{"id":196,"date":"2025-04-07T20:11:43","date_gmt":"2025-04-07T12:11:43","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=196"},"modified":"2025-04-07T20:11:43","modified_gmt":"2025-04-07T12:11:43","slug":"2025%e5%b9%b4%e6%9c%80%e6%96%b0%e6%9c%80%e5%85%a8%e7%9a%84dockerfile%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/2025%e5%b9%b4%e6%9c%80%e6%96%b0%e6%9c%80%e5%85%a8%e7%9a%84dockerfile%e8%af%a6%e8%a7%a3\/","title":{"rendered":"2025\u5e74\u6700\u65b0\u6700\u5168\u7684Dockerfile\u8be6\u89e3"},"content":{"rendered":"\n<p>\u73af\u5883\u4ecb\u7ecd<br>1.Dockerfile\u4e2d\u6240\u7528\u7684\u6240\u6709\u6587\u4ef6\u4e00\u5b9a\u8981\u548cDockerfile\u6587\u4ef6\u5728\u540c\u4e00\u7ea7\u7236\u76ee\u5f55\u4e0b\uff0c\u53ef\u4ee5\u4e3aDockerfile\u7236\u76ee\u5f55\u7684\u5b50\u76ee\u5f55<br>2.Dockerfile\u4e2d\u76f8\u5bf9\u8def\u5f84\u9ed8\u8ba4\u90fd\u662fDockerfile\u6240\u5728\u7684\u76ee\u5f55<br>3.Dockerfile\u4e2d\u4e00\u5b9a\u8981\u60dc\u5b57\u5982\u91d1\uff0c\u80fd\u5199\u5230\u4e00\u884c\u7684\u6307\u4ee4\uff0c\u4e00\u5b9a\u8981\u5199\u5230\u4e00\u884c\uff0c\u539f\u56e0\u662f\u5206\u5c42\u6784\u5efa\uff0c\u8054\u5408\u6302\u8f7d\u8fd9\u4e2a\u7279\u6027\u3002<br>Dockerfile\u4e2d\u6bcf\u4e00\u6761\u6307\u4ee4\u88ab\u89c6\u4e3a\u4e00\u5c42<br>4.Dockerfile\u4e2d\u6307\u660e\u5927\u5199\uff08\u7ea6\u5b9a\u4fd7\u6210\uff09<\/p>\n\n\n\n<p>\u6307\u4ee4\u4ecb\u7ecd<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>FROM<\/h2>\n\n\n\n<p><br>\u529f\u80fd\u4e3a\u6307\u5b9a\u57fa\u7840\u955c\u50cf\uff0c\u5e76\u4e14\u5fc5\u987b\u662f\u7b2c\u4e00\u6761\u6307\u4ee4\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u4e0d\u4ee5\u4efb\u4f55\u955c\u50cf\u4e3a\u57fa\u7840\uff0c\u90a3\u4e48\u5199\u6cd5\u4e3a\uff1aFROM scratch\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\u610f\u5473\u7740\u63a5\u4e0b\u6765\u6240\u5199\u7684\u6307\u4ee4\u5c06\u4f5c\u4e3a\u955c\u50cf\u7684\u7b2c\u4e00\u5c42\u5f00\u59cb<br>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FROM &lt;image>\nFROM &lt;image>:&lt;tag>\nFROM &lt;image>:&lt;digest>\n\u4e09\u79cd\u5199\u6cd5\uff0c\u5176\u4e2d&lt;tag>\u548c&lt;digest> \u662f\u53ef\u9009\u9879\uff0c\u5982\u679c\u6ca1\u6709\u9009\u62e9\uff0c\u90a3\u4e48\u9ed8\u8ba4\u503c\u4e3alatest<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">MAINTAINER<\/h2>\n\n\n\n<p><br>\u6307\u5b9a\u4f5c\u8005\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MAINTAINER &lt;name><\/code><\/pre>\n\n\n\n<p><br>\u65b0\u7248docker\u4e2d\u4f7f\u7528LABEL\u6307\u660e<br>LABEL<br>\u529f\u80fd\u662f\u4e3a\u955c\u50cf\u6307\u5b9a\u6807\u7b7e<\/p>\n\n\n\n<p>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>LABEL &lt;key>=&lt;value> &lt;key>=&lt;value> &lt;key>=&lt;value> ...\n \u4e00\u4e2aDockerfile\u79cd\u53ef\u4ee5\u6709\u591a\u4e2aLABEL\uff0c\u5982\u4e0b\uff1a\n\nLABEL \"com.example.vendor\"=\"ACME Incorporated\"\nLABEL com.example.label-with-value=\"foo\"\nLABEL version=\"1.0\"\nLABEL description=\"This text illustrates \\\nthat label-values can span multiple lines.\"\n \u4f46\u662f\u5e76\u4e0d\u5efa\u8bae\u8fd9\u6837\u5199\uff0c\u6700\u597d\u5c31\u5199\u6210\u4e00\u884c\uff0c\u5982\u592a\u957f\u9700\u8981\u6362\u884c\u7684\u8bdd\u5219\u4f7f\u7528\\\u7b26\u53f7\n\n\u5982\u4e0b\uff1a\n\nLABEL multi.label1=\"value1\" \\\nmulti.label2=\"value2\" \\\nother=\"value3\"<\/code><\/pre>\n\n\n\n<p>\u4f46\u662f\u5e76\u4e0d\u5efa\u8bae\u8fd9\u6837\u5199\uff0c\u6700\u597d\u5c31\u5199\u6210\u4e00\u884c\uff0c\u5982\u592a\u957f\u9700\u8981\u6362\u884c\u7684\u8bdd\u5219\u4f7f\u7528\\\u7b26\u53f7<\/p>\n\n\n\n<p>\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>LABEL multi.label1=\"value1\" \\\nmulti.label2=\"value2\" \\\nother=\"value3\"<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\uff1aLABEL\u4f1a\u7ee7\u627f\u57fa\u7840\u955c\u50cf\u79cd\u7684LABEL\uff0c\u5982\u9047\u5230key\u76f8\u540c\uff0c\u5219\u503c\u8986\u76d6<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ADD<\/h2>\n\n\n\n<p><br>\u4e00\u4e2a\u590d\u5236\u547d\u4ee4\uff0c\u628a\u6587\u4ef6\u590d\u5236\u5230\u955c\u50cf\u4e2d\u3002<br>\u5982\u679c\u628a\u865a\u62df\u673a\u4e0e\u5bb9\u5668\u60f3\u8c61\u6210\u4e24\u53f0linux\u670d\u52a1\u5668\u7684\u8bdd\uff0c\u90a3\u4e48\u8fd9\u4e2a\u547d\u4ee4\u5c31\u7c7b\u4f3c\u4e8escp\uff0c\u53ea\u662fscp\u9700\u8981\u52a0\u7528\u6237\u540d\u548c\u5bc6\u7801\u7684\u6743\u9650\u9a8c\u8bc1\uff0c\u800cADD\u4e0d\u7528\u3002<br>\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1. ADD &lt;src>... &lt;dest>\n2. ADD &#91;\"&lt;src>\",... \"&lt;dest>\"]<\/code><\/pre>\n\n\n\n<p>\u8def\u5f84\u7684\u586b\u5199\u53ef\u4ee5\u662f\u5bb9\u5668\u5185\u7684\u7edd\u5bf9\u8def\u5f84\uff0c\u4e5f\u53ef\u4ee5\u662f\u76f8\u5bf9\u4e8e\u5de5\u4f5c\u76ee\u5f55\u7684\u76f8\u5bf9\u8def\u5f84\uff0c\u63a8\u8350\u5199\u6210\u7edd\u5bf9\u8def\u5f84<\/p>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<p>\u53ef\u4ee5\u662f\u4e00\u4e2a\u672c\u5730\u6587\u4ef6\u6216\u8005\u662f\u4e00\u4e2a\u672c\u5730\u538b\u7f29\u6587\u4ef6\uff0c\u8fd8\u53ef\u4ee5\u662f\u4e00\u4e2aurl<\/p>\n\n\n\n<p>\u5982\u679c\u628a\u5199\u6210\u4e00\u4e2aurl\uff0c\u90a3\u4e48ADD\u5c31\u7c7b\u4f3c\u4e8ewget\u547d\u4ee4<br>\u793a\u4f8b<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ADD test relativeDir\/\nADD test \/relativeDir\nADD http:\/\/example.com\/foobar \/<\/code><\/pre>\n\n\n\n<p><br>\u6ce8\u610f\u4e8b\u9879<\/p>\n\n\n\n<p>src\u4e3a\u4e00\u4e2a\u76ee\u5f55\u7684\u65f6\u5019\uff0c\u4f1a\u81ea\u52a8\u628a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u590d\u5236\u8fc7\u53bb\uff0c\u76ee\u5f55\u672c\u8eab\u4e0d\u4f1a\u590d\u5236<br>\u5982\u679csrc\u4e3a\u591a\u4e2a\u6587\u4ef6\uff0cdest\u4e00\u5b9a\u8981\u662f\u4e00\u4e2a\u76ee\u5f55<br>COPY<br>\u770b\u8fd9\u4e2a\u540d\u5b57\u5c31\u77e5\u9053\uff0c\u53c8\u662f\u4e00\u4e2a\u590d\u5236\u547d\u4ee4<\/p>\n\n\n\n<p>\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>COPY &lt;src>... &lt;dest>\nCOPY &#91;\"&lt;src>\",... \"&lt;dest>\"]<\/code><\/pre>\n\n\n\n<p>\u4e0eADD\u7684\u533a\u522b<\/p>\n\n\n\n<p>COPY\u7684\u53ea\u80fd\u662f\u672c\u5730\u6587\u4ef6\uff0c\u5176\u4ed6\u7528\u6cd5\u4e00\u81f4<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>EXPOSE<\/h2>\n\n\n\n<p>EXPOSE<\/p>\n\n\n\n<p>\u529f\u80fd\u4e3a\u66b4\u6f0f\u5bb9\u5668\u8fd0\u884c\u65f6\u7684\u76d1\u542c\u7aef\u53e3\u7ed9\u5916\u90e8<\/p>\n\n\n\n<p>\u4f46\u662fEXPOSE\u5e76\u4e0d\u4f1a\u4f7f\u5bb9\u5668\u8bbf\u95ee\u4e3b\u673a\u7684\u7aef\u53e3<\/p>\n\n\n\n<p>\u5982\u679c\u60f3\u4f7f\u5f97\u5bb9\u5668\u4e0e\u4e3b\u673a\u7684\u7aef\u53e3\u6709\u6620\u5c04\u5173\u7cfb\uff0c\u5fc5\u987b\u5728\u5bb9\u5668\u542f\u52a8\u7684\u65f6\u5019\u52a0\u4e0a -P\u53c2\u6570<br>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>EXPOSE &lt;port>\/&lt;tcp\/udp><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">ENV<\/h2>\n\n\n\n<p>\u529f\u80fd\u4e3a\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/p>\n\n\n\n<p>\u8bed\u6cd5\u6709\u4e24\u79cd<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ENV &lt;key> &lt;value> \nENV &lt;key>=&lt;value> ...<\/code><\/pre>\n\n\n\n<p>\u4e24\u8005\u7684\u533a\u522b\u5c31\u662f\u7b2c\u4e00\u79cd\u662f\u4e00\u6b21\u8bbe\u7f6e\u4e00\u4e2a\uff0c\u7b2c\u4e8c\u79cd\u662f\u4e00\u6b21\u8bbe\u7f6e\u591a\u4e2a<\/p>\n\n\n\n<p>\u5728Dockerfile\u4e2d\u4f7f\u7528\u53d8\u91cf\u7684\u65b9\u5f0f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\n$varname\n${varname}\n${varname:-default value}\n$(varname:+default value}<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u548c\u7b2c\u4e8c\u79cd\u76f8\u540c<br>\u7b2c\u4e09\u79cd\u8868\u793a\u5f53\u53d8\u91cf\u4e0d\u5b58\u5728\u4f7f\u7528-\u53f7\u540e\u9762\u7684\u503c<br>\u7b2c\u56db\u79cd\u8868\u793a\u5f53\u53d8\u91cf\u5b58\u5728\u65f6\u4f7f\u7528+\u53f7\u540e\u9762\u7684\u503c\uff08\u5f53\u7136\u4e0d\u5b58\u5728\u4e5f\u662f\u4f7f\u7528\u540e\u9762\u7684\u503c\uff09<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>RUN<\/h2>\n\n\n\n<p>\u529f\u80fd\u4e3a\u8fd0\u884c\u6307\u5b9a\u7684\u547d\u4ee4<br>RUN\u547d\u4ee4\u6709\u4e24\u79cd\u683c\u5f0f<\/p>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>1. RUN &lt;command>\n2. RUN &#91;\"executable\", \"param1\", \"param2\"]\u7b2c\u4e00\u79cd\u540e\u8fb9\u76f4\u63a5\u8ddfshell\u547d\u4ee4<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\"><\/ol>\n\n\n\n<p>\u5728linux\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u9ed8\u8ba4 \/bin\/sh -c<br>\u5728windows\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u9ed8\u8ba4 cmd \/S \/C<br>\u7b2c\u4e8c\u79cd\u662f\u7c7b\u4f3c\u4e8e\u51fd\u6570\u8c03\u7528\u3002<\/p>\n\n\n\n<p>\u53ef\u5c06executable\u7406\u89e3\u6210\u4e3a\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u540e\u9762\u5c31\u662f\u4e24\u4e2a\u53c2\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>CMD<\/h2>\n\n\n\n<p>\u529f\u80fd\u4e3a\u5bb9\u5668\u542f\u52a8\u65f6\u9ed8\u8ba4\u547d\u4ee4\u6216\u53c2\u6570<\/p>\n\n\n\n<p>\u8bed\u6cd5\u6709\u4e09\u79cd\u5199\u6cd5<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CMD &#91;\"executable\",\"param1\",\"param2\"]\nCMD &#91;\"param1\",\"param2\"]\nCMD command param1 param2<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e09\u79cd\u6bd4\u8f83\u597d\u7406\u89e3\u4e86\uff0c\u5c31\u65f6shell\u8fd9\u79cd\u6267\u884c\u65b9\u5f0f\u548c\u5199\u6cd5<\/p>\n\n\n\n<p>\u7b2c\u4e00\u79cd\u548c\u7b2c\u4e8c\u79cd\u5176\u5b9e\u90fd\u662f\u53ef\u6267\u884c\u6587\u4ef6\u52a0\u4e0a\u53c2\u6570\u7684\u5f62\u5f0f<\/p>\n\n\n\n<p>\u4e3e\u4f8b\u8bf4\u660e\u4e24\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CMD &#91; \"sh\", \"-c\", \"echo $HOME\"\nCMD &#91; \"echo\", \"$HOME\" ]<\/code><\/pre>\n\n\n\n<p>\u8865\u5145\u7ec6\u8282\uff1a\u8fd9\u91cc\u8fb9\u5305\u62ec\u53c2\u6570\u7684\u4e00\u5b9a\u8981\u7528\u53cc\u5f15\u53f7\uff0c\u5c31\u662f&#8221;,\u4e0d\u80fd\u662f\u5355\u5f15\u53f7\u3002\u5343\u4e07\u4e0d\u80fd\u5199\u6210\u5355\u5f15\u53f7\u3002<\/p>\n\n\n\n<p>\u539f\u56e0\u662f\u53c2\u6570\u4f20\u9012\u540e\uff0cdocker\u89e3\u6790\u7684\u662f\u4e00\u4e2aJSON array<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RUN&amp;&amp;CMD<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4e0d\u8981\u628aRUN\u548cCMD\u641e\u6df7\u4e86\u3002<\/p>\n\n\n\n<p>RUN\u662f\u6784\u4ef6\u5bb9\u5668\u65f6\u5c31\u8fd0\u884c\u7684\u547d\u4ee4\u4ee5\u53ca\u63d0\u4ea4\u8fd0\u884c\u7ed3\u679c<\/p>\n\n\n\n<p>CMD\u662f\u5bb9\u5668\u542f\u52a8\u65f6\u6267\u884c\u7684\u547d\u4ee4\uff0c\u5728\u6784\u4ef6\u65f6\u5e76\u4e0d\u8fd0\u884c\uff0c\u6784\u4ef6\u65f6\u7d27\u7d27\u6307\u5b9a\u4e86\u8fd9\u4e2a\u547d\u4ee4\u5230\u5e95\u662f\u4e2a\u4ec0\u4e48\u6837\u5b50<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><br>ENTRYPOINT<\/h2>\n\n\n\n<p>\u529f\u80fd\u662f\uff1a\u5bb9\u5668\u542f\u52a8\u65f6\u8fd0\u884c\u5f97\u542f\u52a8\u547d\u4ee4<\/p>\n\n\n\n<p>\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ENTRYPOINT &#91;\"executable\", \"param1\", \"param2\"]\nENTRYPOINT command param1 param2<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u4ece\u4e0a\u5230\u4e0b\u770b\u5230\u8fd9\u91cc\u7684\u8bdd\uff0c\u90a3\u4e48\u4f60\u5e94\u8be5\u5bf9\u8fd9\u4e24\u79cd\u8bed\u6cd5\u5f88\u719f\u6089\u5566\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b2c\u4e8c\u79cd\u5c31\u662f\u5199shell (shell\u6267\u884c)<\/li>\n\n\n\n<li>\u7b2c\u4e00\u79cd\u5c31\u662f\u53ef\u6267\u884c\u6587\u4ef6\u52a0\u53c2\u6570\uff08EXEC\u8c03\u7528,\u53ef\u5728docker run\u542f\u52a8\u65f6\u4f20\u9012\u53c2\u6570\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u4e0eCMD\u6bd4\u8f83\u8bf4\u660e\uff08\u8fd9\u4fe9\u547d\u4ee4\u592a\u50cf\u4e86\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u914d\u5408\u4f7f\u7528\uff09\uff1a<\/p>\n\n\n\n<p>\u76f8\u540c\u70b9\uff1a<br>\u53ea\u80fd\u5199\u4e00\u6761\uff0c\u5982\u679c\u5199\u4e86\u591a\u6761\uff0c\u90a3\u4e48\u53ea\u6709\u6700\u540e\u4e00\u6761\u751f\u6548<br>\u5bb9\u5668\u542f\u52a8\u65f6\u624d\u8fd0\u884c\uff0c\u8fd0\u884c\u65f6\u673a\u76f8\u540c<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u540c\u70b9\uff1a<br>ENTRYPOINT\u4e0d\u4f1a\u88ab\u8fd0\u884c\u7684command\u8986\u76d6\uff0c\u800cCMD\u5219\u4f1a\u88ab\u8986\u76d6<\/li>\n\n\n\n<li>\u5982\u679c\u6211\u4eec\u5728Dockerfile\u79cd\u540c\u65f6\u5199\u4e86ENTRYPOINT\u548cCMD\uff0c\u5e76\u4e14CMD\u6307\u4ee4\u4e0d\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u53ef\u6267\u884c\u547d\u4ee4\uff0c\u90a3\u4e48CMD\u6307\u5b9a\u7684\u5185\u5bb9\u5c06\u4f1a\u4f5c\u4e3aENTRYPOINT\u7684\u53c2\u6570<\/li>\n<\/ul>\n\n\n\n<p>\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FROM ubuntu\nENTRYPOINT &#91;\"top\", \"-b\"]\nCMD &#91;\"-c\"]<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u5728Dockerfile\u79cd\u540c\u65f6\u5199\u4e86ENTRYPOINT\u548cCMD\uff0c\u5e76\u4e14CMD\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6307\u4ee4\uff0c\u90a3\u4e48\u5b83\u4eec\u4e24\u4e2a\u4f1a\u4e92\u76f8\u8986\u76d6\uff0c\u8c01\u5728\u6700\u540e\u8c01\u751f\u6548<\/p>\n\n\n\n<p>\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FROM ubuntu\nENTRYPOINT &#91;\"top\", \"-b\"]\nCMD ls -al<\/code><\/pre>\n\n\n\n<p>\u90a3\u4e48\u5c06\u6267\u884cls -al ,top -b\u4e0d\u4f1a\u6267\u884c\u3002<\/p>\n\n\n\n<p>Docker\u5b98\u65b9\u4f7f\u7528\u4e00\u5f20\u8868\u683c\u6765\u5c55\u793a\u4e86ENTRYPOINT \u548c<br>CMD\u4e0d\u540c\u7ec4\u5408\u7684\u6267\u884c\u60c5\u51b5<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"639\" height=\"412\" src=\"https:\/\/blog.nimail.cn\/wp-content\/uploads\/2025\/04\/image-9.png\" alt=\"\" class=\"wp-image-199\" srcset=\"https:\/\/blog.nimail.cn\/wp-content\/uploads\/2025\/04\/image-9.png 639w, https:\/\/blog.nimail.cn\/wp-content\/uploads\/2025\/04\/image-9-300x193.png 300w\" sizes=\"auto, (max-width: 639px) 100vw, 639px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">VOLUME<\/h2>\n\n\n\n<p>\u53ef\u5b9e\u73b0\u6302\u8f7d\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u5bbf\u4e3b\u673a\u76ee\u5f55\u6302\u8f7d\u5230\u5bb9\u5668\u4e2d<\/p>\n\n\n\n<p>\u8bf4\u7684\u8fd9\u91cc\u5927\u5bb6\u90fd\u61c2\u4e86\uff0c\u53ef\u7528\u4e13\u7528\u7684\u6587\u4ef6\u5b58\u50a8\u5f53\u4f5cDocker\u5bb9\u5668\u7684\u6570\u636e\u5b58\u50a8\u90e8\u5206<\/p>\n\n\n\n<p>\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>VOLUME &#91;\"\/data\"]<\/code><\/pre>\n\n\n\n<p>\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p>[\u201c\/data\u201d]\u53ef\u4ee5\u662f\u4e00\u4e2aJsonArray \uff0c\u4e5f\u53ef\u4ee5\u662f\u591a\u4e2a\u503c\u3002\u6240\u4ee5\u5982\u4e0b\u51e0\u79cd\u5199\u6cd5\u90fd\u662f\u6b63\u786e\u7684<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>VOLUME &#91;\"\/var\/log\/\"]\nVOLUME \/var\/log\nVOLUME \/var\/log \/var\/db<\/code><\/pre>\n\n\n\n<p>\u4e00\u822c\u7684\u4f7f\u7528\u573a\u666f\u4e3a\u9700\u8981\u6301\u4e45\u5316\u5b58\u50a8\u6570\u636e\u65f6<\/p>\n\n\n\n<p>\u5bb9\u5668\u4f7f\u7528\u7684\u662fAUFS\uff0c\u8fd9\u79cd\u6587\u4ef6\u7cfb\u7edf\u4e0d\u80fd\u6301\u4e45\u5316\u6570\u636e\uff0c\u5f53\u5bb9\u5668\u5173\u95ed\u540e\uff0c\u6240\u6709\u7684\u66f4\u6539\u90fd\u4f1a\u4e22\u5931\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u5f53\u6570\u636e\u9700\u8981\u6301\u4e45\u5316\u65f6\u7528\u8fd9\u4e2a\u547d\u4ee4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">USER<\/h2>\n\n\n\n<p>\u8bbe\u7f6e\u542f\u52a8\u5bb9\u5668\u7684\u7528\u6237\uff0c\u53ef\u4ee5\u662f\u7528\u6237\u540d\u6216UID\uff0c\u6240\u4ee5\uff0c\u53ea\u6709\u4e0b\u9762\u7684\u4e24\u79cd\u5199\u6cd5\u662f\u6b63\u786e\u7684<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>USER daemo\nUSER UID<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f\uff1a\u5982\u679c\u8bbe\u7f6e\u4e86\u5bb9\u5668\u4ee5daemon\u7528\u6237\u53bb\u8fd0\u884c\uff0c\u90a3\u4e48RUN, CMD \u548c ENTRYPOINT \u90fd\u4f1a\u4ee5\u8fd9\u4e2a\u7528\u6237\u53bb\u8fd0\u884c,<br>\u4f7f\u7528\u8fd9\u4e2a\u547d\u4ee4\u4e00\u5b9a\u8981\u786e\u8ba4\u5bb9\u5668\u4e2d\u62e5\u6709\u8fd9\u4e2a\u7528\u6237\uff0c\u5e76\u4e14\u62e5\u6709\u8db3\u591f\u6743\u9650<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">WORKDIR<\/h2>\n\n\n\n<p>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>WORKDIR \/path\/to\/workdir<\/code><\/pre>\n\n\n\n<p>\u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\uff0c\u5bf9RUN,CMD,ENTRYPOINT,COPY,ADD\u751f\u6548\u3002\u5982\u679c\u4e0d\u5b58\u5728\u5219\u4f1a\u521b\u5efa\uff0c\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u591a\u6b21\u3002<\/p>\n\n\n\n<p>\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>WORKDIR \/a\nWORKDIR b\nWORKDIR c\nRUN pwd<\/code><\/pre>\n\n\n\n<p>pwd\u6267\u884c\u7684\u7ed3\u679c\u662f\/a\/b\/c<\/p>\n\n\n\n<p>WORKDIR\u4e5f\u53ef\u4ee5\u89e3\u6790\u73af\u5883\u53d8\u91cf<\/p>\n\n\n\n<p>\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ENV DIRPATH \/path\nWORKDIR $DIRPATH\/$DIRNAME\nRUN pwd<\/code><\/pre>\n\n\n\n<p>pwd\u7684\u6267\u884c\u7ed3\u679c\u662f\/path\/$DIRNAME<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ARG<\/h2>\n\n\n\n<p>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ARG &#91;=]<\/code><\/pre>\n\n\n\n<p>\u8bbe\u7f6e\u53d8\u91cf\u547d\u4ee4\uff0cARG\u547d\u4ee4\u5b9a\u4e49\u4e86\u4e00\u4e2a\u53d8\u91cf\uff0c\u5728docker build\u521b\u5efa\u955c\u50cf\u7684\u65f6\u5019\uff0c\u4f7f\u7528 &#8211;build-arg =\u6765\u6307\u5b9a\u53c2\u6570<\/p>\n\n\n\n<p>\u5982\u679c\u7528\u6237\u5728build\u955c\u50cf\u65f6\u6307\u5b9a\u4e86\u4e00\u4e2a\u53c2\u6570\u6ca1\u6709\u5b9a\u4e49\u5728Dockerfile\u79cd\uff0c\u90a3\u4e48\u5c06\u6709\u4e00\u4e2aWarning<\/p>\n\n\n\n<p>\u63d0\u793a\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&#91;Warning] One or more build-args &#91;foo] were not consumed.<\/code><\/pre>\n\n\n\n<p>\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u6216\u591a\u4e2a\u53c2\u6570\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FROM busybox\nARG user1\nARG buildno<\/code><\/pre>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u7ed9\u53c2\u6570\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>FROM busybox\nARG user1=someuser\nARG buildno=1<\/code><\/pre>\n\n\n\n<p>\u2026<br>\u5982\u679c\u6211\u4eec\u7ed9\u4e86ARG\u5b9a\u4e49\u7684\u53c2\u6570\u9ed8\u8ba4\u503c\uff0c\u90a3\u4e48\u5f53build\u955c\u50cf\u65f6\u6ca1\u6709\u6307\u5b9a\u53c2\u6570\u503c\uff0c\u5c06\u4f1a\u4f7f\u7528\u8fd9\u4e2a\u9ed8\u8ba4\u503c<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ONBUILD<\/h2>\n\n\n\n<p>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ONBUILD &#91;INSTRUCTION]<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a\u547d\u4ee4\u53ea\u5bf9\u5f53\u524d\u955c\u50cf\u7684\u5b50\u955c\u50cf\u751f\u6548\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\u5f53\u524d\u955c\u50cf\u4e3aA\uff0c\u5728Dockerfile\u79cd\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ONBUILD RUN ls -al<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e2a ls -al \u547d\u4ee4\u4e0d\u4f1a\u5728A\u955c\u50cf\u6784\u5efa\u6216\u542f\u52a8\u7684\u65f6\u5019\u6267\u884c<br>\u6b64\u65f6\u6709\u4e00\u4e2a\u955c\u50cfB\u662f\u57fa\u4e8eA\u955c\u50cf\u6784\u5efa\u7684\uff0c\u90a3\u4e48\u8fd9\u4e2als -al \u547d\u4ee4\u4f1a\u5728B\u955c\u50cf\u6784\u5efa\u7684\u65f6\u5019\u88ab\u6267\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">STOPSIGNAL<\/h2>\n\n\n\n<p>\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>STOPSIGNAL signal<\/code><\/pre>\n\n\n\n<p>STOPSIGNAL\u547d\u4ee4\u662f\u7684\u4f5c\u7528\u662f\u5f53\u5bb9\u5668\u505c\u6b62\u65f6\u7ed9\u7cfb\u7edf\u53d1\u9001\u4ec0\u4e48\u6837\u7684\u6307\u4ee4\uff0c\u9ed8\u8ba4\u662f15<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">HEALTHCHECK<\/h2>\n\n\n\n<p>\u5bb9\u5668\u5065\u5eb7\u72b6\u51b5\u68c0\u67e5\u547d\u4ee4<\/p>\n\n\n\n<p>\u8bed\u6cd5\u6709\u4e24\u79cd\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HEALTHCHECK &#91;OPTIONS] CMD command\nHEALTHCHECK NONE<\/code><\/pre>\n\n\n\n<p>\u7b2c\u4e00\u4e2a\u7684\u529f\u80fd\u662f\u5728\u5bb9\u5668\u5185\u90e8\u8fd0\u884c\u4e00\u4e2a\u547d\u4ee4\u6765\u68c0\u67e5\u5bb9\u5668\u7684\u5065\u5eb7\u72b6\u51b5<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u4e2a\u7684\u529f\u80fd\u662f\u5728\u57fa\u7840\u955c\u50cf\u4e2d\u53d6\u6d88\u5065\u5eb7\u68c0\u67e5\u547d\u4ee4<\/p>\n\n\n\n<p>[OPTIONS]\u7684\u9009\u9879\u652f\u6301\u4ee5\u4e0b\u4e09\u4e2d\u9009\u9879\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2013interval=DURATION \u4e24\u6b21\u68c0\u67e5\u9ed8\u8ba4\u7684\u65f6\u95f4\u95f4\u9694\u4e3a30\u79d2<\/li>\n\n\n\n<li>\u2013timeout=DURATION \u5065\u5eb7\u68c0\u67e5\u547d\u4ee4\u8fd0\u884c\u8d85\u65f6\u65f6\u957f\uff0c\u9ed8\u8ba430\u79d2<\/li>\n\n\n\n<li>\u2013retries=N \u5f53\u8fde\u7eed\u5931\u8d25\u6307\u5b9a\u6b21\u6570\u540e\uff0c\u5219\u5bb9\u5668\u88ab\u8ba4\u4e3a\u662f\u4e0d\u5065\u5eb7\u7684\uff0c\u72b6\u6001\u4e3aunhealthy\uff0c\u9ed8\u8ba4\u6b21\u6570\u662f3<\/li>\n<\/ul>\n\n\n\n<p>\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p>HEALTHCHECK\u547d\u4ee4\u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\uff0c\u5982\u679c\u51fa\u73b0\u4e86\u591a\u6b21\uff0c\u53ea\u6709\u6700\u540e\u4e00\u4e2a\u751f\u6548\u3002<\/p>\n\n\n\n<p>CMD\u540e\u8fb9\u7684\u547d\u4ee4\u7684\u8fd4\u56de\u503c\u51b3\u5b9a\u4e86\u672c\u6b21\u5065\u5eb7\u68c0\u67e5\u662f\u5426\u6210\u529f\uff0c\u5177\u4f53\u7684\u8fd4\u56de\u503c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0: success &#8211; \u8868\u793a\u5bb9\u5668\u662f\u5065\u5eb7\u7684<\/li>\n\n\n\n<li>1: unhealthy &#8211; \u8868\u793a\u5bb9\u5668\u5df2\u7ecf\u4e0d\u80fd\u5de5\u4f5c\u4e86<\/li>\n\n\n\n<li>2: reserved &#8211; \u4fdd\u7559\u503c<\/li>\n<\/ul>\n\n\n\n<p>\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HEALTHCHECK --interval=5m --timeout=3s \\\nCMD curl -f http:\/\/localhost\/ || exit 1<\/code><\/pre>\n\n\n\n<p>\u5065\u5eb7\u68c0\u67e5\u547d\u4ee4\u662f\uff1acurl -f http:\/\/localhost\/ || exit 1<\/p>\n\n\n\n<p>\u4e24\u6b21\u68c0\u67e5\u7684\u95f4\u9694\u65f6\u95f4\u662f5\u79d2<\/p>\n\n\n\n<p>\u547d\u4ee4\u8d85\u65f6\u65f6\u95f4\u4e3a3\u79d2<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u73af\u5883\u4ecb\u7ecd1.Dockerfile\u4e2d\u6240\u7528\u7684\u6240\u6709\u6587\u4ef6\u4e00\u5b9a\u8981\u548cDockerfile\u6587\u4ef6\u5728\u540c\u4e00\u7ea7\u7236\u76ee\u5f55\u4e0b\uff0c\u53ef\u4ee5\u4e3aDockerfile\u7236\u76ee\u5f55\u7684\u5b50\u76ee\u5f552.Dockerfile\u4e2d\u76f8\u5bf9\u8def\u5f84\u9ed8\u8ba4\u90fd\u662fDockerfile\u6240\u5728\u7684\u76ee\u5f553.Dockerfile\u4e2d\u4e00\u5b9a\u8981\u60dc\u5b57\u5982\u91d1\uff0c\u80fd\u5199\u5230\u4e00\u884c\u7684\u6307\u4ee4\uff0c\u4e00\u5b9a\u8981\u5199\u5230\u4e00\u884c\uff0c\u539f\u56e0\u662f\u5206\u5c42\u6784\u5efa\uff0c\u8054\u5408\u6302\u8f7d\u8fd9\u4e2a\u7279\u6027\u3002Dockerfile\u4e2d\u6bcf\u4e00\u6761\u6307\u4ee4\u88ab\u89c6\u4e3a\u4e00\u5c424.Dockerfile\u4e2d\u6307\u660e\u5927\u5199\uff08\u7ea6&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[6,13],"class_list":["post-196","post","type-post","status-publish","format-standard","hentry","category-best-articles","tag-docker","tag-dockerfile"],"yoast_head":"<!-- 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