{"id":13138,"date":"2024-11-15T15:48:10","date_gmt":"2024-11-15T07:48:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13138\/"},"modified":"2024-11-15T15:48:10","modified_gmt":"2024-11-15T07:48:10","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87docker%e5%ae%b9%e5%99%a8%e7%9a%84%e8%bf%9b%e7%a8%8b%e9%9a%94%e7%a6%bb%e6%8f%90%e5%8d%87%e5%ae%b9%e5%99%a8%e5%ba%94%e7%94%a8%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13138\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\u63d0\u5347\u5bb9\u5668\u5e94\u7528\u7684\u5b89\u5168\u6027\uff1f"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87docker%e5%ae%b9%e5%99%a8%e7%9a%84%e8%bf%9b%e7%a8%8b%e9%9a%94%e7%a6%bb%e6%8f%90%e5%8d%87%e5%ae%b9%e5%99%a8%e5%ba%94%e7%94%a8%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7-NKnYAkIOXm\">\u5982\u4f55\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\u63d0\u5347\u5bb9\u5668\u5e94\u7528\u7684\u5b89\u5168\u6027\uff1f<\/h1>\n<p>\u968f\u7740\u4e91\u8ba1\u7b97\u548c\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0cDocker\u5bb9\u5668\u5df2\u6210\u4e3a\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u5de5\u5177\u3002Docker\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u8f7b\u91cf\u7ea7\u7684\u865a\u62df\u5316\u89e3\u51b3\u65b9\u6848\uff0c\u8fd8\u901a\u8fc7\u8fdb\u7a0b\u9694\u79bb\u6280\u672f\u63d0\u5347\u4e86\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\u6765\u589e\u5f3a\u5bb9\u5668\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afdocker%e5%ae%b9%e5%99%a8%e7%9a%84%e8%bf%9b%e7%a8%8b%e9%9a%94%e7%a6%bb%ef%bc%9f-NKnYAkIOXm\">\u4ec0\u4e48\u662fDocker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\uff1f<\/h2>\n<p>Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\u662f\u6307\u5728\u5bb9\u5668\u4e2d\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u4e0e\u5bbf\u4e3b\u673a\u53ca\u5176\u4ed6\u5bb9\u5668\u4e4b\u95f4\u7684\u9694\u79bb\u3002\u6bcf\u4e2aDocker\u5bb9\u5668\u90fd\u6709\u81ea\u5df1\u7684\u6587\u4ef6\u7cfb\u7edf\u3001\u7f51\u7edc\u63a5\u53e3\u548c\u8fdb\u7a0b\u7a7a\u95f4\uff0c\u8fd9\u4f7f\u5f97\u5bb9\u5668\u5185\u7684\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u76f4\u63a5\u8bbf\u95ee\u5bbf\u4e3b\u673a\u6216\u5176\u4ed6\u5bb9\u5668\u7684\u8d44\u6e90\u3002\u8fd9\u79cd\u9694\u79bb\u673a\u5236\u662f\u901a\u8fc7Linux\u5185\u6838\u7684\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\u548c\u63a7\u5236\u7ec4\uff08cgroup\uff09\u5b9e\u73b0\u7684\u3002<\/p>\n<h2 id=\"%e8%bf%9b%e7%a8%8b%e9%9a%94%e7%a6%bb%e7%9a%84%e5%ae%9e%e7%8e%b0%e6%9c%ba%e5%88%b6-NKnYAkIOXm\">\u8fdb\u7a0b\u9694\u79bb\u7684\u5b9e\u73b0\u673a\u5236<\/h2>\n<ul>\n<li><strong>\u547d\u540d\u7a7a\u95f4\uff08Namespace\uff09<\/strong>: \u547d\u540d\u7a7a\u95f4\u662fLinux\u5185\u6838\u63d0\u4f9b\u7684\u4e00\u79cd\u7279\u6027\uff0c\u5b83\u5141\u8bb8\u5c06\u7cfb\u7edf\u8d44\u6e90\u5206\u9694\u5f00\u6765\u3002Docker\u4f7f\u7528\u591a\u79cd\u547d\u540d\u7a7a\u95f4\u6765\u5b9e\u73b0\u8fdb\u7a0b\u9694\u79bb\uff0c\u5305\u62ec\uff1a\n<ul>\n<li><code>PID Namespace<\/code>: \u4f7f\u5f97\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u81ea\u5df1\u7684\u8fdb\u7a0bID\u7a7a\u95f4\uff0c\u5bb9\u5668\u5185\u7684\u8fdb\u7a0b\u65e0\u6cd5\u770b\u5230\u5bbf\u4e3b\u673a\u6216\u5176\u4ed6\u5bb9\u5668\u7684\u8fdb\u7a0b\u3002<\/li>\n<li><code>Network Namespace<\/code>: \u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u72ec\u7acb\u7684\u7f51\u7edc\u6808\uff0c\u5bb9\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u6d41\u91cf\u662f\u9694\u79bb\u7684\u3002<\/li>\n<li><code>Mount Namespace<\/code>: \u5141\u8bb8\u5bb9\u5668\u62e5\u6709\u72ec\u7acb\u7684\u6587\u4ef6\u7cfb\u7edf\u89c6\u56fe\uff0c\u786e\u4fdd\u5bb9\u5668\u5185\u7684\u6587\u4ef6\u7cfb\u7edf\u4e0e\u5bbf\u4e3b\u673a\u9694\u79bb\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u63a7\u5236\u7ec4\uff08Cgroup\uff09<\/strong>: \u63a7\u5236\u7ec4\u7528\u4e8e\u9650\u5236\u548c\u76d1\u63a7\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u5305\u62ecCPU\u3001\u5185\u5b58\u548cI\/O\u7b49\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u67d0\u4e2a\u5bb9\u5668\u6d88\u8017\u8fc7\u591a\u8d44\u6e90\uff0c\u4ece\u800c\u5f71\u54cd\u5bbf\u4e3b\u673a\u548c\u5176\u4ed6\u5bb9\u5668\u7684\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%8f%90%e5%8d%87%e5%ae%89%e5%85%a8%e6%80%a7%e7%9a%84%e7%ad%96%e7%95%a5-NKnYAkIOXm\">\u63d0\u5347\u5b89\u5168\u6027\u7684\u7b56\u7565<\/h2>\n<p>\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u7b56\u7565\u6765\u63d0\u5347\u5e94\u7528\u7684\u5b89\u5168\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u6700\u5c0f\u6743\u9650\u539f\u5219<\/strong>: \u5728\u5bb9\u5668\u4e2d\u8fd0\u884c\u5e94\u7528\u65f6\uff0c\u5c3d\u91cf\u4f7f\u7528\u975e\u7279\u6743\u7528\u6237\u3002\u901a\u8fc7\u5728Dockerfile\u4e2d\u4f7f\u7528<code>USER<\/code>\u6307\u4ee4\uff0c\u53ef\u4ee5\u6307\u5b9a\u5bb9\u5668\u5185\u7684\u7528\u6237\uff0c\u4ece\u800c\u51cf\u5c11\u6f5c\u5728\u7684\u5b89\u5168\u98ce\u9669\u3002<\/li>\n<li><strong>\u9650\u5236\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528<\/strong>: \u4f7f\u7528Cgroup\u9650\u5236\u5bb9\u5668\u7684CPU\u548c\u5185\u5b58\u4f7f\u7528\uff0c\u9632\u6b62\u6076\u610f\u6216\u9519\u8bef\u7684\u5e94\u7528\u7a0b\u5e8f\u5360\u7528\u8fc7\u591a\u8d44\u6e90\u3002<\/li>\n<li><strong>\u5b9a\u671f\u66f4\u65b0\u548c\u8865\u4e01<\/strong>: \u786e\u4fddDocker\u5f15\u64ce\u548c\u5bb9\u5668\u955c\u50cf\u4fdd\u6301\u6700\u65b0\uff0c\u53ca\u65f6\u5e94\u7528\u5b89\u5168\u8865\u4e01\uff0c\u4ee5\u9632\u6b62\u5df2\u77e5\u6f0f\u6d1e\u88ab\u5229\u7528\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5b89\u5168\u7684\u57fa\u7840\u955c\u50cf<\/strong>: \u9009\u62e9\u7ecf\u8fc7\u5ba1\u67e5\u548c\u9a8c\u8bc1\u7684\u57fa\u7840\u955c\u50cf\uff0c\u907f\u514d\u4f7f\u7528\u4e0d\u660e\u6765\u6e90\u7684\u955c\u50cf\uff0c\u4ee5\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%ae%9e%e4%be%8b%e5%88%86%e6%9e%90-NKnYAkIOXm\">\u5b9e\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aWeb\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u5728Docker\u5bb9\u5668\u4e2d\u3002\u901a\u8fc7\u8bbe\u7f6ePID\u547d\u540d\u7a7a\u95f4\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u8be5\u5e94\u7528\u7a0b\u5e8f\u7684\u8fdb\u7a0bID\u4e0d\u4f1a\u4e0e\u5bbf\u4e3b\u673a\u6216\u5176\u4ed6\u5bb9\u5668\u7684\u8fdb\u7a0bID\u51b2\u7a81\u3002\u6b64\u5916\uff0c\u901a\u8fc7\u9650\u5236\u5bb9\u5668\u7684\u5185\u5b58\u4f7f\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u9632\u6b62\u8be5\u5e94\u7528\u7a0b\u5e8f\u56e0\u5185\u5b58\u6cc4\u6f0f\u800c\u5f71\u54cd\u6574\u4e2a\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<pre><code>FROM ubuntu:20.04\nRUN apt-get update &amp;&amp; apt-get install -y nginx\nUSER nobody\nCMD [\"nginx\", \"-g\", \"daemon off;\"]\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0Dockerfile\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86<code>USER nobody<\/code>\u6765\u786e\u4fddNginx\u4ee5\u975e\u7279\u6743\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u5b89\u5168\u6027\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-NKnYAkIOXm\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u5bb9\u5668\u5e94\u7528\u7684\u5b89\u5168\u6027\u3002\u5229\u7528\u547d\u540d\u7a7a\u95f4\u548c\u63a7\u5236\u7ec4\u6280\u672f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u8d44\u6e90\u7684\u9694\u79bb\u548c\u9650\u5236\uff0c\u4ece\u800c\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u3001\u9650\u5236\u8d44\u6e90\u4f7f\u7528\u3001\u5b9a\u671f\u66f4\u65b0\u548c\u4f7f\u7528\u5b89\u5168\u57fa\u7840\u955c\u50cf\u7b49\u7b56\u7565\uff0c\u90fd\u662f\u589e\u5f3a\u5bb9\u5668\u5b89\u5168\u6027\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<p>\u5bf9\u4e8e\u9700\u8981\u9ad8\u5b89\u5168\u6027\u548c\u9690\u79c1\u4fdd\u62a4\u7684\u7528\u6237\uff0c\u7c73\u4e91\u63d0\u4f9b\u4e86\u591a\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec<a href=\"https:\/\/fwq.ai\">\u7f8e\u56fdVPS<\/a>\u548c<a href=\"https:\/\/fwq.ai\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u786e\u4fdd\u60a8\u7684\u6570\u636e\u5b89\u5168\u548c\u9690\u79c1\u5f97\u5230\u5145\u5206\u4fdd\u62a4\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/fwq.ai\">\u7f51\u7ad9<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7Docker\u5bb9\u5668\u7684\u8fdb\u7a0b\u9694\u79bb\u63d0\u5347\u5bb9\u5668\u5e94\u7528\u7684\u5b89\u5168\u6027\uff1f 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