{"id":13089,"date":"2024-11-15T15:23:04","date_gmt":"2024-11-15T07:23:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13089\/"},"modified":"2024-11-15T15:23:04","modified_gmt":"2024-11-15T07:23:04","slug":"docker%e5%ae%b9%e5%99%a8%e6%9d%83%e9%99%90%e7%9a%84%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3%e4%b8%8e%e6%9c%80%e4%bd%b3%e5%ae%9e%e8%b7%b5%ef%bc%9a%e5%a6%82%e4%bd%95%e7%a1%ae%e4%bf%9d%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13089\/","title":{"rendered":"Docker\u5bb9\u5668\u6743\u9650\u7684\u6df1\u5165\u7406\u89e3\u4e0e\u6700\u4f73\u5b9e\u8df5\uff1a\u5982\u4f55\u786e\u4fdd\u5b89\u5168\u8fd0\u884c\uff1f"},"content":{"rendered":"

Docker\u5bb9\u5668\u6743\u9650\u7684\u6df1\u5165\u7406\u89e3\u4e0e\u6700\u4f73\u5b9e\u8df5\uff1a\u5982\u4f55\u786e\u4fdd\u5b89\u5168\u8fd0\u884c\uff1f<\/h1>\n

\u968f\u7740\u4e91\u8ba1\u7b97\u548c\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0cDocker\u4f5c\u4e3a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u5df2\u7ecf\u6210\u4e3a\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u5de5\u5177\u3002\u7136\u800c\uff0cDocker\u5bb9\u5668\u7684\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u53d7\u5230\u5173\u6ce8\uff0c\u5c24\u5176\u662f\u5728\u6743\u9650\u7ba1\u7406\u65b9\u9762\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Docker\u5bb9\u5668\u7684\u6743\u9650\u7ba1\u7406\u673a\u5236\uff0c\u5e76\u63d0\u4f9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u5bb9\u5668\u7684\u5b89\u5168\u8fd0\u884c\u3002<\/p>\n

Docker\u5bb9\u5668\u7684\u6743\u9650\u6a21\u578b<\/h2>\n

Docker\u5bb9\u5668\u7684\u6743\u9650\u6a21\u578b\u4e3b\u8981\u57fa\u4e8eLinux\u5185\u6838\u7684\u5b89\u5168\u7279\u6027\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\u548c\u63a7\u5236\u7ec4\uff08cgroup\uff09\u3002\u547d\u540d\u7a7a\u95f4\u4e3a\u6bcf\u4e2a\u5bb9\u5668\u63d0\u4f9b\u4e86\u4e00\u4e2a\u72ec\u7acb\u7684\u89c6\u56fe\uff0c\u4f7f\u5f97\u5bb9\u5668\u4e4b\u95f4\u7684\u8fdb\u7a0b\u3001\u7f51\u7edc\u548c\u6587\u4ef6\u7cfb\u7edf\u76f8\u4e92\u9694\u79bb\u3002\u63a7\u5236\u7ec4\u5219\u7528\u4e8e\u9650\u5236\u548c\u76d1\u63a7\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u3002<\/p>\n

\u5728Docker\u4e2d\uff0c\u5bb9\u5668\u9ed8\u8ba4\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u867d\u7136\u65b9\u4fbf\u4e86\u5f00\u53d1\u548c\u8c03\u8bd5\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u5b89\u5168\u9690\u60a3\u3002\u653b\u51fb\u8005\u5982\u679c\u80fd\u591f\u7a81\u7834\u5bb9\u5668\u7684\u9632\u62a4\uff0c\u53ef\u80fd\u4f1a\u83b7\u5f97\u5bbf\u4e3b\u673a\u7684root\u6743\u9650\u3002\u56e0\u6b64\uff0c\u5408\u7406\u914d\u7f6e\u5bb9\u5668\u7684\u7528\u6237\u6743\u9650\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

\u6700\u4f73\u5b9e\u8df5\uff1a\u5982\u4f55\u786e\u4fddDocker\u5bb9\u5668\u7684\u5b89\u5168\u8fd0\u884c<\/h2>\n

1. \u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u5bb9\u5668<\/h3>\n

\u5c3d\u91cf\u907f\u514d\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884cDocker\u5bb9\u5668\u3002\u53ef\u4ee5\u901a\u8fc7\u5728Dockerfile\u4e2d\u4f7f\u7528USER\u6307\u4ee4\u6765\u6307\u5b9a\u975e\u7279\u6743\u7528\u6237\u3002\u4f8b\u5982\uff1a<\/p>\n

FROM ubuntu:20.04\nRUN useradd -ms \/bin\/bash myuser\nUSER myuser\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u964d\u4f4e\u5bb9\u5668\u88ab\u653b\u51fb\u540e\u5bf9\u5bbf\u4e3b\u673a\u7684\u6f5c\u5728\u5a01\u80c1\u3002<\/p>\n
2. \u4f7f\u7528\u6700\u5c0f\u6743\u9650\u539f\u5219<\/h3>\n
\u5728\u914d\u7f6e\u5bb9\u5668\u65f6\uff0c\u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219\uff0c\u53ea\u6388\u4e88\u5bb9\u5668\u8fd0\u884c\u6240\u9700\u7684\u6700\u4f4e\u6743\u9650\u3002\u4f8b\u5982\uff0c\u4f7f\u7528–cap-drop\u9009\u9879\u6765\u79fb\u9664\u4e0d\u5fc5\u8981\u7684Linux\u80fd\u529b\uff1a<\/p>\n
docker run --cap-drop ALL --cap-add NET_BIND_SERVICE myimage\n<\/code><\/pre>\n
\u8fd9\u5c06\u79fb\u9664\u6240\u6709\u80fd\u529b\uff0c\u53ea\u4fdd\u7559\u7ed1\u5b9a\u7f51\u7edc\u670d\u52a1\u6240\u9700\u7684\u80fd\u529b\u3002<\/p>\n
3. \u5b9a\u671f\u66f4\u65b0\u548c\u626b\u63cf\u955c\u50cf<\/h3>\n
\u4fdd\u6301Docker\u955c\u50cf\u7684\u66f4\u65b0\u662f\u786e\u4fdd\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0\u57fa\u7840\u955c\u50cf\uff0c\u4f7f\u7528\u5b89\u5168\u626b\u63cf\u5de5\u5177\uff08\u5982Trivy\u6216Clair\uff09\u6765\u68c0\u6d4b\u955c\u50cf\u4e2d\u7684\u6f0f\u6d1e\u3002<\/p>\n
4. \u4f7f\u7528Docker\u7684\u5b89\u5168\u529f\u80fd<\/h3>\n
Docker\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u5b89\u5168\u529f\u80fd\uff0c\u5982\u7528\u6237\u547d\u540d\u7a7a\u95f4\uff08User Namespace\uff09\u548c\u5b89\u5168\u914d\u7f6e\u6587\u4ef6\uff08Seccomp\uff09\u3002\u542f\u7528\u7528\u6237\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5c06\u5bb9\u5668\u5185\u7684\u7528\u6237\u6620\u5c04\u5230\u5bbf\u4e3b\u673a\u7684\u975e\u7279\u6743\u7528\u6237\uff0c\u4ece\u800c\u589e\u5f3a\u5b89\u5168\u6027\u3002<\/p>\n
docker run --userns-remap=default myimage\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u4f7f\u7528Seccomp\u53ef\u4ee5\u9650\u5236\u5bb9\u5668\u53ef\u4ee5\u8c03\u7528\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u4ece\u800c\u51cf\u5c11\u653b\u51fb\u9762\u3002<\/p>\n
5. \u7f51\u7edc\u9694\u79bb<\/h3>\n
\u4f7f\u7528Docker\u7684\u7f51\u7edc\u529f\u80fd\u6765\u9694\u79bb\u4e0d\u540c\u5bb9\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u7f51\u7edc\uff0c\u5e76\u5c06\u76f8\u5173\u7684\u5bb9\u5668\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\u4e2d\uff0c\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u66b4\u9732\u3002<\/p>\n
docker network create mynetwork\ndocker run --network=mynetwork myimage\n<\/code><\/pre>\n
\u603b\u7ed3<\/h2>\n
Docker\u5bb9\u5668\u7684\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u590d\u6742\u800c\u91cd\u8981\u7684\u8bdd\u9898\uff0c\u5408\u7406\u7684\u6743\u9650\u7ba1\u7406\u662f\u786e\u4fdd\u5bb9\u5668\u5b89\u5168\u8fd0\u884c\u7684\u5173\u952e\u3002\u901a\u8fc7\u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u3001\u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219\u3001\u5b9a\u671f\u66f4\u65b0\u955c\u50cf\u3001\u5229\u7528Docker\u7684\u5b89\u5168\u529f\u80fd\u4ee5\u53ca\u8fdb\u884c\u7f51\u7edc\u9694\u79bb\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5bb9\u5668\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002<\/p>\n
\u5bf9\u4e8e\u9700\u8981\u9ad8\u5b89\u5168\u6027\u548c\u9690\u79c1\u4fdd\u62a4\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u670d\u52a1\u5668\u548c\u670d\u52a1\u63d0\u4f9b\u5546\u81f3\u5173\u91cd\u8981\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec\u7f8e\u56fdVPS<\/a>\u3001\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/a>\u548c\u533f\u540d\u670d\u52a1\u5668\uff0c\u5e2e\u52a9\u7528\u6237\u5728\u786e\u4fdd\u5b89\u5168\u7684\u540c\u65f6\uff0c\u4fdd\u62a4\u9690\u79c1\u6743\u3002\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684\u7f51\u7ad9<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Docker\u5bb9\u5668\u6743\u9650\u7684\u6df1\u5165\u7406\u89e3\u4e0e\u6700\u4f73\u5b9e\u8df5\uff1a\u5982\u4f55\u786e\u4fdd\u5b89\u5168\u8fd0\u884c\uff1f \u968f\u7740\u4e91\u8ba1\u7b97\u548c\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0cDocker\u4f5c\u4e3a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u5df2\u7ecf\u6210\u4e3a\u5f00\u53d1\u548c\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u7684\u91cd\u8981\u5de5\u5177\u3002\u7136\u800c\uff0cDocker\u5bb9\u5668\u7684\u5b89\u5168\u6027\u95ee\u9898\u4e5f\u65e5\u76ca\u53d7\u5230\u5173\u6ce8\uff0c\u5c24\u5176\u662f\u5728\u6743\u9650\u7ba1\u7406\u65b9\u9762\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Docker\u5bb9\u5668\u7684\u6743\u9650\u7ba1\u7406\u673a\u5236\uff0c\u5e76\u63d0\u4f9b\u6700\u4f73\u5b9e\u8df5\uff0c\u4ee5\u786e\u4fdd\u5bb9\u5668\u7684\u5b89\u5168\u8fd0\u884c\u3002 Docker\u5bb9\u5668\u7684\u6743\u9650\u6a21\u578b Docker\u5bb9\u5668\u7684\u6743\u9650\u6a21\u578b\u4e3b\u8981\u57fa\u4e8eLinux\u5185\u6838\u7684\u5b89\u5168\u7279\u6027\uff0c\u5305\u62ec\u547d\u540d\u7a7a\u95f4\uff08namespace\uff09\u548c\u63a7\u5236\u7ec4\uff08cgroup\uff09\u3002\u547d\u540d\u7a7a\u95f4\u4e3a\u6bcf\u4e2a\u5bb9\u5668\u63d0\u4f9b\u4e86\u4e00\u4e2a\u72ec\u7acb\u7684\u89c6\u56fe\uff0c\u4f7f\u5f97\u5bb9\u5668\u4e4b\u95f4\u7684\u8fdb\u7a0b\u3001\u7f51\u7edc\u548c\u6587\u4ef6\u7cfb\u7edf\u76f8\u4e92\u9694\u79bb\u3002\u63a7\u5236\u7ec4\u5219\u7528\u4e8e\u9650\u5236\u548c\u76d1\u63a7\u5bb9\u5668\u7684\u8d44\u6e90\u4f7f\u7528\u3002 \u5728Docker\u4e2d\uff0c\u5bb9\u5668\u9ed8\u8ba4\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884c\uff0c\u8fd9\u867d\u7136\u65b9\u4fbf\u4e86\u5f00\u53d1\u548c\u8c03\u8bd5\uff0c\u4f46\u4e5f\u5e26\u6765\u4e86\u5b89\u5168\u9690\u60a3\u3002\u653b\u51fb\u8005\u5982\u679c\u80fd\u591f\u7a81\u7834\u5bb9\u5668\u7684\u9632\u62a4\uff0c\u53ef\u80fd\u4f1a\u83b7\u5f97\u5bbf\u4e3b\u673a\u7684root\u6743\u9650\u3002\u56e0\u6b64\uff0c\u5408\u7406\u914d\u7f6e\u5bb9\u5668\u7684\u7528\u6237\u6743\u9650\u81f3\u5173\u91cd\u8981\u3002 \u6700\u4f73\u5b9e\u8df5\uff1a\u5982\u4f55\u786e\u4fddDocker\u5bb9\u5668\u7684\u5b89\u5168\u8fd0\u884c 1. \u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u5bb9\u5668 \u5c3d\u91cf\u907f\u514d\u4ee5root\u7528\u6237\u8eab\u4efd\u8fd0\u884cDocker\u5bb9\u5668\u3002\u53ef\u4ee5\u901a\u8fc7\u5728Dockerfile\u4e2d\u4f7f\u7528USER\u6307\u4ee4\u6765\u6307\u5b9a\u975e\u7279\u6743\u7528\u6237\u3002\u4f8b\u5982\uff1a FROM ubuntu:20.04 RUN useradd -ms \/bin\/bash myuser USER myuser \u8fd9\u6837\u53ef\u4ee5\u964d\u4f4e\u5bb9\u5668\u88ab\u653b\u51fb\u540e\u5bf9\u5bbf\u4e3b\u673a\u7684\u6f5c\u5728\u5a01\u80c1\u3002 2. \u4f7f\u7528\u6700\u5c0f\u6743\u9650\u539f\u5219 \u5728\u914d\u7f6e\u5bb9\u5668\u65f6\uff0c\u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219\uff0c\u53ea\u6388\u4e88\u5bb9\u5668\u8fd0\u884c\u6240\u9700\u7684\u6700\u4f4e\u6743\u9650\u3002\u4f8b\u5982\uff0c\u4f7f\u7528–cap-drop\u9009\u9879\u6765\u79fb\u9664\u4e0d\u5fc5\u8981\u7684Linux\u80fd\u529b\uff1a docker run –cap-drop ALL –cap-add NET_BIND_SERVICE myimage \u8fd9\u5c06\u79fb\u9664\u6240\u6709\u80fd\u529b\uff0c\u53ea\u4fdd\u7559\u7ed1\u5b9a\u7f51\u7edc\u670d\u52a1\u6240\u9700\u7684\u80fd\u529b\u3002 3. \u5b9a\u671f\u66f4\u65b0\u548c\u626b\u63cf\u955c\u50cf \u4fdd\u6301Docker\u955c\u50cf\u7684\u66f4\u65b0\u662f\u786e\u4fdd\u5b89\u5168\u7684\u91cd\u8981\u63aa\u65bd\u3002\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0\u57fa\u7840\u955c\u50cf\uff0c\u4f7f\u7528\u5b89\u5168\u626b\u63cf\u5de5\u5177\uff08\u5982Trivy\u6216Clair\uff09\u6765\u68c0\u6d4b\u955c\u50cf\u4e2d\u7684\u6f0f\u6d1e\u3002 4. \u4f7f\u7528Docker\u7684\u5b89\u5168\u529f\u80fd Docker\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u7f6e\u7684\u5b89\u5168\u529f\u80fd\uff0c\u5982\u7528\u6237\u547d\u540d\u7a7a\u95f4\uff08User Namespace\uff09\u548c\u5b89\u5168\u914d\u7f6e\u6587\u4ef6\uff08Seccomp\uff09\u3002\u542f\u7528\u7528\u6237\u547d\u540d\u7a7a\u95f4\u53ef\u4ee5\u5c06\u5bb9\u5668\u5185\u7684\u7528\u6237\u6620\u5c04\u5230\u5bbf\u4e3b\u673a\u7684\u975e\u7279\u6743\u7528\u6237\uff0c\u4ece\u800c\u589e\u5f3a\u5b89\u5168\u6027\u3002 docker run –userns-remap=default myimage \u6b64\u5916\uff0c\u4f7f\u7528Seccomp\u53ef\u4ee5\u9650\u5236\u5bb9\u5668\u53ef\u4ee5\u8c03\u7528\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u4ece\u800c\u51cf\u5c11\u653b\u51fb\u9762\u3002 5. \u7f51\u7edc\u9694\u79bb \u4f7f\u7528Docker\u7684\u7f51\u7edc\u529f\u80fd\u6765\u9694\u79bb\u4e0d\u540c\u5bb9\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u7f51\u7edc\uff0c\u5e76\u5c06\u76f8\u5173\u7684\u5bb9\u5668\u8fde\u63a5\u5230\u540c\u4e00\u7f51\u7edc\u4e2d\uff0c\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u7f51\u7edc\u66b4\u9732\u3002 docker network create mynetwork docker run –network=mynetwork myimage \u603b\u7ed3 Docker\u5bb9\u5668\u7684\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u590d\u6742\u800c\u91cd\u8981\u7684\u8bdd\u9898\uff0c\u5408\u7406\u7684\u6743\u9650\u7ba1\u7406\u662f\u786e\u4fdd\u5bb9\u5668\u5b89\u5168\u8fd0\u884c\u7684\u5173\u952e\u3002\u901a\u8fc7\u907f\u514d\u4ee5root\u7528\u6237\u8fd0\u884c\u3001\u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219\u3001\u5b9a\u671f\u66f4\u65b0\u955c\u50cf\u3001\u5229\u7528Docker\u7684\u5b89\u5168\u529f\u80fd\u4ee5\u53ca\u8fdb\u884c\u7f51\u7edc\u9694\u79bb\uff0c\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5bb9\u5668\u88ab\u653b\u51fb\u7684\u98ce\u9669\u3002 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