4e0b\u5212\u7ebf\u3001\u6216\u8005\u4e00\u4e2a\u6216\u591a\u4e2a\u7834\u6298\u53f7\u3002\u540d\u79f0\u7ec4\u4ef6\u4e0d\u80fd\u4ee5\u5206\u9694\u7b26\u5f00\u5934\u6216\u7ed3\u5c3e\u3002<\/p>\n<p>\u56fe\u50cf\u7531\u6e05\u5355\u548c\u5c42\u5217\u8868\u7ec4\u6210\u3002\u7b80\u5355\u6765\u8bf4\uff0c\u6807\u7b7e\u6307\u5411\u8fd9\u4e9b\u5de5\u4ef6\u7684\u7ec4\u5408\u3002\u56fe\u50cf\u53ef\u4ee5\u6709\u591a\u4e2a\u6807\u7b7e\uff0c\u4e8b\u5b9e\u4e0a\uff0c\u5927\u591a\u6570\u56fe\u50cf\u90fd\u6709\u591a\u4e2a\u6807\u7b7e\u3002\u4e3a\u60a8\u6784\u5efa\u7684\u56fe\u50cf\u521b\u5efa\u7b2c\u4e8c\u4e2a\u6807\u7b7e\u5e76\u67e5\u770b\u5176\u56fe\u5c42\u3002<\/p>\n<p>\u4f7f\u7528<code>docker image tag<\/code>\uff08\u6216<code>docker tag<\/code>\u7b80\u5199\uff09\u547d\u4ee4\u4e3a\u56fe\u50cf\u521b\u5efa\u65b0\u6807\u7b7e\u3002\u8be5\u547d\u4ee4\u6709\u4e24\u4e2a\u53c2\u6570\uff1b\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6e90\u56fe\u50cf\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8981\u521b\u5efa\u7684\u65b0\u6807\u7b7e\u3002\u4ee5\u4e0b\u547d\u4ee4<code>docker-gs-ping:v1.0<\/code>\u4e3a<code>docker-gs-ping:latest<\/code>\u60a8\u6784\u5efa\u7684\u521b\u5efa\u4e00\u4e2a\u65b0\u6807\u7b7e\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image tag docker-gs-ping:latest docker-gs-ping:v1.0 <\/span><\/span><\/code><\/pre>\n<p>Docker<code>tag<\/code>\u547d\u4ee4\u4e3a\u955c\u50cf\u521b\u5efa\u4e00\u4e2a\u65b0\u6807\u7b7e\u3002\u5b83\u4e0d\u4f1a\u521b\u5efa\u65b0\u56fe\u50cf\u3002\u6807\u7b7e\u6307\u5411\u540c\u4e00\u5f20\u56fe\u50cf\uff0c\u53ea\u662f\u5f15\u7528\u56fe\u50cf\u7684\u53e6\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n<p>\u73b0\u5728\u518d\u6b21\u8fd0\u884c<code>docker image ls<\/code>\u547d\u4ee4\u4ee5\u67e5\u770b\u66f4\u65b0\u540e\u7684\u672c\u5730\u955c\u50cf\u5217\u8868\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image ls <\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>REPOSITORY TAG IMAGE ID CREATED SIZE <\/span><\/span><\/span><span><span><span>docker-gs-ping latest 7f153fbcc0a8 6 minutes ago 1.11GB <\/span><\/span><\/span><span><span><span>docker-gs-ping v1.0 7f153fbcc0a8 6 minutes ago 1.11GB <\/span><\/span><\/span><span><span><span>... <\/span><\/span><\/span><\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u770b\u5230\u6709\u4e24\u4e2a\u4ee5 \u5f00\u5934\u7684\u56fe\u50cf<code>docker-gs-ping<\/code>\u3002\u60a8\u77e5\u9053\u5b83\u4eec\u662f\u76f8\u540c\u7684\u56fe\u50cf\uff0c\u56e0\u4e3a\u5982\u679c\u60a8\u67e5\u770b\u8be5<code>IMAGE ID<\/code>\u5217\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u4e24\u4e2a\u56fe\u50cf\u7684\u503c\u76f8\u540c\u3002\u8be5\u503c\u662f Docker \u5728\u5185\u90e8\u7528\u4e8e\u8bc6\u522b\u955c\u50cf\u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002<\/p>\n<p>\u5220\u9664\u60a8\u521a\u521a\u521b\u5efa\u7684\u6807\u7b7e\u3002\u4e3a\u6b64\uff0c\u60a8\u5c06\u4f7f\u7528\u4ee5\u4e0b <code>docker image rm<\/code>\u547d\u4ee4\u6216\u7b80\u5199<code>docker rmi<\/code>\uff08\u4ee3\u8868\u201c\u5220\u9664\u56fe\u50cf\u201d\uff09\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image rm docker-gs-ping:v1.0 <\/span><\/span><span><span><span>Untagged: docker-gs-ping:v1.0 <\/span><\/span><\/span><\/code><\/pre>\n<p>\u8bf7\u6ce8\u610f\uff0c\u6765\u81ea Docker \u7684\u54cd\u5e94\u544a\u8bc9\u60a8\u8be5\u6620\u50cf\u5c1a\u672a\u88ab\u5220\u9664\uff0c\u800c\u53ea\u662f\u672a\u6807\u8bb0\u3002<\/p>\n<p>\u901a\u8fc7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u9a8c\u8bc1\u8fd9\u4e00\u70b9\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image ls <\/span><\/span><\/code><\/pre>\n<p>\u60a8\u5c06\u770b\u5230\u8be5\u6807\u7b7e<code>v1.0<\/code>\u4e0d\u518d\u4f4d\u4e8e Docker \u5b9e\u4f8b\u4fdd\u7559\u7684\u955c\u50cf\u5217\u8868\u4e2d\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span>REPOSITORY TAG IMAGE ID CREATED SIZE <\/span><\/span><span><span>docker-gs-ping latest 7f153fbcc0a8 7 minutes ago 1.11GB <\/span><\/span><span><span>...<\/span><\/span><\/code><\/pre>\n<p>\u6807\u7b7e<code>v1.0<\/code>\u5df2\u88ab\u5220\u9664\uff0c\u4f46\u60a8<code>docker-gs-ping:latest<\/code> \u7684\u8ba1\u7b97\u673a\u4e0a\u4ecd\u7136\u6709\u53ef\u7528\u7684\u6807\u7b7e\uff0c\u56e0\u6b64\u56fe\u50cf\u5c31\u5728\u90a3\u91cc\u3002<\/p>\n<h2><\/h2>\n<p>\u60a8\u53ef\u80fd\u5df2\u7ecf\u6ce8\u610f\u5230\uff0c\u60a8\u7684<code>docker-gs-ping<\/code>\u56fe\u50cf\u5927\u5c0f\u8d85\u8fc7 1 GB\uff0c\u8fd9\u5bf9\u4e8e\u7f16\u8bd1\u7684\u5c0f\u578b Go \u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\u5df2\u7ecf\u5f88\u5927\u4e86\u3002\u60a8\u53ef\u80fd\u8fd8\u60f3\u77e5\u9053\u5728\u6784\u5efa\u955c\u50cf\u540e\uff0c\u5168\u5957 Go \u5de5\u5177\uff08\u5305\u62ec\u7f16\u8bd1\u5668\uff09\u53d1\u751f\u4e86\u4ec0\u4e48\u3002<\/p>\n<p>\u7b54\u6848\u662f\u5b8c\u6574\u7684\u5de5\u5177\u94fe\u4ecd\u7136\u5b58\u5728\u4e8e\u5bb9\u5668\u955c\u50cf\u4e2d\u3002\u7531\u4e8e\u6587\u4ef6\u8f83\u5927\uff0c\u8fd9\u4e0d\u4ec5\u4e0d\u65b9\u4fbf\uff0c\u800c\u4e14\u5728\u90e8\u7f72\u5bb9\u5668\u65f6\u8fd8\u53ef\u80fd\u5b58\u5728\u5b89\u5168\u98ce\u9669\u3002<\/p>\n<p>\u6765\u89e3\u51b3 \u3002<\/p>\n<p>\u7b80\u800c\u8a00\u4e4b\uff0c\u591a\u9636\u6bb5\u6784\u5efa\u53ef\u4ee5\u5c06\u5de5\u4ef6\u4ece\u4e00\u4e2a\u6784\u5efa\u9636\u6bb5\u8f6c\u79fb\u5230\u53e6\u4e00\u4e2a\u6784\u5efa\u9636\u6bb5\uff0c\u5e76\u4e14\u6bcf\u4e2a\u6784\u5efa\u9636\u6bb5\u90fd\u53ef\u4ee5\u4ece\u4e0d\u540c\u7684\u57fa\u7840\u6620\u50cf\u8fdb\u884c\u5b9e\u4f8b\u5316\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u5c06\u4f7f\u7528\u5b8c\u6574\u7684\u5b98\u65b9 Go \u6620\u50cf\u6765\u6784\u5efa\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u7136\u540e\uff0c\u60a8\u5c06\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6620\u50cf\u4e2d\uff0c\u8be5\u6620\u50cf\u7684\u57fa\u7840\u975e\u5e38\u7cbe\u7b80\uff0c\u4e0d\u5305\u542b Go \u5de5\u5177\u94fe\u6216\u5176\u4ed6\u53ef\u9009\u7ec4\u4ef6\u3002<\/p>\n<p>\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u7684\u5b58\u50a8\u5e93<code>Dockerfile.multistage<\/code>\u4e2d\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span># syntax=docker\/dockerfile:1<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Build the application from source<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> golang:1.19 AS build-stage<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>WORKDIR<\/span><span> \/app<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>COPY<\/span> go.mod go.sum .\/<span> <\/span><\/span><\/span><span><span><span><\/span><span>RUN<\/span> go mod download<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>COPY<\/span> *.go .\/<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>RUN<\/span> <span>CGO_ENABLED<\/span><span>=<\/span><span>0<\/span> <span>GOOS<\/span><span>=<\/span>linux go build -o \/docker-gs-ping<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Run the tests in the container<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> build-stage AS run-test-stage<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>RUN<\/span> go <span>test<\/span> -v .\/...<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span># Deploy the application binary into a lean image<\/span><span> <\/span><\/span><\/span><span><span><span><\/span><span>FROM<\/span><span> gcr.io\/distroless\/base-debian11 AS build-release-stage<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>WORKDIR<\/span><span> \/<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>COPY<\/span> --from<span>=<\/span>build-stage \/docker-gs-ping \/docker-gs-ping<span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>EXPOSE<\/span><span> 8080<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>USER<\/span><span> nonroot:nonroot<\/span><span> <\/span><\/span><\/span><span><span><span> <\/span><\/span><\/span><span><span><span><\/span><span>ENTRYPOINT<\/span> <span>[<\/span><span>\"\/docker-gs-ping\"<\/span><span>]<\/span><\/span><\/span><\/code><\/pre>\n<p>\u7531\u4e8e\u60a8\u73b0\u5728\u6709\u4e24\u4e2a Dockerfile\uff0c\u56e0\u6b64\u60a8\u5fc5\u987b\u544a\u8bc9 Docker \u60a8\u8981\u4f7f\u7528\u54ea\u4e2a Dockerfile \u6765\u6784\u5efa\u6620\u50cf\u3002\u7528 \u6807\u8bb0\u65b0\u56fe\u50cf<code>multistage<\/code>\u3002\u8fd9\u4e2a\u6807\u7b7e\uff08\u4e0e\u4efb\u4f55\u5176\u4ed6\u6807\u7b7e\u4e00\u6837\uff0c\u9664\u4e86<code>latest<\/code>\uff09\u5bf9\u4e8e Docker \u6765\u8bf4\u6ca1\u6709\u7279\u6b8a\u542b\u4e49\uff0c\u5b83\u53ea\u662f\u60a8\u9009\u62e9\u7684\u4e1c\u897f\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker build -t docker-gs-ping:multistage -f Dockerfile.multistage . <\/span><\/span><\/code><\/pre>\n<p>\u6bd4\u8f83 \u548c \u7684\u5927\u5c0f<code>docker-gs-ping:multistage<\/code>\uff0c<code>docker-gs-ping:latest<\/code> \u60a8\u4f1a\u53d1\u73b0\u51e0\u4e2a\u6570\u91cf\u7ea7\u7684\u5dee\u5f02\u3002<\/p>\n<p><span> <\/span><br \/>\n<span> <\/span> <\/p>\n<pre><code><span><span><span>$<\/span> docker image ls <\/span><\/span><span><span><span>REPOSITORY TAG IMAGE ID CREATED SIZE <\/span><\/span><\/span><span><span><span>docker-gs-ping multistage e3fdde09f172 About a minute ago 28.1MB <\/span><\/span><\/span><span><span><span>docker-gs-ping latest 336a3f164d0f About an hour ago 1.11GB <\/span><\/span><\/span><\/code><\/pre>\n<p>\u4e4b\u6240\u4ee5\u5982\u6b64\uff0c\u662f\u56e0\u4e3a \u60a8\u5728\u6784\u5efa\u7684\u7b2c\u4e8c\u9636\u6bb5\u4f7f\u7528\u7684<\/p>\n<p>\u591a\u9636\u6bb5\u6784\u5efa\u8fd8\u6709\u66f4\u591a\u5185\u5bb9\uff0c\u5305\u62ec\u591a\u67b6\u6784\u6784\u5efa\u7684\u53ef\u80fd\u6027\uff0c\u56e0\u6b64\u8bf7\u968f\u610f\u67e5\u770b \u3002\u7136\u800c\uff0c\u8fd9\u5bf9\u4e8e\u60a8\u5728\u6b64\u53d6\u5f97\u8fdb\u5c55\u5e76\u4e0d\u662f\u5fc5\u9700\u7684\u3002<\/p>\n<h2><\/h2>\n<p>\u5728\u672c\u6a21\u5757\u4e2d\uff0c\u60a8\u4e86\u89e3\u4e86\u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u5e76\u4e3a\u5176\u6784\u5efa\u4e86\u5bb9\u5668\u6620\u50cf\u3002<\/p>\n<p>\u5728\u4e0b\u4e00\u4e2a\u6a21\u5757\u4e2d\uff0c\u60a8\u5c06\u4e86\u89e3\u5982\u4f55\u5c06\u6620\u50cf\u4f5c\u4e3a\u5bb9\u5668\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6784\u5efa\u4f60\u7684 Go \u955c\u50cf \u5728\u672c\u8282\u4e2d\uff0c\u60a8\u5c06\u6784\u5efa\u4e00\u4e2a\u5bb9\u5668\u6620\u50cf\u3002\u8be5\u6620\u50cf\u5305\u542b\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5185\u5bb9 &#8211; \u5df2\u7f16\u8bd1\u7684\u5e94\u7528\u7a0b\u5e8f\u4e8c\u8fdb\u5236\u6587\u4ef6\u3001\u8fd0\u884c\u65f6\u3001\u5e93\u4ee5\u53ca\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u7684\u6240\u6709\u5176\u4ed6\u8d44\u6e90\u3002 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