{"id":422161,"date":"2024-12-03T09:12:21","date_gmt":"2024-12-03T01:12:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/422161\/"},"modified":"2024-12-03T09:12:21","modified_gmt":"2024-12-03T01:12:21","slug":"docker%e5%ae%b9%e5%99%a8%e4%b8%ad%e7%9a%84%e7%ae%a1%e7%90%86%e5%91%98%e6%9d%83%e9%99%90%e6%8e%a7%e5%88%b6%ef%bc%9a%e5%a6%82%e4%bd%95%e6%9c%80%e5%b0%8f%e5%8c%96%e7%89%b9%e6%9d%83%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/422161\/","title":{"rendered":"Docker\u5bb9\u5668\u4e2d\u7684\u7ba1\u7406\u5458\u6743\u9650\u63a7\u5236\uff1a\u5982\u4f55\u6700\u5c0f\u5316\u7279\u6743\u64cd\u4f5c\uff1f"},"content":{"rendered":"<h1 id=\"docker%e5%ae%b9%e5%99%a8%e4%b8%ad%e7%9a%84%e7%ae%a1%e7%90%86%e5%91%98%e6%9d%83%e9%99%90%e6%8e%a7%e5%88%b6%ef%bc%9a%e5%a6%82%e4%bd%95%e6%9c%80%e5%b0%8f%e5%8c%96%e7%89%b9%e6%9d%83%e6%93%8d%e4%bd%9c-jWoqamwmLH\">Docker\u5bb9\u5668\u4e2d\u7684\u7ba1\u7406\u5458\u6743\u9650\u63a7\u5236\uff1a\u5982\u4f55\u6700\u5c0f\u5316\u7279\u6743\u64cd\u4f5c\uff1f<\/h1>\n<p>\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u548c\u8fd0\u7ef4\u4e2d\uff0cDocker\u5bb9\u5668\u56e0\u5176\u8f7b\u91cf\u7ea7\u548c\u9ad8\u6548\u6027\u800c\u53d7\u5230\u5e7f\u6cdb\u6b22\u8fce\u3002\u7136\u800c\uff0c\u968f\u7740\u5bb9\u5668\u5316\u6280\u672f\u7684\u666e\u53ca\uff0c\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u51f8\u663e\u3002\u5c24\u5176\u662f\u5728\u7ba1\u7406\u5458\u6743\u9650\u63a7\u5236\u65b9\u9762\uff0c\u5982\u4f55\u6700\u5c0f\u5316\u7279\u6743\u64cd\u4f5c\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002\u672c\u6587\u5c06\u63a2\u8ba8Docker\u5bb9\u5668\u4e2d\u7684\u6743\u9650\u7ba1\u7406\u7b56\u7565\uff0c\u5e2e\u52a9\u7528\u6237\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u5728\u4f7f\u7528Docker\u65f6\u4fdd\u62a4\u7cfb\u7edf\u5b89\u5168\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3docker%e7%9a%84%e6%9d%83%e9%99%90%e6%a8%a1%e5%9e%8b-jWoqamwmLH\">\u7406\u89e3Docker\u7684\u6743\u9650\u6a21\u578b<\/h2>\n<p>Docker\u5bb9\u5668\u7684\u6743\u9650\u6a21\u578b\u57fa\u4e8eLinux\u5185\u6838\u7684\u7279\u6027\uff0c\u4e3b\u8981\u901a\u8fc7\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\u548c\u63a7\u5236\u7ec4\uff08cgroup\uff09\u6765\u5b9e\u73b0\u8d44\u6e90\u7684\u9694\u79bb\u548c\u9650\u5236\u3002\u547d\u540d\u7a7a\u95f4\u786e\u4fdd\u4e86\u6bcf\u4e2a\u5bb9\u5668\u90fd\u6709\u81ea\u5df1\u7684\u8fdb\u7a0b\u7a7a\u95f4\u3001\u7f51\u7edc\u7a7a\u95f4\u548c\u6587\u4ef6\u7cfb\u7edf\u7b49\uff0c\u800c\u63a7\u5236\u7ec4\u5219\u9650\u5236\u4e86\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u3002<\/p>\n<p>\u5c3d\u7ba1Docker\u63d0\u4f9b\u4e86\u8fd9\u4e9b\u9694\u79bb\u673a\u5236\uff0c\u4f46\u5bb9\u5668\u5185\u7684\u8fdb\u7a0b\u4ecd\u7136\u53ef\u4ee5\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u9690\u60a3\u3002\u56e0\u6b64\uff0c\u5408\u7406\u914d\u7f6e\u5bb9\u5668\u7684\u6743\u9650\u662f\u786e\u4fdd\u5b89\u5168\u7684\u5173\u952e\u3002<\/p>\n<h2 id=\"%e6%9c%80%e5%b0%8f%e5%8c%96%e7%89%b9%e6%9d%83%e6%93%8d%e4%bd%9c%e7%9a%84%e7%ad%96%e7%95%a5-jWoqamwmLH\">\u6700\u5c0f\u5316\u7279\u6743\u64cd\u4f5c\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e9%81%bf%e5%85%8d%e4%bb%a5root%e7%94%a8%e6%88%b7%e8%bf%90%e8%a1%8c%e5%ae%b9%e5%99%a8-jWoqamwmLH\">1. \u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u5bb9\u5668<\/h3>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDocker\u5bb9\u5668\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u4f7f\u5f97\u5bb9\u5668\u5185\u7684\u4efb\u4f55\u8fdb\u7a0b\u90fd\u62e5\u6709\u5b8c\u5168\u7684\u7cfb\u7edf\u6743\u9650\u3002\u4e3a\u4e86\u964d\u4f4e\u98ce\u9669\uff0c\u5efa\u8bae\u5728Dockerfile\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u6307\u4ee4\u521b\u5efa\u975e\u7279\u6743\u7528\u6237\uff1a<\/p>\n<pre><code>FROM ubuntu:latest\nRUN useradd -ms \/bin\/bash newuser\nUSER newuser\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5bb9\u5668\u5185\u7684\u8fdb\u7a0b\u5c06\u4ee5\u65b0\u521b\u5efa\u7684\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u4ece\u800c\u9650\u5236\u5176\u6743\u9650\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8docker%e7%9a%84%e7%94%a8%e6%88%b7%e5%91%bd%e5%90%8d%e7%a9%ba%e9%97%b4-jWoqamwmLH\">2. \u4f7f\u7528Docker\u7684\u7528\u6237\u547d\u540d\u7a7a\u95f4<\/h3>\n<p>Docker\u652f\u6301\u7528\u6237\u547d\u540d\u7a7a\u95f4\u529f\u80fd\uff0c\u53ef\u4ee5\u5c06\u5bb9\u5668\u5185\u7684\u7528\u6237\u6620\u5c04\u5230\u5bbf\u4e3b\u673a\u4e0a\u7684\u4e0d\u540c\u7528\u6237\u3002\u542f\u7528\u7528\u6237\u547d\u540d\u7a7a\u95f4\u540e\uff0c\u5bb9\u5668\u5185\u7684root\u7528\u6237\u5c06\u4e0d\u518d\u5177\u6709\u5bbf\u4e3b\u673a\u7684root\u6743\u9650\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u542f\u7528\u7528\u6237\u547d\u540d\u7a7a\u95f4\uff1a<\/p>\n<pre><code>{\n  \"userns-remap\": \"default\"\n}\n<\/code><\/pre>\n<p>\u5728Docker\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e0a\u8ff0\u5185\u5bb9\u540e\uff0c\u91cd\u542fDocker\u670d\u52a1\u5373\u53ef\u751f\u6548\u3002<\/p>\n<h3 id=\"3-%e9%99%90%e5%88%b6%e5%ae%b9%e5%99%a8%e7%9a%84%e8%83%bd%e5%8a%9b-jWoqamwmLH\">3. \u9650\u5236\u5bb9\u5668\u7684\u80fd\u529b<\/h3>\n<p>Docker\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8bbe\u7f6e\u80fd\u529b\uff08capabilities\uff09\u6765\u63a7\u5236\u5bb9\u5668\u7684\u7279\u6743\u64cd\u4f5c\u3002\u53ef\u4ee5\u4f7f\u7528`--cap-drop`\u9009\u9879\u6765\u79fb\u9664\u4e0d\u5fc5\u8981\u7684\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u5e76\u79fb\u9664\u6240\u6709\u80fd\u529b\uff1a<\/p>\n<pre><code>docker run --cap-drop ALL myimage\n<\/code><\/pre>\n<p>\u7136\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9010\u4e2a\u6dfb\u52a0\u6240\u9700\u7684\u80fd\u529b\uff0c\u786e\u4fdd\u5bb9\u5668\u4ec5\u62e5\u6709\u6267\u884c\u5176\u529f\u80fd\u6240\u9700\u7684\u6700\u5c0f\u6743\u9650\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e5%ae%89%e5%85%a8%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6-jWoqamwmLH\">4. \u4f7f\u7528\u5b89\u5168\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>Docker\u8fd8\u652f\u6301\u4f7f\u7528\u5b89\u5168\u914d\u7f6e\u6587\u4ef6\uff08seccomp\uff09\u6765\u9650\u5236\u7cfb\u7edf\u8c03\u7528\u3002\u901a\u8fc7\u5b9a\u4e49\u4e00\u4e2aseccomp\u914d\u7f6e\u6587\u4ef6\uff0c\u53ef\u4ee5\u963b\u6b62\u5bb9\u5668\u6267\u884c\u67d0\u4e9b\u7cfb\u7edf\u8c03\u7528\uff0c\u4ece\u800c\u964d\u4f4e\u653b\u51fb\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684seccomp\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<pre><code>{\n  \"defaultAction\": \"SCMP_ACT_ALLOW\",\n  \"syscalls\": [\n    {\n      \"name\": \"execve\",\n      \"action\": \"SCMP_ACT_ERRNO\"\n    }\n  ]\n}\n<\/code><\/pre>\n<p>\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7`--security-opt seccomp=your-seccomp.json`\u9009\u9879\u6765\u5e94\u7528\u8be5\u914d\u7f6e\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-jWoqamwmLH\">\u603b\u7ed3<\/h2>\n<p>\u5728Docker\u5bb9\u5668\u4e2d\u5b9e\u65bd\u6709\u6548\u7684\u7ba1\u7406\u5458\u6743\u9650\u63a7\u5236\u662f\u786e\u4fdd\u7cfb\u7edf\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u901a\u8fc7\u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u5bb9\u5668\u3001\u542f\u7528\u7528\u6237\u547d\u540d\u7a7a\u95f4\u3001\u9650\u5236\u5bb9\u5668\u80fd\u529b\u4ee5\u53ca\u4f7f\u7528\u5b89\u5168\u914d\u7f6e\u6587\u4ef6\u7b49\u7b56\u7565\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u7279\u6743\u64cd\u4f5c\u5e26\u6765\u7684\u98ce\u9669\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u4e91\u73af\u5883\u4e2d\u90e8\u7f72\u5b89\u5168\u53ef\u9760\u5e94\u7528\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u81f3\u5173\u91cd\u8981\u3002\u540e\u6d6a\u4e91\u63d0\u4f9b\u591a\u79cd\u4e91\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec<a href=\"https:\/\/idc.net\">\u9999\u6e2fvps<\/a>\u3001<a href=\"https:\/\/idc.net\">\u7f8e\u56fdvps<\/a>\u7b49\uff0c\u5e2e\u52a9\u7528\u6237\u6784\u5efa\u5b89\u5168\u7684\u5e94\u7528\u73af\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Docker\u5bb9\u5668\u4e2d\u7684\u7ba1\u7406\u5458\u6743\u9650\u63a7\u5236\uff0c\u5b66\u4e60\u5982\u4f55\u6709\u6548\u6700\u5c0f\u5316\u7279\u6743\u64cd\u4f5c\u4ee5\u589e\u5f3a\u5b89\u5168\u6027\u548c\u964d\u4f4e\u98ce\u9669\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[202757],"tags":[],"class_list":["post-422161","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/422161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=422161"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/422161\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=422161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=422161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=422161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}