{"id":1256,"date":"2025-05-10T08:38:11","date_gmt":"2025-05-09T23:38:11","guid":{"rendered":"https:\/\/itstudy365.com\/blog\/?p=1256"},"modified":"2025-05-26T17:56:42","modified_gmt":"2025-05-26T08:56:42","slug":"kubernetes-learning-%e7%ac%ac6%e7%ab%a0%ef%bc%9adeployment%e3%81%a8pod%e3%82%92%e5%8b%95%e3%81%8b%e3%81%99%e7%b0%a1%e5%8d%98%e3%81%aa%e3%83%8f%e3%83%b3%e3%82%ba%e3%82%aa%e3%83%b3","status":"publish","type":"post","link":"https:\/\/itstudy365.com\/blog\/2025\/05\/10\/kubernetes-learning-%e7%ac%ac6%e7%ab%a0%ef%bc%9adeployment%e3%81%a8pod%e3%82%92%e5%8b%95%e3%81%8b%e3%81%99%e7%b0%a1%e5%8d%98%e3%81%aa%e3%83%8f%e3%83%b3%e3%82%ba%e3%82%aa%e3%83%b3\/","title":{"rendered":"Kubernetes Learning \u7b2c6\u7ae0\uff1aDeployment\u3068Pod\u3092\u52d5\u304b\u3059\u7c21\u5358\u306a\u30cf\u30f3\u30ba\u30aa\u30f3"},"content":{"rendered":"\n<button id=\"bb1\" type=\"button\" value=\"Play\" class=\"responsivevoice-button\" title=\"ResponsiveVoice Tap to Start\/Stop Speech\"><span>&#128266; Play<\/span><\/button>\n        <script>\n            bb1.onclick = function(){\n                if(responsiveVoice.isPlaying()){\n                    responsiveVoice.cancel();\n                }else{\n                    responsiveVoice.speak(\"Kubernetes\u3092\u4f7f\u3046\u3046\u3048\u3067\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u5b9f\u7528\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u304c Deployment\uff08\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\uff09 \u3067\u3059\u3002Pod \u3092\u76f4\u63a5\u4f5c\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001\u672c\u756a\u74b0\u5883\u3067\u306f Deployment \u3092\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002 \u3053\u306e\u30cf\u30f3\u30ba\u30aa\u30f3\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u9032\u3081\u307e\u3059\uff1a \ud83d\udee0 \u30cf\u30f3\u30ba\u30aa\u30f3\u306e\u6d41\u308c Deployment\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u4f5c\u3063\u3066\u307f\u308b kubectl apply \u3067\u30af\u30e9\u30b9\u30bf\u306b\u9069\u7528 \u72b6\u614b\u3092 get \/ describe \/ logs \u3067\u78ba\u8a8d Pod \u306b exec \u3067\u5165\u308a\u3001\u52d5\u4f5c\u3092\u78ba\u8a8d Deployment \u3092\u524a\u9664\u3057\u3066\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7 \u2460 Deployment\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b \u4ee5\u4e0b\u306e\u3088\u3046\u306a YAML \u30d5\u30a1\u30a4\u30eb\uff08nginx-deployment.yaml\uff09\u3092\u4f5c\u3063\u3066\u304f\u3060\u3055\u3044\u3002 apiVersion: apps\/v1 kind: Deployment metadata: name: nginx-deployment spec: replicas: 2 selector: matchLabels: app: nginx template: metadata: labels: app: nginx spec: containers: - name: nginx image: nginx:1.25 ports: - containerPort: 80 replicas: 2 \u2192 Pod\u30922\u3064\u8d77\u52d5\u3059\u308b image: nginx:1.25 \u2192 Docker Hub \u306e Nginx\u516c\u5f0f\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u7528 containerPort: 80 \u2192 Web\u30b5\u30fc\u30d0\u30fc\u306a\u306e\u306780\u756a\u30dd\u30fc\u30c8\u3092\u958b\u653e \u2461 \u30af\u30e9\u30b9\u30bf\u306b\u9069\u7528\u3059\u308b kubectl apply -f nginx-deployment.yaml \u9069\u7528\u5f8c\u3001\u4ee5\u4e0b\u3067\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a kubectl get deployments kubectl get pods \u2462 \u30ed\u30b0\u3084\u8a73\u7d30\u3092\u898b\u3066\u307f\u308b kubectl describe deployment nginx-deployment kubectl get pods -o wide # \u4efb\u610f\u306ePod\u540d\u306b\u5bfe\u3057\u3066\u30ed\u30b0\u78ba\u8a8d kubectl logs less thanpod\u540dgreater than \u2463 Pod\u306b\u5165\u3063\u3066Web\u30b5\u30fc\u30d0\u30fc\u3092\u78ba\u8a8d Pod\u5185\u306b exec \u3067\u5165\u3063\u3066 curl \u3092\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 kubectl exec -it less thanpod\u540dgreater than -- bash # Alpine\u7cfb\u306e\u30a4\u30e1\u30fc\u30b8\u306a\u3089 sh curl localhost \u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001Service\u306e\u4f5c\u6210\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u30cf\u30f3\u30ba\u30aa\u30f3\u306e\u57fa\u672c\u306b\u3068\u3069\u3081\u307e\u3059\u3002 \u2464 \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7 \u30cf\u30f3\u30ba\u30aa\u30f3\u7d42\u4e86\u5f8c\u306f\u3001\u4f5c\u6210\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002 kubectl delete -f nginx-deployment.yaml \u2728 \u88dc\u8db3\uff1aPod\u3092\u76f4\u63a5\u4f5c\u308b\u65b9\u6cd5 Deployment\u3067\u306f\u306a\u304f\u3001\u5358\u4f53Pod \u3092\u4f5c\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u7c21\u5358\u306aPod\u306e\u4f8b\u3067\u3059\u3002 apiVersion: v1 kind: Pod metadata: name: nginx-pod spec: containers: - name: nginx image: nginx:1.25 ports: - containerPort: 80 kubectl apply -f nginx-pod.yaml \u305f\u3060\u3057\u3001Pod\u5358\u4f53\u3067\u306f\u81ea\u5df1\u4fee\u5fa9\u3084\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u6a5f\u80fd\u304c\u306a\u3044\u305f\u3081\u3001\u5b9f\u969b\u306e\u904b\u7528\u3067\u306f Deployment \u3092\u4f7f\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002 \u2705 \u307e\u3068\u3081 \u64cd\u4f5c\u5185\u5bb9Deployment\u4f5c\u6210\u30a2\u30d7\u30ea\u3092\u5b9a\u7fa9\u3057\u3066\u8907\u6570Pod\u3092\u7ba1\u7406applyYAML\u3092\u4f7f\u3063\u3066\u30af\u30e9\u30b9\u30bf\u306b\u53cd\u6620get \/ describe\u72b6\u614b\u306e\u78ba\u8a8dlogs \/ exec\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u3084\u30a2\u30d7\u30ea\u306e\u78ba\u8a8d\u306b\u4fbf\u5229delete\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\", \"Japanese Female\");\n                }\n            };\n        <\/script>\n    <\/p>\n\n\n\n<p>Kubernetes\u3092\u4f7f\u3046\u3046\u3048\u3067\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u5b9f\u7528\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u304c <strong>Deployment\uff08\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\uff09<\/strong> \u3067\u3059\u3002<br>Pod \u3092\u76f4\u63a5\u4f5c\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u304c\u3001<strong>\u672c\u756a\u74b0\u5883\u3067\u306f Deployment \u3092\u4f7f\u3046\u306e\u304c\u4e00\u822c\u7684<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30cf\u30f3\u30ba\u30aa\u30f3\u3067\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u6d41\u308c\u3067\u9032\u3081\u307e\u3059\uff1a<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udee0 \u30cf\u30f3\u30ba\u30aa\u30f3\u306e\u6d41\u308c<\/h3>\n\n\n\n<ol>\n<li><strong>Deployment\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u4f5c\u3063\u3066\u307f\u308b<\/strong><\/li>\n\n\n\n<li><code>kubectl apply<\/code> \u3067\u30af\u30e9\u30b9\u30bf\u306b\u9069\u7528<\/li>\n\n\n\n<li>\u72b6\u614b\u3092 <code>get<\/code> \/ <code>describe<\/code> \/ <code>logs<\/code> \u3067\u78ba\u8a8d<\/li>\n\n\n\n<li>Pod \u306b <code>exec<\/code> \u3067\u5165\u308a\u3001\u52d5\u4f5c\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li>Deployment \u3092\u524a\u9664\u3057\u3066\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2460 Deployment\u30de\u30cb\u30d5\u30a7\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a YAML \u30d5\u30a1\u30a4\u30eb\uff08<code>nginx-deployment.yaml<\/code>\uff09\u3092\u4f5c\u3063\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\" data-show-lang=\"0\"><code>apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: nginx-deployment\nspec:\n  replicas: 2\n  selector:\n    matchLabels:\n      app: nginx\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      containers:\n        - name: nginx\n          image: nginx:1.25\n          ports:\n            - containerPort: 80<\/code><\/pre><\/div>\n\n\n\n<ul>\n<li><code>replicas: 2<\/code> \u2192 Pod\u30922\u3064\u8d77\u52d5\u3059\u308b<\/li>\n\n\n\n<li><code>image: nginx:1.25<\/code> \u2192 Docker Hub \u306e Nginx\u516c\u5f0f\u30a4\u30e1\u30fc\u30b8\u3092\u4f7f\u7528<\/li>\n\n\n\n<li><code>containerPort: 80<\/code> \u2192 Web\u30b5\u30fc\u30d0\u30fc\u306a\u306e\u306780\u756a\u30dd\u30fc\u30c8\u3092\u958b\u653e<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2461 \u30af\u30e9\u30b9\u30bf\u306b\u9069\u7528\u3059\u308b<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\" data-show-lang=\"0\"><code>kubectl apply -f nginx-deployment.yaml<\/code><\/pre><\/div>\n\n\n\n<p>\u9069\u7528\u5f8c\u3001\u4ee5\u4e0b\u3067\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\uff1a<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>kubectl get deployments\nkubectl get pods<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2462 \u30ed\u30b0\u3084\u8a73\u7d30\u3092\u898b\u3066\u307f\u308b<\/h3>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>kubectl describe deployment nginx-deployment\nkubectl get pods -o wide\n\n# \u4efb\u610f\u306ePod\u540d\u306b\u5bfe\u3057\u3066\u30ed\u30b0\u78ba\u8a8d\nkubectl logs &lt;pod\u540d&gt;<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2463 Pod\u306b\u5165\u3063\u3066Web\u30b5\u30fc\u30d0\u30fc\u3092\u78ba\u8a8d<\/h3>\n\n\n\n<p>Pod\u5185\u306b <code>exec<\/code> \u3067\u5165\u3063\u3066 curl \u3092\u8a66\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>kubectl exec -it &lt;pod\u540d&gt; -- bash\n# Alpine\u7cfb\u306e\u30a4\u30e1\u30fc\u30b8\u306a\u3089 sh\ncurl localhost<\/code><\/pre><\/div>\n\n\n\n<p>\u30d6\u30e9\u30a6\u30b6\u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u306b\u306f\u3001Service\u306e\u4f5c\u6210\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u3053\u3067\u306f\u30cf\u30f3\u30ba\u30aa\u30f3\u306e\u57fa\u672c\u306b\u3068\u3069\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2464 \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7<\/h3>\n\n\n\n<p>\u30cf\u30f3\u30ba\u30aa\u30f3\u7d42\u4e86\u5f8c\u306f\u3001\u4f5c\u6210\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u3092\u524a\u9664\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>kubectl delete -f nginx-deployment.yaml<\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u2728 \u88dc\u8db3\uff1aPod\u3092\u76f4\u63a5\u4f5c\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>Deployment\u3067\u306f\u306a\u304f\u3001<strong>\u5358\u4f53Pod<\/strong> \u3092\u4f5c\u308b\u65b9\u6cd5\u3082\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u7c21\u5358\u306aPod\u306e\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-html\" data-lang=\"HTML\" data-show-lang=\"0\"><code>apiVersion: v1\nkind: Pod\nmetadata:\n  name: nginx-pod\nspec:\n  containers:\n    - name: nginx\n      image: nginx:1.25\n      ports:\n        - containerPort: 80<\/code><\/pre><\/div>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>kubectl apply -f nginx-pod.yaml<\/code><\/pre><\/div>\n\n\n\n<p>\u305f\u3060\u3057\u3001Pod\u5358\u4f53\u3067\u306f\u81ea\u5df1\u4fee\u5fa9\u3084\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u6a5f\u80fd\u304c\u306a\u3044\u305f\u3081\u3001<strong>\u5b9f\u969b\u306e\u904b\u7528\u3067\u306f Deployment \u3092\u4f7f\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 \u307e\u3068\u3081<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u64cd\u4f5c<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead><tbody><tr><td>Deployment\u4f5c\u6210<\/td><td>\u30a2\u30d7\u30ea\u3092\u5b9a\u7fa9\u3057\u3066\u8907\u6570Pod\u3092\u7ba1\u7406<\/td><\/tr><tr><td>apply<\/td><td>YAML\u3092\u4f7f\u3063\u3066\u30af\u30e9\u30b9\u30bf\u306b\u53cd\u6620<\/td><\/tr><tr><td>get \/ describe<\/td><td>\u72b6\u614b\u306e\u78ba\u8a8d<\/td><\/tr><tr><td>logs \/ exec<\/td><td>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c8\u3084\u30a2\u30d7\u30ea\u306e\u78ba\u8a8d\u306b\u4fbf\u5229<\/td><\/tr><tr><td>delete<\/td><td>\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[56],"_links":{"self":[{"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/posts\/1256"}],"collection":[{"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/comments?post=1256"}],"version-history":[{"count":2,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/posts\/1256\/revisions"}],"predecessor-version":[{"id":1360,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/posts\/1256\/revisions\/1360"}],"wp:attachment":[{"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/media?parent=1256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/categories?post=1256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itstudy365.com\/blog\/wp-json\/wp\/v2\/tags?post=1256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}