{"id":13336,"date":"2024-11-15T17:27:58","date_gmt":"2024-11-15T09:27:58","guid":{"rendered":"https:\/\/fwq.ai\/blog\/13336\/"},"modified":"2024-11-15T17:27:58","modified_gmt":"2024-11-15T09:27:58","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8docker%e4%b8%ad%e5%ae%9e%e7%8e%b0%e5%ae%b9%e5%99%a8%e7%9a%84%e5%8a%a8%e6%80%81%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e4%b8%8e%e9%ab%98%e6%95%88%e8%b0%83%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/13336\/","title":{"rendered":"\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8docker%e4%b8%ad%e5%ae%9e%e7%8e%b0%e5%ae%b9%e5%99%a8%e7%9a%84%e5%8a%a8%e6%80%81%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e4%b8%8e%e9%ab%98%e6%95%88%e8%b0%83%e5%ba%a6-HfvyTCaWjd\">\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6<\/h1>\n<p>\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0cDocker\u4f5c\u4e3a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u8d8a\u6765\u8d8a\u53d7\u5230\u5f00\u53d1\u8005\u548c\u8fd0\u7ef4\u4eba\u5458\u7684\u9752\u7750\u3002\u5728Docker\u73af\u5883\u4e2d\uff0c\u5982\u4f55\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6\uff0c\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728Docker\u4e2d\u5b9e\u73b0\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6\u7684\u51e0\u79cd\u65b9\u6cd5\u548c\u5de5\u5177\u3002<\/p>\n<h2 id=\"%e5%8a%a8%e6%80%81%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e7%9a%84%e6%a6%82%e5%bf%b5-HfvyTCaWjd\">\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u7684\u6982\u5ff5<\/h2>\n<p>\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u662f\u6307\u6839\u636e\u5b9e\u65f6\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u5c06\u8bf7\u6c42\u5206\u914d\u5230\u4e0d\u540c\u7684\u5bb9\u5668\u5b9e\u4f8b\u4e0a\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u3002\u901a\u8fc7\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u8d44\u6e90\uff0c\u907f\u514d\u67d0\u4e9b\u5bb9\u5668\u8fc7\u8f7d\u800c\u5176\u4ed6\u5bb9\u5668\u95f2\u7f6e\u7684\u60c5\u51b5\u3002<\/p>\n<h2 id=\"docker%e4%b8%ad%e7%9a%84%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e6%96%b9%e6%b3%95-HfvyTCaWjd\">Docker\u4e2d\u7684\u8d1f\u8f7d\u5747\u8861\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8docker-swarm-HfvyTCaWjd\">1. \u4f7f\u7528Docker Swarm<\/h3>\n<p>Docker Swarm\u662fDocker\u539f\u751f\u7684\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u5bb9\u5668\u7684\u81ea\u52a8\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7Swarm\uff0c\u7528\u6237\u53ef\u4ee5\u5c06\u591a\u4e2aDocker\u4e3b\u673a\u7ec4\u5408\u6210\u4e00\u4e2a\u96c6\u7fa4\uff0c\u5e76\u5728\u96c6\u7fa4\u4e2d\u90e8\u7f72\u670d\u52a1\u3002Swarm\u4f1a\u81ea\u52a8\u76d1\u63a7\u5404\u4e2a\u670d\u52a1\u7684\u72b6\u6001\uff0c\u5e76\u6839\u636e\u8d1f\u8f7d\u60c5\u51b5\u8fdb\u884c\u52a8\u6001\u8c03\u5ea6\u3002<\/p>\n<pre><code>docker service create --name my_service --replicas 3 my_image<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cmy_service\u201d\u7684\u670d\u52a1\uff0c\u5e76\u6307\u5b9a\u4e863\u4e2a\u526f\u672c\u3002Swarm\u4f1a\u81ea\u52a8\u5c06\u8bf7\u6c42\u5206\u914d\u5230\u8fd93\u4e2a\u526f\u672c\u4e0a\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8nginx%e4%bd%9c%e4%b8%ba%e5%8f%8d%e5%90%91%e4%bb%a3%e7%90%86-HfvyTCaWjd\">2. \u4f7f\u7528Nginx\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406<\/h3>\n<p>Nginx\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684HTTP\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4e0eDocker\u5bb9\u5668\u7ed3\u5408\u4f7f\u7528\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7\u914d\u7f6eNginx\uff0c\u53ef\u4ee5\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2aDocker\u5bb9\u5668\u4e2d\u3002<\/p>\n<pre><code>http {\n    upstream my_app {\n        server container1:80;\n        server container2:80;\n        server container3:80;\n    }\n\n    server {\n        listen 80;\n        location \/ {\n            proxy_pass http:\/\/my_app;\n        }\n    }\n}<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0cNginx\u4f1a\u5c06\u8bf7\u6c42\u5747\u5300\u5730\u5206\u53d1\u5230container1\u3001container2\u548ccontainer3\u8fd9\u4e09\u4e2a\u5bb9\u5668\u4e0a\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8kubernetes%e8%bf%9b%e8%a1%8c%e5%ae%b9%e5%99%a8%e7%bc%96%e6%8e%92-HfvyTCaWjd\">3. \u4f7f\u7528Kubernetes\u8fdb\u884c\u5bb9\u5668\u7f16\u6392<\/h3>\n<p>Kubernetes\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5bb9\u5668\u7f16\u6392\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8d1f\u8f7d\u5747\u8861\u548c\u8c03\u5ea6\u529f\u80fd\u3002Kubernetes\u901a\u8fc7Service\u5bf9\u8c61\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6839\u636e\u5bb9\u5668\u7684\u5065\u5eb7\u72b6\u6001\u548c\u8d1f\u8f7d\u60c5\u51b5\uff0c\u52a8\u6001\u8c03\u6574\u8bf7\u6c42\u7684\u5206\u914d\u3002<\/p>\n<pre><code>apiVersion: v1\nkind: Service\nmetadata:\n  name: my-service\nspec:\n  selector:\n    app: my-app\n  ports:\n    - protocol: TCP\n      port: 80\n      targetPort: 8080\n  type: LoadBalancer<\/code><\/pre>\n<p>\u5728Kubernetes\u4e2d\uff0cService\u4f1a\u81ea\u52a8\u521b\u5efa\u4e00\u4e2a\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5c06\u6d41\u91cf\u5206\u53d1\u5230\u7b26\u5408\u6761\u4ef6\u7684Pod\u4e0a\u3002<\/p>\n<h2 id=\"%e9%ab%98%e6%95%88%e8%b0%83%e5%ba%a6%e7%9a%84%e7%ad%96%e7%95%a5-HfvyTCaWjd\">\u9ad8\u6548\u8c03\u5ea6\u7684\u7b56\u7565<\/h2>\n<p>\u9664\u4e86\u8d1f\u8f7d\u5747\u8861\uff0c\u5bb9\u5668\u7684\u9ad8\u6548\u8c03\u5ea6\u4e5f\u662f\u786e\u4fdd\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u51e0\u79cd\u5e38\u89c1\u7684\u8c03\u5ea6\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u8d44\u6e90\u8bf7\u6c42\u548c\u9650\u5236\uff1a<\/strong>\u5728\u521b\u5efa\u5bb9\u5668\u65f6\uff0c\u5408\u7406\u8bbe\u7f6eCPU\u548c\u5185\u5b58\u7684\u8bf7\u6c42\u4e0e\u9650\u5236\uff0c\u53ef\u4ee5\u5e2e\u52a9\u8c03\u5ea6\u5668\u66f4\u597d\u5730\u5206\u914d\u8d44\u6e90\u3002<\/li>\n<li><strong>\u4eb2\u548c\u6027\u548c\u53cd\u4eb2\u548c\u6027\uff1a<\/strong>\u901a\u8fc7\u8bbe\u7f6e\u5bb9\u5668\u4e4b\u95f4\u7684\u4eb2\u548c\u6027\u548c\u53cd\u4eb2\u548c\u6027\uff0c\u53ef\u4ee5\u63a7\u5236\u5bb9\u5668\u7684\u90e8\u7f72\u4f4d\u7f6e\uff0c\u4f18\u5316\u8d44\u6e90\u5229\u7528\u7387\u3002<\/li>\n<li><strong>\u8282\u70b9\u9009\u62e9\u5668\uff1a<\/strong>\u4f7f\u7528\u8282\u70b9\u9009\u62e9\u5668\u53ef\u4ee5\u5c06\u7279\u5b9a\u7684\u5bb9\u5668\u8c03\u5ea6\u5230\u7279\u5b9a\u7684\u8282\u70b9\u4e0a\uff0c\u6ee1\u8db3\u7279\u5b9a\u7684\u9700\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-HfvyTCaWjd\">\u603b\u7ed3<\/h2>\n<p>\u5728Docker\u4e2d\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u7528\u6027\u548c\u6027\u80fd\uff0c\u8fd8\u80fd\u6709\u6548\u5229\u7528\u8d44\u6e90\u3002\u901a\u8fc7\u4f7f\u7528Docker Swarm\u3001Nginx\u548cKubernetes\u7b49\u5de5\u5177\uff0c\u7528\u6237\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6848\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u6548\u7ba1\u7406\u548c\u8c03\u5ea6\u7684\u7528\u6237\uff0c\u9009\u62e9\u5408\u9002\u7684\u4e91\u670d\u52a1\u5668\u548c\u670d\u52a1\u63d0\u4f9b\u5546\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u7c73\u4e91\u63d0\u4f9b\u591a\u79cd<em><a href=\"https:\/\/fwq.ai\">\u7f8e\u56fd\u4e91\u670d\u52a1\u5668<\/a><\/em>\u89e3\u51b3\u65b9\u6848\uff0c\u5e2e\u52a9\u7528\u6237\u5b9e\u73b0\u9ad8\u6548\u7684\u5bb9\u5668\u7ba1\u7406\u4e0e\u8c03\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728Docker\u4e2d\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6 \u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0cDocker\u4f5c\u4e3a\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u5bb9\u5668\u5316\u6280\u672f\uff0c\u8d8a\u6765\u8d8a\u53d7\u5230\u5f00\u53d1\u8005\u548c\u8fd0\u7ef4\u4eba\u5458\u7684\u9752\u7750\u3002\u5728Docker\u73af\u5883\u4e2d\uff0c\u5982\u4f55\u5b9e\u73b0\u5bb9\u5668\u7684\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6\uff0c\u6210\u4e3a\u4e86\u4e00\u4e2a\u91cd\u8981\u7684\u8bfe\u9898\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5728Docker\u4e2d\u5b9e\u73b0\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u4e0e\u9ad8\u6548\u8c03\u5ea6\u7684\u51e0\u79cd\u65b9\u6cd5\u548c\u5de5\u5177\u3002 \u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u7684\u6982\u5ff5 \u52a8\u6001\u8d1f\u8f7d\u5747\u8861\u662f\u6307\u6839\u636e\u5b9e\u65f6\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u5c06\u8bf7\u6c42\u5206\u914d\u5230\u4e0d\u540c\u7684\u5bb9\u5668\u5b9e\u4f8b\u4e0a\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u3002\u901a\u8fc7\u52a8\u6001\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5229\u7528\u8d44\u6e90\uff0c\u907f\u514d\u67d0\u4e9b\u5bb9\u5668\u8fc7\u8f7d\u800c\u5176\u4ed6\u5bb9\u5668\u95f2\u7f6e\u7684\u60c5\u51b5\u3002 Docker\u4e2d\u7684\u8d1f\u8f7d\u5747\u8861\u65b9\u6cd5 1. \u4f7f\u7528Docker Swarm Docker Swarm\u662fDocker\u539f\u751f\u7684\u96c6\u7fa4\u7ba1\u7406\u5de5\u5177\uff0c\u652f\u6301\u5bb9\u5668\u7684\u81ea\u52a8\u8c03\u5ea6\u548c\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7Swarm\uff0c\u7528\u6237\u53ef\u4ee5\u5c06\u591a\u4e2aDocker\u4e3b\u673a\u7ec4\u5408\u6210\u4e00\u4e2a\u96c6\u7fa4\uff0c\u5e76\u5728\u96c6\u7fa4\u4e2d\u90e8\u7f72\u670d\u52a1\u3002Swarm\u4f1a\u81ea\u52a8\u76d1\u63a7\u5404\u4e2a\u670d\u52a1\u7684\u72b6\u6001\uff0c\u5e76\u6839\u636e\u8d1f\u8f7d\u60c5\u51b5\u8fdb\u884c\u52a8\u6001\u8c03\u5ea6\u3002 docker service create &#8211;name my_service &#8211;replicas 3 my_image \u4e0a\u8ff0\u547d\u4ee4\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cmy_service\u201d\u7684\u670d\u52a1\uff0c\u5e76\u6307\u5b9a\u4e863\u4e2a\u526f\u672c\u3002Swarm\u4f1a\u81ea\u52a8\u5c06\u8bf7\u6c42\u5206\u914d\u5230\u8fd93\u4e2a\u526f\u672c\u4e0a\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002 2. \u4f7f\u7528Nginx\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406 Nginx\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684HTTP\u548c\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u4e0eDocker\u5bb9\u5668\u7ed3\u5408\u4f7f\u7528\uff0c\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u3002\u901a\u8fc7\u914d\u7f6eNginx\uff0c\u53ef\u4ee5\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u591a\u4e2aDocker\u5bb9\u5668\u4e2d\u3002 http { upstream my_app { server container1:80; server container2:80; server container3:80; } server { listen 80; location \/ { proxy_pass http:\/\/my_app; } } } \u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0cNginx\u4f1a\u5c06\u8bf7\u6c42\u5747\u5300\u5730\u5206\u53d1\u5230container1\u3001container2\u548ccontainer3\u8fd9\u4e09\u4e2a\u5bb9\u5668\u4e0a\u3002 3. \u4f7f\u7528Kubernetes\u8fdb\u884c\u5bb9\u5668\u7f16\u6392 Kubernetes\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5bb9\u5668\u7f16\u6392\u5de5\u5177\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u8d1f\u8f7d\u5747\u8861\u548c\u8c03\u5ea6\u529f\u80fd\u3002Kubernetes\u901a\u8fc7Service\u5bf9\u8c61\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\uff0c\u53ef\u4ee5\u6839\u636e\u5bb9\u5668\u7684\u5065\u5eb7\u72b6\u6001\u548c\u8d1f\u8f7d\u60c5\u51b5\uff0c\u52a8\u6001\u8c03\u6574\u8bf7\u6c42\u7684\u5206\u914d\u3002 apiVersion: v1 kind: Service metadata: 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