{"id":13939,"date":"2024-11-15T22:55:10","date_gmt":"2024-11-15T14:55:10","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13939\/"},"modified":"2024-11-15T22:55:10","modified_gmt":"2024-11-15T14:55:10","slug":"docker%e4%b8%8ekubernetes%e9%9b%86%e6%88%90%e5%ae%9e%e7%8e%b0%e5%ae%b9%e5%99%a8%e7%bc%96%e6%8e%92%e5%92%8c%e8%87%aa%e5%8a%a8%e6%89%a9%e7%bc%a9%e5%ae%b9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13939\/","title":{"rendered":"Docker\u4e0eKubernetes\u96c6\u6210\u5b9e\u73b0\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9"},"content":{"rendered":"<h1 id=\"docker%e4%b8%8ekubernetes%e9%9b%86%e6%88%90%e5%ae%9e%e7%8e%b0%e5%ae%b9%e5%99%a8%e7%bc%96%e6%8e%92%e5%92%8c%e8%87%aa%e5%8a%a8%e6%89%a9%e7%bc%a9%e5%ae%b9-PVmWgkJrpa\">Docker\u4e0eKubernetes\u96c6\u6210\u5b9e\u73b0\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9<\/h1>\n<p>\u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u5bb9\u5668\u5316\u6280\u672f\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u4e3b\u6d41\u7684\u89e3\u51b3\u65b9\u6848\u3002Docker\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u53ca\u5176\u4f9d\u8d56\u6253\u5305\u6210\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u3002\u800cKubernetes\u5219\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5bb9\u5668\u7f16\u6392\u5de5\u5177\uff0c\u80fd\u591f\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u5bb9\u5668\u7684\u90e8\u7f72\u3001\u6269\u5c55\u548c\u7ba1\u7406\u3002\u672c\u6587\u5c06\u63a2\u8ba8Docker\u4e0eKubernetes\u7684\u96c6\u6210\uff0c\u5982\u4f55\u5b9e\u73b0\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9\u3002<\/p>\n<h2 id=\"docker%e7%ae%80%e4%bb%8b-PVmWgkJrpa\">Docker\u7b80\u4ecb<\/h2>\n<p>Docker\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4efb\u4f55\u73af\u5883\u4e2d\u5feb\u901f\u6784\u5efa\u3001\u6d4b\u8bd5\u548c\u90e8\u7f72\u5e94\u7528\u3002Docker\u901a\u8fc7\u5c06\u5e94\u7528\u53ca\u5176\u6240\u6709\u4f9d\u8d56\u9879\u6253\u5305\u5230\u4e00\u4e2a\u5bb9\u5668\u4e2d\uff0c\u786e\u4fdd\u4e86\u5e94\u7528\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u7684\u4e00\u81f4\u6027\u3002Docker\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>Docker Engine\uff1a<\/strong>\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u5bb9\u5668\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002<\/li>\n<li><strong>Docker Hub\uff1a<\/strong>\u4e00\u4e2a\u516c\u5171\u7684\u5bb9\u5668\u955c\u50cf\u5e93\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u8fd9\u91cc\u5206\u4eab\u548c\u83b7\u53d6\u5bb9\u5668\u955c\u50cf\u3002<\/li>\n<li><strong>Docker Compose\uff1a<\/strong>\u7528\u4e8e\u5b9a\u4e49\u548c\u8fd0\u884c\u591a\u5bb9\u5668Docker\u5e94\u7528\u7684\u5de5\u5177\u3002<\/li>\n<\/ul>\n<h2 id=\"kubernetes%e7%ae%80%e4%bb%8b-PVmWgkJrpa\">Kubernetes\u7b80\u4ecb<\/h2>\n<p>Kubernetes\uff08\u901a\u5e38\u7b80\u79f0\u4e3aK8s\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff0c\u6700\u521d\u7531Google\u5f00\u53d1\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u81ea\u52a8\u5316\u90e8\u7f72\u3001\u6269\u5c55\u548c\u7ba1\u7406\u5bb9\u5668\u5316\u5e94\u7528\u7684\u65b9\u6cd5\u3002Kubernetes\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u81ea\u52a8\u6269\u7f29\u5bb9\uff1a<\/strong>\u6839\u636e\u8d1f\u8f7d\u81ea\u52a8\u589e\u52a0\u6216\u51cf\u5c11\u5bb9\u5668\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u8d1f\u8f7d\u5747\u8861\uff1a<\/strong>\u5c06\u6d41\u91cf\u5206\u914d\u5230\u591a\u4e2a\u5bb9\u5668\u5b9e\u4f8b\uff0c\u786e\u4fdd\u9ad8\u53ef\u7528\u6027\u3002<\/li>\n<li><strong>\u81ea\u6211\u4fee\u590d\uff1a<\/strong>\u81ea\u52a8\u91cd\u542f\u5931\u8d25\u7684\u5bb9\u5668\uff0c\u66ff\u6362\u4e0d\u53ef\u7528\u7684\u5bb9\u5668\u3002<\/li>\n<\/ul>\n<h2 id=\"docker%e4%b8%8ekubernetes%e7%9a%84%e9%9b%86%e6%88%90-PVmWgkJrpa\">Docker\u4e0eKubernetes\u7684\u96c6\u6210<\/h2>\n<p>Docker\u4e0eKubernetes\u7684\u96c6\u6210\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5145\u5206\u5229\u7528\u4e24\u8005\u7684\u4f18\u52bf\u3002\u901a\u8fc7\u5c06Docker\u5bb9\u5668\u4e0eKubernetes\u7ed3\u5408\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5e94\u7528\u7ba1\u7406\u548c\u90e8\u7f72\u3002\u4ee5\u4e0b\u662f\u96c6\u6210\u7684\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a<\/p>\n<h3 id=\"1-%e5%88%9b%e5%bb%badocker%e9%95%9c%e5%83%8f-PVmWgkJrpa\">1. \u521b\u5efaDocker\u955c\u50cf<\/h3>\n<p>\u9996\u5148\uff0c\u5f00\u53d1\u8005\u9700\u8981\u521b\u5efa\u4e00\u4e2aDocker\u955c\u50cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Dockerfile\u793a\u4f8b\uff1a<\/p>\n<pre><code>FROM nginx:alpine\nCOPY .\/html \/usr\/share\/nginx\/html\n<\/code><\/pre>\n<p>\u4f7f\u7528\u4e0a\u8ff0Dockerfile\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5305\u542b\u9759\u6001\u7f51\u9875\u7684Nginx\u5bb9\u5668\u3002<\/p>\n<h3 id=\"2-%e6%8e%a8%e9%80%81%e9%95%9c%e5%83%8f%e5%88%b0docker-hub-PVmWgkJrpa\">2. \u63a8\u9001\u955c\u50cf\u5230Docker Hub<\/h3>\n<p>\u6784\u5efa\u5b8c\u6210\u540e\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5c06\u955c\u50cf\u63a8\u9001\u5230Docker Hub\uff0c\u4ee5\u4fbfKubernetes\u80fd\u591f\u8bbf\u95ee\uff1a<\/p>\n<pre><code>docker build -t username\/myapp:latest .\ndocker push username\/myapp:latest\n<\/code><\/pre>\n<h3 id=\"3-%e5%88%9b%e5%bb%bakubernetes%e9%83%a8%e7%bd%b2-PVmWgkJrpa\">3. \u521b\u5efaKubernetes\u90e8\u7f72<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u5f00\u53d1\u8005\u9700\u8981\u521b\u5efa\u4e00\u4e2aKubernetes\u90e8\u7f72\u6587\u4ef6\uff0c\u5b9a\u4e49\u5982\u4f55\u8fd0\u884cDocker\u5bb9\u5668\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684YAML\u6587\u4ef6\u793a\u4f8b\uff1a<\/p>\n<pre><code>apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: myapp\nspec:\n  replicas: 3\n  selector:\n    matchLabels:\n      app: myapp\n  template:\n    metadata:\n      labels:\n        app: myapp\n    spec:\n      containers:\n      - name: myapp\n        image: username\/myapp:latest\n        ports:\n        - containerPort: 80\n<\/code><\/pre>\n<h3 id=\"4-%e9%83%a8%e7%bd%b2%e5%88%b0kubernetes%e9%9b%86%e7%be%a4-PVmWgkJrpa\">4. \u90e8\u7f72\u5230Kubernetes\u96c6\u7fa4<\/h3>\n<p>\u4f7f\u7528kubectl\u547d\u4ee4\u5c06\u90e8\u7f72\u6587\u4ef6\u5e94\u7528\u5230Kubernetes\u96c6\u7fa4\u4e2d\uff1a<\/p>\n<pre><code>kubectl apply -f deployment.yaml\n<\/code><\/pre>\n<h3 id=\"5-%e8%87%aa%e5%8a%a8%e6%89%a9%e7%bc%a9%e5%ae%b9-PVmWgkJrpa\">5. \u81ea\u52a8\u6269\u7f29\u5bb9<\/h3>\n<p>Kubernetes\u652f\u6301\u6839\u636eCPU\u6216\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u81ea\u52a8\u6269\u7f29\u5bb9\u3002\u53ef\u4ee5\u4f7f\u7528Horizontal Pod Autoscaler\uff08HPA\uff09\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u521b\u5efaHPA\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>kubectl autoscale deployment myapp --cpu-percent=50 --min=1 --max=10\n<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u6839\u636eCPU\u4f7f\u7528\u7387\u57281\u523010\u4e2a\u526f\u672c\u4e4b\u95f4\u81ea\u52a8\u8c03\u6574myapp\u7684\u5b9e\u4f8b\u6570\u91cf\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-PVmWgkJrpa\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u5c06Docker\u4e0eKubernetes\u96c6\u6210\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u6548\u7684\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9\u3002\u8fd9\u79cd\u7ec4\u5408\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u5e94\u7528\u7684\u53ef\u7528\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u8fd8\u7b80\u5316\u4e86\u7ba1\u7406\u6d41\u7a0b\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u4e91\u73af\u5883\u4e2d\u90e8\u7f72\u548c\u7ba1\u7406\u5e94\u7528\u7684\u4f01\u4e1a\u6765\u8bf4\uff0c\u4f7f\u7528Docker\u548cKubernetes\u662f\u4e00\u4e2a\u7406\u60f3\u7684\u9009\u62e9\u3002\u5982\u679c\u60a8\u5bf9\u4e91\u670d\u52a1\u5668\u3001<a href=\"https:\/\/fwq.ai\">\u7f8e\u56fdVPS<\/a>\u6216\u5176\u4ed6\u76f8\u5173\u670d\u52a1\u611f\u5174\u8da3\uff0c\u6b22\u8fce\u8bbf\u95ee\u7c73\u4e91\u7684\u5b98\u65b9\u7f51\u7ad9\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Docker\u4e0eKubernetes\u96c6\u6210\u5b9e\u73b0\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9 \u5728\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u5bb9\u5668\u5316\u6280\u672f\u5df2\u7ecf\u6210\u4e3a\u4e00\u79cd\u4e3b\u6d41\u7684\u89e3\u51b3\u65b9\u6848\u3002Docker\u4f5c\u4e3a\u4e00\u79cd\u6d41\u884c\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5c06\u5e94\u7528\u53ca\u5176\u4f9d\u8d56\u6253\u5305\u6210\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u3002\u800cKubernetes\u5219\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5bb9\u5668\u7f16\u6392\u5de5\u5177\uff0c\u80fd\u591f\u7ba1\u7406\u548c\u81ea\u52a8\u5316\u5bb9\u5668\u7684\u90e8\u7f72\u3001\u6269\u5c55\u548c\u7ba1\u7406\u3002\u672c\u6587\u5c06\u63a2\u8ba8Docker\u4e0eKubernetes\u7684\u96c6\u6210\uff0c\u5982\u4f55\u5b9e\u73b0\u5bb9\u5668\u7f16\u6392\u548c\u81ea\u52a8\u6269\u7f29\u5bb9\u3002 Docker\u7b80\u4ecb Docker\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4efb\u4f55\u73af\u5883\u4e2d\u5feb\u901f\u6784\u5efa\u3001\u6d4b\u8bd5\u548c\u90e8\u7f72\u5e94\u7528\u3002Docker\u901a\u8fc7\u5c06\u5e94\u7528\u53ca\u5176\u6240\u6709\u4f9d\u8d56\u9879\u6253\u5305\u5230\u4e00\u4e2a\u5bb9\u5668\u4e2d\uff0c\u786e\u4fdd\u4e86\u5e94\u7528\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u7684\u4e00\u81f4\u6027\u3002Docker\u7684\u4e3b\u8981\u7ec4\u4ef6\u5305\u62ec\uff1a Docker Engine\uff1a\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u5bb9\u5668\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002 Docker Hub\uff1a\u4e00\u4e2a\u516c\u5171\u7684\u5bb9\u5668\u955c\u50cf\u5e93\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5728\u8fd9\u91cc\u5206\u4eab\u548c\u83b7\u53d6\u5bb9\u5668\u955c\u50cf\u3002 Docker Compose\uff1a\u7528\u4e8e\u5b9a\u4e49\u548c\u8fd0\u884c\u591a\u5bb9\u5668Docker\u5e94\u7528\u7684\u5de5\u5177\u3002 Kubernetes\u7b80\u4ecb Kubernetes\uff08\u901a\u5e38\u7b80\u79f0\u4e3aK8s\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u7f16\u6392\u5e73\u53f0\uff0c\u6700\u521d\u7531Google\u5f00\u53d1\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u81ea\u52a8\u5316\u90e8\u7f72\u3001\u6269\u5c55\u548c\u7ba1\u7406\u5bb9\u5668\u5316\u5e94\u7528\u7684\u65b9\u6cd5\u3002Kubernetes\u7684\u4e3b\u8981\u529f\u80fd\u5305\u62ec\uff1a \u81ea\u52a8\u6269\u7f29\u5bb9\uff1a\u6839\u636e\u8d1f\u8f7d\u81ea\u52a8\u589e\u52a0\u6216\u51cf\u5c11\u5bb9\u5668\u5b9e\u4f8b\u3002 \u8d1f\u8f7d\u5747\u8861\uff1a\u5c06\u6d41\u91cf\u5206\u914d\u5230\u591a\u4e2a\u5bb9\u5668\u5b9e\u4f8b\uff0c\u786e\u4fdd\u9ad8\u53ef\u7528\u6027\u3002 \u81ea\u6211\u4fee\u590d\uff1a\u81ea\u52a8\u91cd\u542f\u5931\u8d25\u7684\u5bb9\u5668\uff0c\u66ff\u6362\u4e0d\u53ef\u7528\u7684\u5bb9\u5668\u3002 Docker\u4e0eKubernetes\u7684\u96c6\u6210 Docker\u4e0eKubernetes\u7684\u96c6\u6210\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5145\u5206\u5229\u7528\u4e24\u8005\u7684\u4f18\u52bf\u3002\u901a\u8fc7\u5c06Docker\u5bb9\u5668\u4e0eKubernetes\u7ed3\u5408\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u5e94\u7528\u7ba1\u7406\u548c\u90e8\u7f72\u3002\u4ee5\u4e0b\u662f\u96c6\u6210\u7684\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a 1. \u521b\u5efaDocker\u955c\u50cf \u9996\u5148\uff0c\u5f00\u53d1\u8005\u9700\u8981\u521b\u5efa\u4e00\u4e2aDocker\u955c\u50cf\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Dockerfile\u793a\u4f8b\uff1a FROM nginx:alpine COPY .\/html \/usr\/share\/nginx\/html \u4f7f\u7528\u4e0a\u8ff0Dockerfile\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5305\u542b\u9759\u6001\u7f51\u9875\u7684Nginx\u5bb9\u5668\u3002 2. \u63a8\u9001\u955c\u50cf\u5230Docker Hub \u6784\u5efa\u5b8c\u6210\u540e\uff0c\u5f00\u53d1\u8005\u9700\u8981\u5c06\u955c\u50cf\u63a8\u9001\u5230Docker Hub\uff0c\u4ee5\u4fbfKubernetes\u80fd\u591f\u8bbf\u95ee\uff1a docker build -t username\/myapp:latest . docker push username\/myapp:latest 3. \u521b\u5efaKubernetes\u90e8\u7f72 \u63a5\u4e0b\u6765\uff0c\u5f00\u53d1\u8005\u9700\u8981\u521b\u5efa\u4e00\u4e2aKubernetes\u90e8\u7f72\u6587\u4ef6\uff0c\u5b9a\u4e49\u5982\u4f55\u8fd0\u884cDocker\u5bb9\u5668\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684YAML\u6587\u4ef6\u793a\u4f8b\uff1a apiVersion: apps\/v1 kind: Deployment metadata: name: myapp spec: replicas: 3 selector: matchLabels: app: 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