{"id":32614,"date":"2026-08-11T10:00:00","date_gmt":"2026-08-11T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32614"},"modified":"2026-08-16T20:18:32","modified_gmt":"2026-08-16T12:18:32","slug":"docker-registry-cache-troubleshooting","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/docker-registry-cache-troubleshooting\/","title":{"rendered":"Docker \u955c\u50cf\u62c9\u53d6\u5931\u8d25\u6392\u969c\uff1a\u955c\u50cf\u6e90\u4e0e\u79c1\u6709\u7f13\u5b58\u914d\u7f6e\u6307\u5357"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-registry-cache-troubleshooting-cover.webp\" alt=\"Docker \u955c\u50cf\u62c9\u53d6\u5931\u8d25\u6392\u969c\u5c01\u9762\" loading=\"lazy\" \/><\/p>\n<p>Docker \u955c\u50cf\u62c9\u53d6\u5931\u8d25\u901a\u5e38\u4e0d\u662f\u5355\u4e00\u547d\u4ee4\u5199\u9519\uff0c\u800c\u662f DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u3001\u7f51\u7edc\u51fa\u53e3\u3001\u955c\u50cf\u6e90\u9650\u6d41\u3001\u955c\u50cf\u4ed3\u5e93\u8ba4\u8bc1\u3001\u7f13\u5b58\u5c42\u7b56\u7565\u4e4b\u95f4\u7684\u94fe\u8def\u95ee\u9898\u3002\u672c\u6587\u4f1a\u7528\u4e00\u6761\u4ece\u73b0\u8c61\u5230\u9a8c\u8bc1\u7684\u6392\u969c\u8def\u5f84\uff0c\u8bf4\u660e\u5982\u4f55\u5224\u65ad\u95ee\u9898\u53d1\u751f\u5728\u54ea\u4e00\u5c42\uff0c\u5e76\u7ed9\u51fa registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\u4e0e\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\u7684\u914d\u7f6e\u65b9\u6cd5\uff0c\u5e2e\u52a9\u4f60\u628a\u201c\u5076\u53d1\u62c9\u4e0d\u4e0b\u6765\u201d\u53d8\u6210\u53ef\u590d\u73b0\u3001\u53ef\u76d1\u63a7\u3001\u53ef\u4fee\u590d\u7684\u8fd0\u7ef4\u6d41\u7a0b\u3002<\/p>\n<p>\u5728\u4e2d\u5c0f\u56e2\u961f\u7684\u90e8\u7f72\u73af\u5883\u91cc\uff0c\u8fd9\u7c7b\u6545\u969c\u5e38\u51fa\u73b0\u5728 CI\/CD\uff08\u6301\u7eed\u96c6\u6210\u4e0e\u6301\u7eed\u4ea4\u4ed8\uff09\u6d41\u6c34\u7ebf\u3001Kubernetes\uff08\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff09\u8282\u70b9\u6269\u5bb9\u3001\u4e34\u65f6\u91cd\u5efa\u6d4b\u8bd5\u73af\u5883\u6216\u8de8\u533a\u57df\u4ea4\u4ed8\u65f6\u3002\u8868\u9762\u4e0a\u770b\uff0c\u9519\u8bef\u53ef\u80fd\u53ea\u662f <code>pull access denied<\/code>\u3001<code>context deadline exceeded<\/code>\u3001<code>TLS handshake timeout<\/code> \u6216 <code>too many requests<\/code>\uff0c\u4f46\u5bf9\u5e94\u7684\u5904\u7406\u65b9\u5f0f\u5b8c\u5168\u4e0d\u540c\u3002\u5982\u679c\u6ca1\u6709\u5148\u5b9a\u4f4d\u8fb9\u754c\uff0c\u5f88\u5bb9\u6613\u5728\u955c\u50cf\u6e90\u3001\u4ee3\u7406\u3001DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u548c\u51ed\u636e\u4e4b\u95f4\u53cd\u590d\u8bd5\u9519\u3002<\/p>\n<h2>\u5148\u5224\u65ad\u5931\u8d25\u7c7b\u578b\uff1a\u7f51\u7edc\u4e0d\u53ef\u8fbe\u3001\u9650\u6d41\u8fd8\u662f\u6743\u9650\u95ee\u9898<\/h2>\n<p>\u6392\u969c\u7b2c\u4e00\u6b65\u4e0d\u662f\u9a6c\u4e0a\u66ff\u6362\u955c\u50cf\u6e90\uff0c\u800c\u662f\u628a\u9519\u8bef\u5f52\u7c7b\u3002Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u62c9\u53d6\u955c\u50cf\u7684\u8fc7\u7a0b\u81f3\u5c11\u5305\u542b\u57df\u540d\u89e3\u6790\u3001\u5efa\u7acb HTTPS\uff08\u52a0\u5bc6\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff09\u8fde\u63a5\u3001\u8bf7\u6c42 registry API\uff08\u955c\u50cf\u4ed3\u5e93\u63a5\u53e3\uff09\u3001\u6821\u9a8c\u8ba4\u8bc1\u4fe1\u606f\u3001\u4e0b\u8f7d manifest\uff08\u955c\u50cf\u6e05\u5355\uff09\u548c layer\uff08\u955c\u50cf\u5206\u5c42\uff09\u51e0\u4e2a\u9636\u6bb5\u3002\u4e0d\u540c\u9636\u6bb5\u5931\u8d25\uff0c\u65e5\u5fd7\u91cc\u7684\u5173\u952e\u8bcd\u4f1a\u4e0d\u4e00\u6837\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u5148\u5728\u53d1\u751f\u95ee\u9898\u7684\u673a\u5668\u4e0a\u6267\u884c\u4e24\u7c7b\u547d\u4ee4\uff1a\u4e00\u7c7b\u9a8c\u8bc1 Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u672c\u8eab\uff0c\u53e6\u4e00\u7c7b\u7ed5\u8fc7 Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u76f4\u63a5\u9a8c\u8bc1\u7f51\u7edc\u3002<\/p>\n<pre><code class=\"language-bash\">docker pull nginx:stable\n\ndocker info | grep -i \"Registry Mirrors\" -A 5\n\ncurl -I --connect-timeout 8 https:\/\/registry-1.docker.io\/v2\/\n\nnslookup registry-1.docker.io\n<\/code><\/pre>\n<p>\u5982\u679c <code>curl<\/code> \u5728 8 \u79d2\u5185\u65e0\u6cd5\u5efa\u7acb\u8fde\u63a5\uff0c\u95ee\u9898\u66f4\u53ef\u80fd\u5728\u51fa\u53e3\u7f51\u7edc\u3001\u4ee3\u7406\u6216\u9632\u706b\u5899\u3002\u5982\u679c <code>curl<\/code> \u8fd4\u56de <code>401 Unauthorized<\/code>\uff0c\u8fd9\u53cd\u800c\u8bf4\u660e registry API\uff08\u955c\u50cf\u4ed3\u5e93\u63a5\u53e3\uff09\u53ef\u4ee5\u8bbf\u95ee\uff0c\u53ea\u662f\u9700\u8981\u8ba4\u8bc1\u6216\u4ee4\u724c\u3002\u82e5 Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u63d0\u793a <code>toomanyrequests<\/code>\uff0c\u8bf4\u660e\u66f4\u63a5\u8fd1\u533f\u540d\u8bbf\u95ee\u9650\u6d41\uff1b\u82e5\u63d0\u793a <code>pull access denied<\/code>\uff0c\u5219\u8981\u4f18\u5148\u68c0\u67e5\u955c\u50cf\u540d\u79f0\u3001\u4ed3\u5e93\u6743\u9650\u548c\u767b\u5f55\u51ed\u636e\u3002<\/p>\n<p>\u8fd9\u4e00\u6b65\u4e5f\u80fd\u5e2e\u52a9\u4f60\u51b3\u5b9a\u4e3b\u673a\u73af\u5883\u662f\u5426\u9700\u8981\u8c03\u6574\u3002\u6bd4\u5982\u90e8\u7f72\u8282\u70b9\u8fd0\u884c\u5728\u6d77\u5916\u4e1a\u52a1\u533a\uff0c\u901a\u5e38\u66f4\u5173\u5fc3\u5230\u4e0a\u6e38\u955c\u50cf\u4ed3\u5e93\u7684\u7a33\u5b9a\u6027\uff1b\u5982\u679c\u8282\u70b9\u8fd0\u884c\u5728\u56fd\u5185\u7f51\u7edc\u73af\u5883\uff0c\u5219\u53ef\u80fd\u9700\u8981\u989d\u5916\u8bc4\u4f30\u955c\u50cf\u7f13\u5b58\u548c\u4ee3\u7406\u7b56\u7565\u3002\u5173\u4e8e\u670d\u52a1\u5668\u57fa\u7840\u73af\u5883\u89c4\u5212\uff0c\u53ef\u4ee5\u53c2\u8003 Hostease \u4e2d\u6587\u535a\u5ba2\u7684<a href=\"https:\/\/cn.hostease.com\/blog\/server\/\">\u670d\u52a1\u5668\u76f8\u5173\u6587\u7ae0<\/a>\uff0c\u5148\u628a\u7f51\u7edc\u51fa\u53e3\u3001\u7cfb\u7edf\u7248\u672c\u548c\u9632\u706b\u5899\u89c4\u5219\u68b3\u7406\u6e05\u695a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-registry-cache-troubleshooting-errors.webp\" alt=\"\u955c\u50cf\u62c9\u53d6\u5931\u8d25\u7c7b\u578b\u8bc6\u522b\" loading=\"lazy\" \/><\/p>\n<h2>registry mirror \u9002\u5408\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898<\/h2>\n<p>registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\u7684\u4f5c\u7528\uff0c\u662f\u8ba9 Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u5728\u62c9\u53d6\u516c\u5171\u955c\u50cf\u65f6\u4f18\u5148\u8bbf\u95ee\u4e00\u4e2a\u955c\u50cf\u4ee3\u7406\u5165\u53e3\uff0c\u7531\u5b83\u4ee3\u66ff\u8282\u70b9\u53bb\u4e0a\u6e38\u83b7\u53d6\u955c\u50cf\u5185\u5bb9\u3002\u5b83\u9002\u5408\u89e3\u51b3\u516c\u5171\u955c\u50cf\u4e0b\u8f7d\u6162\u3001\u8de8\u533a\u57df\u7f51\u7edc\u6296\u52a8\u3001\u540c\u4e00\u6279\u8282\u70b9\u91cd\u590d\u62c9\u53d6\u57fa\u7840\u955c\u50cf\u5bfc\u81f4\u8017\u65f6\u8fc7\u957f\u7b49\u95ee\u9898\u3002<\/p>\n<p>\u4f46\u5b83\u4e0d\u9002\u5408\u89e3\u51b3\u6240\u6709\u95ee\u9898\u3002\u79c1\u6709\u955c\u50cf\u6743\u9650\u9519\u8bef\u3001\u955c\u50cf tag\uff08\u7248\u672c\u6807\u7b7e\uff09\u4e0d\u5b58\u5728\u3001\u4e0a\u6e38\u955c\u50cf\u5df2\u7ecf\u5220\u9664\u3001\u4f01\u4e1a\u4ed3\u5e93\u9700\u8981\u5355\u72ec\u767b\u5f55\uff0c\u8fd9\u4e9b\u95ee\u9898\u5373\u4f7f\u6362 mirror \u4e5f\u4e0d\u4f1a\u6d88\u5931\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u5efa\u8bae\u628a registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\u5f53\u4f5c\u201c\u516c\u5171\u955c\u50cf\u8bbf\u95ee\u4f18\u5316\u5c42\u201d\uff0c\u800c\u4e0d\u662f\u4e07\u80fd\u8865\u4e01\u3002<\/p>\n<p>\u5728 Linux\uff08\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff09\u670d\u52a1\u5668\u4e0a\uff0c\u5e38\u89c1\u914d\u7f6e\u6587\u4ef6\u662f <code>\/etc\/docker\/daemon.json<\/code>\u3002\u793a\u4f8b\u914d\u7f6e\u5982\u4e0b\uff0c\u6ce8\u610f JSON\uff08\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff09\u5fc5\u987b\u5408\u6cd5\uff0c\u591a\u4e2a mirror \u7528\u6570\u7ec4\u4fdd\u5b58\uff1a<\/p>\n<pre><code class=\"language-json\">{\n  \"registry-mirrors\": [\n    \"https:\/\/mirror-a.example.com\",\n    \"https:\/\/mirror-b.example.com\"\n  ],\n  \"max-concurrent-downloads\": 3\n}\n<\/code><\/pre>\n<p>\u4fee\u6539\u540e\u91cd\u8f7d\u670d\u52a1\uff0c\u5e76\u901a\u8fc7 <code>docker info<\/code> \u786e\u8ba4\u914d\u7f6e\u5df2\u7ecf\u751f\u6548\uff1a<\/p>\n<pre><code class=\"language-bash\">sudo systemctl daemon-reload\nsudo systemctl restart docker\n\ndocker info | sed -n '\/Registry Mirrors\/,+6p'\n\ntime docker pull alpine:3.20\n<\/code><\/pre>\n<p>\u8fd9\u91cc\u7684 <code>max-concurrent-downloads<\/code> \u4e0d\u5efa\u8bae\u76f2\u76ee\u8c03\u5927\u3002\u5bf9\u4e8e 2 \u6838 4GB \u7684\u5165\u95e8\u578b <a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS<\/a>\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668<\/a>\uff09\u6216\u5c0f\u578b\u6784\u5efa\u673a\uff0c3 \u5230 5 \u901a\u5e38\u5df2\u7ecf\u8db3\u591f\uff1b\u5982\u679c\u5e76\u53d1\u8fc7\u9ad8\uff0c\u53cd\u800c\u53ef\u80fd\u89e6\u53d1\u4e0a\u6e38\u9650\u6d41\u6216\u5360\u6ee1\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u3002\u5982\u679c\u4f60\u7684\u6784\u5efa\u4efb\u52a1\u548c\u7f51\u7ad9\u670d\u52a1\u90e8\u7f72\u5728\u540c\u4e00\u53f0\u673a\u5668\u4e0a\uff0c\u8fd8\u8981\u907f\u514d\u955c\u50cf\u4e0b\u8f7d\u62a2\u5360\u7ebf\u4e0a\u4e1a\u52a1\u8d44\u6e90\u3002<\/p>\n<h2>\u4ec0\u4e48\u65f6\u5019\u5e94\u8be5\u4f7f\u7528\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58<\/h2>\n<p>\u5f53\u56e2\u961f\u6bcf\u5929\u591a\u6b21\u6784\u5efa\u3001\u591a\u4e2a\u8282\u70b9\u91cd\u590d\u62c9\u53d6\u540c\u4e00\u6279\u57fa\u7840\u955c\u50cf\uff0c\u6216\u8005 CI\/CD\uff08\u6301\u7eed\u96c6\u6210\u4e0e\u6301\u7eed\u4ea4\u4ed8\uff09\u9891\u7e41\u56e0\u4e3a\u4e0a\u6e38\u955c\u50cf\u6e90\u6ce2\u52a8\u800c\u5931\u8d25\u65f6\uff0c\u5355\u7eaf\u914d\u7f6e registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\u53ef\u80fd\u4e0d\u591f\u3002\u66f4\u7a33\u59a5\u7684\u505a\u6cd5\u662f\u5728\u56e2\u961f\u5185\u90e8\u90e8\u7f72\u4e00\u4e2a\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\uff0c\u628a\u5e38\u7528\u57fa\u7840\u955c\u50cf\u3001\u8fd0\u884c\u65f6\u955c\u50cf\u548c\u6784\u5efa\u4ea7\u7269\u96c6\u4e2d\u7ba1\u7406\u3002<\/p>\n<p>\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\u7684\u4f18\u52bf\u5728\u4e8e\u53ef\u63a7\uff1a\u4f60\u53ef\u4ee5\u56fa\u5b9a\u955c\u50cf\u7248\u672c\u3001\u9650\u5236\u5916\u90e8\u8bbf\u95ee\u3001\u8bb0\u5f55\u62c9\u53d6\u65e5\u5fd7\uff0c\u5e76\u5728\u4e0a\u6e38\u4e0d\u53ef\u7528\u65f6\u7ee7\u7eed\u4f7f\u7528\u5df2\u7f13\u5b58\u7684 layer\uff08\u955c\u50cf\u5206\u5c42\uff09\u3002\u8fd9\u5bf9\u751f\u4ea7\u90e8\u7f72\u5c24\u5176\u91cd\u8981\uff0c\u56e0\u4e3a\u540c\u4e00\u4e2a <code>nginx:stable<\/code> \u6216 <code>node:20<\/code> \u5728\u4e0d\u540c\u65f6\u95f4\u62c9\u5230\u7684\u5185\u5bb9\u53ef\u80fd\u5b58\u5728\u53d8\u5316\uff0c\u4f7f\u7528 digest\uff08\u5185\u5bb9\u6458\u8981\uff09\u80fd\u8fdb\u4e00\u6b65\u964d\u4f4e\u6f02\u79fb\u98ce\u9669\u3002<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u7f13\u5b58\u4ed3\u5e93\u793a\u4f8b\uff0c\u4ec5\u7528\u4e8e\u8bf4\u660e\u53c2\u6570\u5173\u7cfb\u3002\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u5e94\u653e\u5728 HTTPS\uff08\u52a0\u5bc6\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff09\u4e4b\u540e\uff0c\u5e76\u914d\u7f6e\u8bbf\u95ee\u63a7\u5236\uff1a<\/p>\n<pre><code class=\"language-yaml\">version: \"3.8\"\nservices:\n  registry-cache:\n    image: registry:2\n    ports:\n      - \"5000:5000\"\n    environment:\n      REGISTRY_PROXY_REMOTEURL: \"https:\/\/registry-1.docker.io\"\n    volumes:\n      - .\/registry-data:\/var\/lib\/registry\n<\/code><\/pre>\n<p>\u542f\u52a8\u540e\uff0c\u53ef\u4ee5\u628a\u5185\u90e8\u8282\u70b9\u7684\u955c\u50cf\u62c9\u53d6\u5730\u5740\u7edf\u4e00\u6307\u5411\u8fd9\u4e2a\u7f13\u5b58\u5165\u53e3\u3002\u5bf9\u4e8e\u591a\u53f0\u6784\u5efa\u673a\uff0c\u7f13\u5b58\u76ee\u5f55\u5efa\u8bae\u653e\u5728\u7a33\u5b9a\u78c1\u76d8\u4e0a\uff0c\u5e76\u8bbe\u7f6e\u5b9a\u671f\u5907\u4efd\u4e0e\u5bb9\u91cf\u76d1\u63a7\u3002\u82e5\u4f60\u6b63\u5728\u8bc4\u4f30\u627f\u8f7d\u6784\u5efa\u670d\u52a1\u7684\u670d\u52a1\u5668\u89c4\u683c\uff0c\u53ef\u4ee5\u7ed3\u5408<a href=\"https:\/\/cn.hostease.com\/vps\/\">VPS\uff08\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668\uff09\u65b9\u6848<\/a>\u7684 CPU\uff08\u4e2d\u592e\u5904\u7406\u5668\uff09\u3001\u5185\u5b58\u548c\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u914d\u7f6e\uff0c\u6309\u6bcf\u65e5\u6784\u5efa\u6b21\u6570\u548c\u955c\u50cf\u4f53\u79ef\u4f30\u7b97\u8d44\u6e90\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-registry-cache-troubleshooting-cache.webp\" alt=\"\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\u67b6\u6784\" loading=\"lazy\" \/><\/p>\n<h2>\u628a\u6392\u969c\u6d41\u7a0b\u56fa\u5b9a\u6210 5 \u4e2a\u68c0\u67e5\u70b9<\/h2>\n<p>\u955c\u50cf\u62c9\u53d6\u95ee\u9898\u5bb9\u6613\u590d\u53d1\uff0c\u539f\u56e0\u662f\u5f88\u591a\u56e2\u961f\u53ea\u5728\u5931\u8d25\u5f53\u5929\u4e34\u65f6\u6539\u914d\u7f6e\uff0c\u6ca1\u6709\u7559\u4e0b\u9a8c\u8bc1\u6807\u51c6\u3002\u66f4\u597d\u7684\u65b9\u5f0f\u662f\u628a\u6392\u969c\u56fa\u5b9a\u4e3a 5 \u4e2a\u68c0\u67e5\u70b9\uff0c\u6bcf\u6b21\u6545\u969c\u90fd\u6309\u540c\u4e00\u987a\u5e8f\u8bb0\u5f55\u7ed3\u679c\u3002<\/p>\n<ul>\n<li>DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\uff1a<code>nslookup registry-1.docker.io<\/code> \u662f\u5426\u5728 2 \u79d2\u5185\u8fd4\u56de\u7ed3\u679c\uff0c\u89e3\u6790\u5730\u5740\u662f\u5426\u5f02\u5e38\u6f02\u79fb\u3002<\/li>\n<li>\u7f51\u7edc\u51fa\u53e3\uff1a<code>curl -I --connect-timeout 8<\/code> \u662f\u5426\u80fd\u8fde\u901a registry API\uff08\u955c\u50cf\u4ed3\u5e93\u63a5\u53e3\uff09\uff0c\u5931\u8d25\u65f6\u8bb0\u5f55\u516c\u7f51\u51fa\u53e3 IP\u3002<\/li>\n<li>Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u914d\u7f6e\uff1a<code>docker info<\/code> \u662f\u5426\u663e\u793a\u9884\u671f registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\uff0c\u91cd\u542f\u540e\u662f\u5426\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li>\u8ba4\u8bc1\u51ed\u636e\uff1a<code>docker login<\/code> \u4f7f\u7528\u7684\u8d26\u53f7\u3001token\uff08\u8bbf\u95ee\u4ee4\u724c\uff09\u548c\u4ed3\u5e93\u547d\u540d\u7a7a\u95f4\u662f\u5426\u4e00\u81f4\u3002<\/li>\n<li>\u7f13\u5b58\u547d\u4e2d\uff1a\u79c1\u6709\u4ed3\u5e93\u65e5\u5fd7\u4e2d\u662f\u5426\u51fa\u73b0\u76f8\u540c\u955c\u50cf\u7684\u91cd\u590d\u4e0b\u8f7d\uff0c\u7f13\u5b58\u76ee\u5f55\u5bb9\u91cf\u662f\u5426\u8d85\u8fc7 80%\u3002<\/li>\n<\/ul>\n<p>\u8fd9 5 \u4e2a\u68c0\u67e5\u70b9\u7684\u4ef7\u503c\u5728\u4e8e\u628a\u201c\u611f\u89c9\u7f51\u7edc\u4e0d\u597d\u201d\u8f6c\u6210\u53ef\u6bd4\u8f83\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u540c\u4e00\u53f0\u673a\u5668 <code>curl<\/code> \u7a33\u5b9a\u8fd4\u56de 401\uff0c\u4f46 <code>docker pull<\/code> \u62a5\u8ba4\u8bc1\u5931\u8d25\uff0c\u6392\u67e5\u91cd\u70b9\u5c31\u5e94\u8f6c\u5230 Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u7684\u51ed\u636e\u548c\u955c\u50cf\u8def\u5f84\uff1b\u5982\u679c\u4e24\u8005\u90fd\u8d85\u65f6\uff0c\u624d\u9700\u8981\u7ee7\u7eed\u67e5\u4ee3\u7406\u3001DNS\uff08\u57df\u540d\u89e3\u6790\u7cfb\u7edf\uff09\u6216\u51fa\u53e3\u9632\u706b\u5899\u3002<\/p>\n<p>\u5bf9\u4e8e\u8fd0\u884c WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u3001\u4e1a\u52a1 API\uff08\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff09\u548c\u6784\u5efa\u4efb\u52a1\u6df7\u90e8\u7684\u5c0f\u56e2\u961f\uff0c\u4e5f\u5efa\u8bae\u628a\u955c\u50cf\u4e0b\u8f7d\u5b89\u6392\u5728\u4f4e\u5cf0\u65f6\u6bb5\uff0c\u907f\u514d\u4e0e\u7ad9\u70b9\u8bbf\u95ee\u9ad8\u5cf0\u62a2\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u3002\u7ad9\u70b9\u6027\u80fd\u76f8\u5173\u7684\u57fa\u7840\u4f18\u5316\u601d\u8def\uff0c\u53ef\u5ef6\u4f38\u9605\u8bfb<a href=\"https:\/\/cn.hostease.com\/blog\/guides\/ttfb-hosting-optimization\/\">TTFB \u4e0e\u4e3b\u673a\u4f18\u5316\u6307\u5357<\/a>\uff0c\u628a\u90e8\u7f72\u94fe\u8def\u548c\u8bbf\u95ee\u94fe\u8def\u5206\u5f00\u8bc4\u4f30\u3002<\/p>\n<h2>\u5e38\u89c1\u914d\u7f6e\u8bef\u533a\u4e0e\u4fee\u590d\u5efa\u8bae<\/h2>\n<p>\u5f88\u591a Docker \u955c\u50cf\u62c9\u53d6\u5931\u8d25\u5e76\u4e0d\u662f\u7f3a\u5c11 mirror\uff0c\u800c\u662f\u914d\u7f6e\u8fb9\u754c\u4e0d\u6e05\u3002\u6bd4\u5982\u628a\u79c1\u6709\u4ed3\u5e93\u5730\u5740\u5199\u8fdb <code>registry-mirrors<\/code>\uff0c\u5374\u6ca1\u6709\u5904\u7406\u79c1\u6709\u4ed3\u5e93\u8ba4\u8bc1\uff1b\u6216\u8005\u53ea\u5728\u4e00\u53f0\u6784\u5efa\u673a\u4e0a\u6539\u4e86 <code>\/etc\/docker\/daemon.json<\/code>\uff0cKubernetes\uff08\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff09\u8282\u70b9\u4ecd\u7136\u4f7f\u7528\u65e7\u914d\u7f6e\u3002\u8fd8\u6709\u4e00\u79cd\u5e38\u89c1\u60c5\u51b5\u662f\u4f01\u4e1a\u4ee3\u7406\u62e6\u622a HTTPS\uff08\u52a0\u5bc6\u8d85\u6587\u672c\u4f20\u8f93\u534f\u8bae\uff09\uff0c\u5bfc\u81f4\u8bc1\u4e66\u94fe\u4e0d\u5b8c\u6574\uff0cDocker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u62a5 <code>x509 certificate signed by unknown authority<\/code>\u3002<\/p>\n<p>\u4fee\u590d\u65f6\u53ef\u4ee5\u6309\u201c\u5148\u5355\u673a\u3001\u540e\u96c6\u7fa4\u3001\u518d\u81ea\u52a8\u5316\u201d\u7684\u987a\u5e8f\u63a8\u8fdb\u3002\u5148\u9009\u4e00\u53f0\u95ee\u9898\u673a\u5668\u5b8c\u6210 <code>curl<\/code>\u3001<code>docker pull<\/code>\u3001<code>docker info<\/code> \u7684\u9a8c\u8bc1\uff1b\u7136\u540e\u628a\u76f8\u540c\u914d\u7f6e\u63a8\u5e7f\u5230\u6784\u5efa\u8282\u70b9\u6216\u90e8\u7f72\u8282\u70b9\uff1b\u6700\u540e\u518d\u5199\u5165 Ansible\uff08\u81ea\u52a8\u5316\u8fd0\u7ef4\u5de5\u5177\uff09\u3001cloud-init\uff08<a href=\"https:\/\/cn.hostease.com\/vps\/\">\u4e91\u4e3b\u673a<\/a>\u521d\u59cb\u5316\u5de5\u5177\uff09\u6216\u955c\u50cf\u6a21\u677f\uff0c\u907f\u514d\u4e0b\u6b21\u6269\u5bb9\u65f6\u91cd\u65b0\u8e29\u5751\u3002<\/p>\n<p>\u5982\u679c\u4f60\u7ba1\u7406\u7684\u662f\u591a\u7ad9\u70b9\u73af\u5883\uff0c\u8fd8\u5e94\u628a\u5bb9\u5668\u955c\u50cf\u7b56\u7565\u4e0e\u7ad9\u70b9\u5907\u4efd\u7b56\u7565\u5206\u5f00\u3002\u955c\u50cf\u4ed3\u5e93\u7f13\u5b58\u89e3\u51b3\u7684\u662f\u90e8\u7f72\u53ef\u91cd\u590d\u6027\uff0c\u7f51\u7ad9\u5907\u4efd\u89e3\u51b3\u7684\u662f\u4e1a\u52a1\u6570\u636e\u6062\u590d\uff0c\u4e24\u8005\u4e0d\u80fd\u4e92\u76f8\u66ff\u4ee3\u3002\u66f4\u591a\u7f51\u7ad9\u5c42\u9762\u7684\u8fd0\u7ef4\u5185\u5bb9\uff0c\u53ef\u4ee5\u67e5\u770b<a href=\"https:\/\/cn.hostease.com\/blog\/wordpress\/\">WordPress\uff08\u5185\u5bb9\u7ba1\u7406\u7cfb\u7edf\uff09\u8fd0\u7ef4\u4e0e\u4f18\u5316\u6587\u7ae0<\/a>\uff0c\u628a\u5e94\u7528\u3001\u6570\u636e\u548c\u90e8\u7f72\u5236\u54c1\u5206\u522b\u7eb3\u5165\u7ba1\u7406\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-registry-cache-troubleshooting-comparison.webp\" alt=\"\u955c\u50cf\u7f13\u5b58\u914d\u7f6e\u8bef\u533a\u5bf9\u6bd4\" loading=\"lazy\" \/><\/p>\n<h2>\u9a8c\u8bc1\u6807\u51c6\uff1a\u8ba9\u4e0b\u4e00\u6b21\u6545\u969c\u66f4\u5bb9\u6613\u5b9a\u4f4d<\/h2>\n<p>\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u4e0d\u8981\u53ea\u770b <code>docker pull<\/code> \u6210\u529f\u4e00\u6b21\u5c31\u7ed3\u675f\u3002\u5efa\u8bae\u81f3\u5c11\u505a\u4e09\u9879\u9a8c\u8bc1\uff1a\u51b7\u542f\u52a8\u62c9\u53d6\u3001\u91cd\u590d\u62c9\u53d6\u3001\u51ed\u636e\u5931\u6548\u6a21\u62df\u3002\u51b7\u542f\u52a8\u7528\u4e8e\u89c2\u5bdf\u9996\u6b21\u4e0b\u8f7d\u8017\u65f6\uff1b\u91cd\u590d\u62c9\u53d6\u7528\u4e8e\u786e\u8ba4\u7f13\u5b58\u662f\u5426\u547d\u4e2d\uff1b\u51ed\u636e\u5931\u6548\u6a21\u62df\u7528\u4e8e\u786e\u8ba4\u79c1\u6709\u955c\u50cf\u4e0d\u4f1a\u56e0\u4e3a\u533f\u540d fallback\uff08\u56de\u9000\u673a\u5236\uff09\u800c\u8bef\u5224\u6210\u529f\u3002<\/p>\n<p>\u6700\u540e\u7ed9\u4e00\u4e2a\u843d\u5730\u5efa\u8bae\uff1a\u5982\u679c\u53ea\u662f\u5076\u53d1\u516c\u5171\u955c\u50cf\u4e0b\u8f7d\u6162\uff0c\u5148\u914d\u7f6e registry mirror\uff08\u955c\u50cf\u52a0\u901f\u5730\u5740\uff09\u5e76\u4fdd\u7559 1 \u5468\u65e5\u5fd7\uff1b\u5982\u679c\u6784\u5efa\u4efb\u52a1\u6bcf\u5929\u8d85\u8fc7 20 \u6b21\uff0c\u6216\u751f\u4ea7\u90e8\u7f72\u4f9d\u8d56\u56fa\u5b9a\u955c\u50cf\u7248\u672c\uff0c\u5c31\u53ef\u4ee5\u8003\u8651\u5f15\u5165\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\uff0c\u5e76\u7528 digest\uff08\u5185\u5bb9\u6458\u8981\uff09\u9501\u5b9a\u5173\u952e\u955c\u50cf\u3002\u82e5\u4f60\u9700\u8981\u628a Docker\uff08\u5bb9\u5668\u8fd0\u884c\u5de5\u5177\uff09\u90e8\u7f72\u5728\u7a33\u5b9a\u7684 Linux\uff08\u5f00\u6e90\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\uff09\u73af\u5883\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u8bbf\u95ee\u91cf\u3001\u6784\u5efa\u9891\u7387\u548c\u5e26\u5bbd\uff08\u5355\u4f4d\u65f6\u95f4\u5185\u53ef\u4f20\u8f93\u7684\u6570\u636e\u91cf\uff09\u9884\u7b97\uff0c\u9009\u62e9\u5408\u9002\u7684 Hostease \u4e3b\u673a\u65b9\u6848\u3002\u6838\u5fc3\u4e0d\u662f\u8ffd\u6c42\u590d\u6742\u67b6\u6784\uff0c\u800c\u662f\u8ba9\u6bcf\u4e00\u6b21\u955c\u50cf\u62c9\u53d6\u5931\u8d25\u90fd\u6709\u660e\u786e\u8bc1\u636e\u3001\u660e\u786e\u8d23\u4efb\u5c42\u548c\u53ef\u91cd\u590d\u7684\u4fee\u590d\u8def\u5f84\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece DNS\u3001\u7f51\u7edc\u3001registry mirror \u5230\u79c1\u6709\u4ed3\u5e93\u7f13\u5b58\uff0c\u7cfb\u7edf\u68b3\u7406 Docker \u955c\u50cf\u62c9\u53d6\u5931\u8d25\u7684\u6392\u67e5\u8def\u5f84\u4e0e\u914d\u7f6e\u793a\u4f8b\uff0c\u5e2e\u52a9\u51cf\u5c11\u90e8\u7f72\u4e2d\u65ad\u3002<\/p>\n","protected":false},"author":2,"featured_media":32610,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[3637,4824,4825],"class_list":["post-32614","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-docker","tag-registrymirror","tag-4825"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/docker-registry-cache-troubleshooting-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32614","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=32614"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32614\/revisions"}],"predecessor-version":[{"id":32626,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32614\/revisions\/32626"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32610"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32614"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32614"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32614"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}