{"id":13108,"date":"2024-11-15T15:33:05","date_gmt":"2024-11-15T07:33:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13108\/"},"modified":"2024-11-15T15:33:05","modified_gmt":"2024-11-15T07:33:05","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8docker%e4%b8%ad%e5%ae%9e%e6%96%bd%e6%9c%80%e5%b0%8f%e6%9d%83%e9%99%90%e5%8e%9f%e5%88%99%e4%bb%a5%e6%8f%90%e9%ab%98%e5%ae%b9%e5%99%a8%e7%9a%84%e5%ae%89%e5%85%a8%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13108\/","title":{"rendered":"\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u4ee5\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff1f"},"content":{"rendered":"

\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u4ee5\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff1f<\/h1>\n

\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0cDocker\u5df2\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u7a0b\u5e8f\u53ca\u5176\u4f9d\u8d56\u9879\u6253\u5305\u5728\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u53ef\u79fb\u690d\u6027\u548c\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u968f\u7740\u5bb9\u5668\u5316\u6280\u672f\u7684\u666e\u53ca\uff0c\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u7a81\u51fa\u3002\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u662f\u63d0\u9ad8Docker\u5bb9\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u63aa\u65bd\u4e4b\u4e00\u3002<\/p>\n

\u4ec0\u4e48\u662f\u6700\u5c0f\u6743\u9650\u539f\u5219\uff1f<\/h2>\n

\u6700\u5c0f\u6743\u9650\u539f\u5219\uff08Principle of Least Privilege, PoLP\uff09\u662f\u4fe1\u606f\u5b89\u5168\u9886\u57df\u7684\u4e00\u9879\u57fa\u672c\u539f\u5219\uff0c\u6307\u7684\u662f\u7528\u6237\u3001\u7a0b\u5e8f\u6216\u7cfb\u7edf\u5728\u6267\u884c\u4efb\u52a1\u65f6\uff0c\u4ec5\u88ab\u6388\u4e88\u5b8c\u6210\u8be5\u4efb\u52a1\u6240\u9700\u7684\u6700\u4f4e\u6743\u9650\u3002\u8fd9\u4e00\u539f\u5219\u7684\u6838\u5fc3\u5728\u4e8e\u51cf\u5c11\u6f5c\u5728\u7684\u653b\u51fb\u9762\uff0c\u4ece\u800c\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002<\/p>\n

\u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u7684\u7b56\u7565<\/h2>\n

1. \u4f7f\u7528\u975e\u7279\u6743\u7528\u6237\u8fd0\u884c\u5bb9\u5668<\/h3>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDocker\u5bb9\u5668\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u9690\u60a3\u3002\u4e3a\u4e86\u964d\u4f4e\u98ce\u9669\uff0c\u5efa\u8bae\u5728Dockerfile\u4e2d\u521b\u5efa\u4e00\u4e2a\u975e\u7279\u6743\u7528\u6237\uff0c\u5e76\u4f7f\u7528\u8be5\u7528\u6237\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n

FROM ubuntu:20.04\n\n# \u521b\u5efa\u4e00\u4e2a\u975e\u7279\u6743\u7528\u6237\nRUN useradd -ms \/bin\/bash myuser\n\n# \u5207\u6362\u5230\u975e\u7279\u6743\u7528\u6237\nUSER myuser\n\n# \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\nCMD [\"myapp\"]\n<\/code><\/pre>\n
2. \u9650\u5236\u5bb9\u5668\u7684\u80fd\u529b<\/h3>\n
Docker\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8bbe\u7f6e\u80fd\u529b\uff08capabilities\uff09\u6765\u63a7\u5236\u5bb9\u5668\u7684\u6743\u9650\u3002\u53ef\u4ee5\u4f7f\u7528--cap-drop<\/code>\u9009\u9879\u6765\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u5e76\u5220\u9664\u6240\u6709\u80fd\u529b\uff1a<\/p>\n
docker run --cap-drop ALL myimage\n<\/code><\/pre>\n
\u7136\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9010\u4e2a\u6dfb\u52a0\u80fd\u529b\uff0c\u4ee5\u786e\u4fdd\u5bb9\u5668\u4ec5\u62e5\u6709\u6267\u884c\u5176\u4efb\u52a1\u6240\u9700\u7684\u80fd\u529b\u3002<\/p>\n
3. \u4f7f\u7528\u53ea\u8bfb\u6587\u4ef6\u7cfb\u7edf<\/h3>\n
\u5c06\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\u53ef\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u6216\u653b\u51fb\u8005\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u4fee\u6539\u3002\u53ef\u4ee5\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\u4f7f\u7528--read-only<\/code>\u9009\u9879\u6765\u5b9e\u73b0\uff1a<\/p>\n
docker run --read-only myimage\n<\/code><\/pre>\n
4. \u9650\u5236\u7f51\u7edc\u8bbf\u95ee<\/h3>\n
\u901a\u8fc7\u9650\u5236\u5bb9\u5668\u7684\u7f51\u7edc\u8bbf\u95ee\uff0c\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u653b\u51fb\u9762\u3002\u53ef\u4ee5\u4f7f\u7528Docker\u7684\u7f51\u7edc\u529f\u80fd\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u7f51\u7edc\uff0c\u5e76\u5c06\u5bb9\u5668\u8fde\u63a5\u5230\u7279\u5b9a\u7684\u7f51\u7edc\u4e0a\uff0c\u4ece\u800c\u63a7\u5236\u5b83\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u4f8b\u5982\uff1a<\/p>\n
docker network create mynetwork\ndocker run --network=mynetwork myimage\n<\/code><\/pre>\n
5. \u5b9a\u671f\u66f4\u65b0\u548c\u626b\u63cf\u955c\u50cf<\/h3>\n
\u4fdd\u6301Docker\u955c\u50cf\u7684\u6700\u65b0\u72b6\u6001\u662f\u786e\u4fdd\u5b89\u5168\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u5b9a\u671f\u66f4\u65b0\u57fa\u7840\u955c\u50cf\uff0c\u5e76\u4f7f\u7528\u5b89\u5168\u626b\u63cf\u5de5\u5177\uff08\u5982Trivy\u6216Clair\uff09\u68c0\u67e5\u955c\u50cf\u4e2d\u7684\u6f0f\u6d1e\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
\u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u662f\u63d0\u9ad8\u5bb9\u5668\u5b89\u5168\u6027\u7684\u6709\u6548\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u975e\u7279\u6743\u7528\u6237\u3001\u9650\u5236\u5bb9\u5668\u80fd\u529b\u3001\u8bbe\u7f6e\u53ea\u8bfb\u6587\u4ef6\u7cfb\u7edf\u3001\u9650\u5236\u7f51\u7edc\u8bbf\u95ee\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u548c\u626b\u63cf\u955c\u50cf\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u4e91\u73af\u5883\u4e2d\u90e8\u7f72\u5b89\u5168\u5e94\u7528\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u81f3\u5173\u91cd\u8981\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd\u5b89\u5168\u7684\u7f8e\u56fdVPS<\/a>\u548c\u4e91\u670d\u52a1\u5668<\/a>\u89e3\u51b3\u65b9\u6848\uff0c\u5e2e\u52a9\u7528\u6237\u4fdd\u62a4\u9690\u79c1\u548c\u6570\u636e\u5b89\u5168\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u7f51\u7ad9<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u4ee5\u63d0\u9ad8\u5bb9\u5668\u7684\u5b89\u5168\u6027\uff1f \u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0cDocker\u5df2\u6210\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u7a0b\u5e8f\u53ca\u5176\u4f9d\u8d56\u9879\u6253\u5305\u5728\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u4e2d\uff0c\u4ece\u800c\u5b9e\u73b0\u66f4\u9ad8\u7684\u53ef\u79fb\u690d\u6027\u548c\u4e00\u81f4\u6027\u3002\u7136\u800c\uff0c\u968f\u7740\u5bb9\u5668\u5316\u6280\u672f\u7684\u666e\u53ca\uff0c\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u7a81\u51fa\u3002\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u662f\u63d0\u9ad8Docker\u5bb9\u5668\u5b89\u5168\u6027\u7684\u91cd\u8981\u63aa\u65bd\u4e4b\u4e00\u3002 \u4ec0\u4e48\u662f\u6700\u5c0f\u6743\u9650\u539f\u5219\uff1f \u6700\u5c0f\u6743\u9650\u539f\u5219\uff08Principle of Least Privilege, PoLP\uff09\u662f\u4fe1\u606f\u5b89\u5168\u9886\u57df\u7684\u4e00\u9879\u57fa\u672c\u539f\u5219\uff0c\u6307\u7684\u662f\u7528\u6237\u3001\u7a0b\u5e8f\u6216\u7cfb\u7edf\u5728\u6267\u884c\u4efb\u52a1\u65f6\uff0c\u4ec5\u88ab\u6388\u4e88\u5b8c\u6210\u8be5\u4efb\u52a1\u6240\u9700\u7684\u6700\u4f4e\u6743\u9650\u3002\u8fd9\u4e00\u539f\u5219\u7684\u6838\u5fc3\u5728\u4e8e\u51cf\u5c11\u6f5c\u5728\u7684\u653b\u51fb\u9762\uff0c\u4ece\u800c\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u3002 \u5728Docker\u4e2d\u5b9e\u65bd\u6700\u5c0f\u6743\u9650\u539f\u5219\u7684\u7b56\u7565 1. \u4f7f\u7528\u975e\u7279\u6743\u7528\u6237\u8fd0\u884c\u5bb9\u5668 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cDocker\u5bb9\u5668\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u5b89\u5168\u9690\u60a3\u3002\u4e3a\u4e86\u964d\u4f4e\u98ce\u9669\uff0c\u5efa\u8bae\u5728Dockerfile\u4e2d\u521b\u5efa\u4e00\u4e2a\u975e\u7279\u6743\u7528\u6237\uff0c\u5e76\u4f7f\u7528\u8be5\u7528\u6237\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a FROM ubuntu:20.04 # \u521b\u5efa\u4e00\u4e2a\u975e\u7279\u6743\u7528\u6237 RUN useradd -ms \/bin\/bash myuser # \u5207\u6362\u5230\u975e\u7279\u6743\u7528\u6237 USER myuser # \u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f CMD [“myapp”] 2. \u9650\u5236\u5bb9\u5668\u7684\u80fd\u529b Docker\u5141\u8bb8\u7528\u6237\u901a\u8fc7\u8bbe\u7f6e\u80fd\u529b\uff08capabilities\uff09\u6765\u63a7\u5236\u5bb9\u5668\u7684\u6743\u9650\u3002\u53ef\u4ee5\u4f7f\u7528–cap-drop\u9009\u9879\u6765\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\uff0c\u5e76\u5220\u9664\u6240\u6709\u80fd\u529b\uff1a docker run –cap-drop ALL myimage \u7136\u540e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9010\u4e2a\u6dfb\u52a0\u80fd\u529b\uff0c\u4ee5\u786e\u4fdd\u5bb9\u5668\u4ec5\u62e5\u6709\u6267\u884c\u5176\u4efb\u52a1\u6240\u9700\u7684\u80fd\u529b\u3002 3. \u4f7f\u7528\u53ea\u8bfb\u6587\u4ef6\u7cfb\u7edf \u5c06\u5bb9\u5668\u7684\u6587\u4ef6\u7cfb\u7edf\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\u53ef\u4ee5\u9632\u6b62\u6076\u610f\u8f6f\u4ef6\u6216\u653b\u51fb\u8005\u5bf9\u6587\u4ef6\u7cfb\u7edf\u8fdb\u884c\u4fee\u6539\u3002\u53ef\u4ee5\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\u4f7f\u7528–read-only\u9009\u9879\u6765\u5b9e\u73b0\uff1a docker run –read-only myimage 4. \u9650\u5236\u7f51\u7edc\u8bbf\u95ee \u901a\u8fc7\u9650\u5236\u5bb9\u5668\u7684\u7f51\u7edc\u8bbf\u95ee\uff0c\u53ef\u4ee5\u51cf\u5c11\u6f5c\u5728\u7684\u653b\u51fb\u9762\u3002\u53ef\u4ee5\u4f7f\u7528Docker\u7684\u7f51\u7edc\u529f\u80fd\u6765\u521b\u5efa\u81ea\u5b9a\u4e49\u7f51\u7edc\uff0c\u5e76\u5c06\u5bb9\u5668\u8fde\u63a5\u5230\u7279\u5b9a\u7684\u7f51\u7edc\u4e0a\uff0c\u4ece\u800c\u63a7\u5236\u5b83\u4eec\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u4f8b\u5982\uff1a docker network create mynetwork docker run –network=mynetwork […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-13108","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/13108","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=13108"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/13108\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=13108"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=13108"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=13108"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}