{"id":12880,"date":"2024-11-15T13:18:09","date_gmt":"2024-11-15T05:18:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/12880\/"},"modified":"2024-11-15T13:18:09","modified_gmt":"2024-11-15T05:18:09","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8docker%e4%b8%ad%e9%85%8d%e7%bd%ae%e6%9c%8d%e5%8a%a1%e5%8f%91%e7%8e%b0%e4%b8%8edns%e8%a7%a3%e6%9e%90%e6%9c%8d%e5%8a%a1%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/12880\/","title":{"rendered":"\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u4e0eDNS\u89e3\u6790\u670d\u52a1\uff1f"},"content":{"rendered":"

\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u4e0eDNS\u89e3\u6790\u670d\u52a1\uff1f<\/h1>\n

\u5728\u73b0\u4ee3\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u53d1\u73b0\u548cDNS\u89e3\u6790\u662f\u786e\u4fdd\u5404\u4e2a\u670d\u52a1\u80fd\u591f\u76f8\u4e92\u901a\u4fe1\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002Docker\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u670d\u52a1\u53d1\u73b0\u548cDNS\u89e3\u6790\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u8fd9\u4e9b\u529f\u80fd\uff0c\u4ee5\u4fbf\u4e8e\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u90e8\u7f72\u5fae\u670d\u52a1\u3002<\/p>\n

\u4ec0\u4e48\u662f\u670d\u52a1\u53d1\u73b0\uff1f<\/h2>\n

\u670d\u52a1\u53d1\u73b0\u662f\u6307\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u81ea\u52a8\u68c0\u6d4b\u7f51\u7edc\u4e2d\u53ef\u7528\u670d\u52a1\u7684\u8fc7\u7a0b\u3002\u5b83\u5141\u8bb8\u670d\u52a1\u5b9e\u4f8b\u5728\u542f\u52a8\u65f6\u6ce8\u518c\u81ea\u5df1\uff0c\u5e76\u4f7f\u5176\u4ed6\u670d\u52a1\u80fd\u591f\u627e\u5230\u5e76\u4e0e\u4e4b\u901a\u4fe1\u3002\u670d\u52a1\u53d1\u73b0\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a\u5ba2\u6237\u7aef\u670d\u52a1\u53d1\u73b0\u548c\u670d\u52a1\u5668\u7aef\u670d\u52a1\u53d1\u73b0\u3002<\/p>\n

Docker\u4e2d\u7684\u670d\u52a1\u53d1\u73b0<\/h2>\n

\u5728Docker\u4e2d\uff0c\u670d\u52a1\u53d1\u73b0\u901a\u5e38\u901a\u8fc7Docker\u5185\u7f6e\u7684DNS\u89e3\u6790\u529f\u80fd\u6765\u5b9e\u73b0\u3002Docker\u4e3a\u6bcf\u4e2a\u5bb9\u5668\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684IP\u5730\u5740\uff0c\u5e76\u901a\u8fc7Docker\u7f51\u7edc\u63d0\u4f9bDNS\u670d\u52a1\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u7684\u6b65\u9aa4\uff1a<\/p>\n

\u6b65\u9aa41\uff1a\u521b\u5efaDocker\u7f51\u7edc<\/h3>\n
docker network create my_network<\/code><\/pre>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684Docker\u7f51\u7edc\uff0c\u4ee5\u4fbf\u5bb9\u5668\u53ef\u4ee5\u5728\u540c\u4e00\u7f51\u7edc\u4e2d\u76f8\u4e92\u53d1\u73b0\u3002<\/p>\n
\u6b65\u9aa42\uff1a\u542f\u52a8\u670d\u52a1\u5bb9\u5668<\/h3>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u542f\u52a8\u591a\u4e2a\u670d\u52a1\u5bb9\u5668\uff0c\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u5230\u521a\u521a\u521b\u5efa\u7684\u7f51\u7edc\u4e2d\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u670d\u52a1\uff1a\u670d\u52a1A\u548c\u670d\u52a1B\u3002<\/p>\n
docker run -d --name service_a --network my_network my_service_a_image<\/code><\/pre>\n
docker run -d --name service_b --network my_network my_service_b_image<\/code><\/pre>\n
\u6b65\u9aa43\uff1a\u4f7f\u7528\u670d\u52a1\u540d\u79f0\u8fdb\u884c\u901a\u4fe1<\/h3>\n
\u5728\u540c\u4e00\u7f51\u7edc\u4e2d\u7684\u5bb9\u5668\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u540d\u79f0\u8fdb\u884c\u901a\u4fe1\u3002\u4f8b\u5982\uff0c\u670d\u52a1B\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8bbf\u95ee\u670d\u52a1A\uff1a<\/p>\n
curl http:\/\/service_a:port<\/code><\/pre>\n
\u8fd9\u91cc\u7684\u201cservice_a\u201d\u662f\u670d\u52a1A\u7684\u5bb9\u5668\u540d\u79f0\uff0cDocker\u4f1a\u81ea\u52a8\u89e3\u6790\u8be5\u540d\u79f0\u4e3a\u76f8\u5e94\u7684IP\u5730\u5740\u3002<\/p>\n
\u4f7f\u7528Docker Compose\u8fdb\u884c\u670d\u52a1\u53d1\u73b0<\/h2>\n
Docker Compose\u662f\u4e00\u4e2a\u7528\u4e8e\u5b9a\u4e49\u548c\u8fd0\u884c\u591a\u5bb9\u5668Docker\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u5177\u3002\u4f7f\u7528Docker Compose\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u670d\u52a1\u53d1\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Docker Compose\u793a\u4f8b\uff1a<\/p>\n
version: '3'\nservices:\n  service_a:\n    image: my_service_a_image\n    networks:\n      - my_network\n  service_b:\n    image: my_service_b_image\n    networks:\n      - my_network\n\nnetworks:\n  my_network:\n    driver: bridge<\/code><\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u670d\u52a1\uff0c\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u5230\u540c\u4e00\u4e2a\u7f51\u7edc\u3002\u670d\u52a1B\u53ef\u4ee5\u901a\u8fc7\u201cservice_a\u201d\u540d\u79f0\u8bbf\u95ee\u670d\u52a1A\u3002<\/p>\n
DNS\u89e3\u6790\u670d\u52a1<\/h2>\n
\u9664\u4e86Docker\u5185\u7f6e\u7684DNS\u89e3\u6790\u529f\u80fd\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8DNS\u670d\u52a1\u6765\u589e\u5f3a\u670d\u52a1\u53d1\u73b0\u7684\u80fd\u529b\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Consul\u6216etcd\u7b49\u5de5\u5177\u53ef\u4ee5\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u670d\u52a1\u53d1\u73b0\u548c\u914d\u7f6e\u7ba1\u7406\u529f\u80fd\u3002<\/p>\n
\u4f7f\u7528Consul\u8fdb\u884c\u670d\u52a1\u53d1\u73b0<\/h3>\n
Consul\u662f\u4e00\u4e2a\u6d41\u884c\u7684\u670d\u52a1\u53d1\u73b0\u548c\u914d\u7f6e\u7ba1\u7406\u5de5\u5177\u3002\u8981\u5728Docker\u4e2d\u4f7f\u7528Consul\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\u914d\u7f6e\uff1a<\/p>\n
docker run -d --name=consul -h=consul --network=my_network consul<\/code><\/pre>\n
\u7136\u540e\uff0c\u5176\u4ed6\u670d\u52a1\u53ef\u4ee5\u901a\u8fc7Consul\u8fdb\u884c\u6ce8\u518c\u548c\u53d1\u73b0\u3002\u670d\u52a1A\u53ef\u4ee5\u5728\u542f\u52a8\u65f6\u5411Consul\u6ce8\u518c\uff0c\u800c\u670d\u52a1B\u53ef\u4ee5\u67e5\u8be2Consul\u4ee5\u627e\u5230\u670d\u52a1A\u7684\u5730\u5740\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
\u5728Docker\u4e2d\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u4e0eDNS\u89e3\u6790\u670d\u52a1\u662f\u5b9e\u73b0\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5173\u952e\u6b65\u9aa4\u3002\u901a\u8fc7\u4f7f\u7528Docker\u5185\u7f6e\u7684DNS\u529f\u80fd\u548c\u5916\u90e8\u5de5\u5177\u5982Consul\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u7ba1\u7406\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u3001\u7075\u6d3b\u7684\u4e91\u670d\u52a1\u89e3\u51b3\u65b9\u6848\u7684\u7528\u6237\uff0c\u7c73\u4e91\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\uff0c\u5305\u62ec\u7f8e\u56fdVPS<\/a>\u548c\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\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\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u4e0eDNS\u89e3\u6790\u670d\u52a1\uff1f \u5728\u73b0\u4ee3\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u53d1\u73b0\u548cDNS\u89e3\u6790\u662f\u786e\u4fdd\u5404\u4e2a\u670d\u52a1\u80fd\u591f\u76f8\u4e92\u901a\u4fe1\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206\u3002Docker\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u5b9e\u73b0\u670d\u52a1\u53d1\u73b0\u548cDNS\u89e3\u6790\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u8fd9\u4e9b\u529f\u80fd\uff0c\u4ee5\u4fbf\u4e8e\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u90e8\u7f72\u5fae\u670d\u52a1\u3002 \u4ec0\u4e48\u662f\u670d\u52a1\u53d1\u73b0\uff1f \u670d\u52a1\u53d1\u73b0\u662f\u6307\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u81ea\u52a8\u68c0\u6d4b\u7f51\u7edc\u4e2d\u53ef\u7528\u670d\u52a1\u7684\u8fc7\u7a0b\u3002\u5b83\u5141\u8bb8\u670d\u52a1\u5b9e\u4f8b\u5728\u542f\u52a8\u65f6\u6ce8\u518c\u81ea\u5df1\uff0c\u5e76\u4f7f\u5176\u4ed6\u670d\u52a1\u80fd\u591f\u627e\u5230\u5e76\u4e0e\u4e4b\u901a\u4fe1\u3002\u670d\u52a1\u53d1\u73b0\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a\u5ba2\u6237\u7aef\u670d\u52a1\u53d1\u73b0\u548c\u670d\u52a1\u5668\u7aef\u670d\u52a1\u53d1\u73b0\u3002 Docker\u4e2d\u7684\u670d\u52a1\u53d1\u73b0 \u5728Docker\u4e2d\uff0c\u670d\u52a1\u53d1\u73b0\u901a\u5e38\u901a\u8fc7Docker\u5185\u7f6e\u7684DNS\u89e3\u6790\u529f\u80fd\u6765\u5b9e\u73b0\u3002Docker\u4e3a\u6bcf\u4e2a\u5bb9\u5668\u5206\u914d\u4e00\u4e2a\u552f\u4e00\u7684IP\u5730\u5740\uff0c\u5e76\u901a\u8fc7Docker\u7f51\u7edc\u63d0\u4f9bDNS\u670d\u52a1\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5728Docker\u4e2d\u914d\u7f6e\u670d\u52a1\u53d1\u73b0\u7684\u6b65\u9aa4\uff1a \u6b65\u9aa41\uff1a\u521b\u5efaDocker\u7f51\u7edc docker network create my_network \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684Docker\u7f51\u7edc\uff0c\u4ee5\u4fbf\u5bb9\u5668\u53ef\u4ee5\u5728\u540c\u4e00\u7f51\u7edc\u4e2d\u76f8\u4e92\u53d1\u73b0\u3002 \u6b65\u9aa42\uff1a\u542f\u52a8\u670d\u52a1\u5bb9\u5668 \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u53ef\u4ee5\u542f\u52a8\u591a\u4e2a\u670d\u52a1\u5bb9\u5668\uff0c\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u5230\u521a\u521a\u521b\u5efa\u7684\u7f51\u7edc\u4e2d\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u670d\u52a1\uff1a\u670d\u52a1A\u548c\u670d\u52a1B\u3002 docker run -d –name service_a –network my_network my_service_a_image docker run -d –name service_b –network my_network my_service_b_image \u6b65\u9aa43\uff1a\u4f7f\u7528\u670d\u52a1\u540d\u79f0\u8fdb\u884c\u901a\u4fe1 \u5728\u540c\u4e00\u7f51\u7edc\u4e2d\u7684\u5bb9\u5668\u53ef\u4ee5\u901a\u8fc7\u670d\u52a1\u540d\u79f0\u8fdb\u884c\u901a\u4fe1\u3002\u4f8b\u5982\uff0c\u670d\u52a1B\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8bbf\u95ee\u670d\u52a1A\uff1a curl http:\/\/service_a:port \u8fd9\u91cc\u7684\u201cservice_a\u201d\u662f\u670d\u52a1A\u7684\u5bb9\u5668\u540d\u79f0\uff0cDocker\u4f1a\u81ea\u52a8\u89e3\u6790\u8be5\u540d\u79f0\u4e3a\u76f8\u5e94\u7684IP\u5730\u5740\u3002 \u4f7f\u7528Docker Compose\u8fdb\u884c\u670d\u52a1\u53d1\u73b0 Docker Compose\u662f\u4e00\u4e2a\u7528\u4e8e\u5b9a\u4e49\u548c\u8fd0\u884c\u591a\u5bb9\u5668Docker\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u5177\u3002\u4f7f\u7528Docker Compose\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u670d\u52a1\u53d1\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Docker Compose\u793a\u4f8b\uff1a version: ‘3’ services: service_a: image: my_service_a_image networks: – my_network service_b: image: my_service_b_image networks: – […]<\/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-12880","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/12880","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=12880"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/12880\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=12880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=12880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=12880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}