{"id":39705,"date":"2020-12-18T17:01:23","date_gmt":"2020-12-18T08:01:23","guid":{"rendered":"https:\/\/www.creationline.com\/?p=39705"},"modified":"2023-08-29T15:07:38","modified_gmt":"2023-08-29T06:07:38","slug":"dockerfile%e3%81%aecmd%e3%81%a8entrypoint%e3%82%92%e8%aa%ad%e3%81%bf%e8%a7%a3%e3%81%8f2-3-cmd%e5%91%bd%e4%bb%a4%e3%81%a8entrypoint%e5%91%bd%e4%bb%a4%e3%81%ae%e5%9f%ba%e7%a4%8e-docker-dockerfile","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/39705","title":{"rendered":"Dockerfile\u306eCMD\u3068ENTRYPOINT\u3092\u8aad\u307f\u89e3\u304f(2\/3) &#8212; CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e #docker #dockerfile"},"content":{"rendered":"<div><center>\n\t\t<!--HubSpot Call-to-Action Code -->\n\t\t<span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-0906c216-e79d-4405-846e-acc3eb48e40f\">\n\t\t<span class=\"hs-cta-node hs-cta-0906c216-e79d-4405-846e-acc3eb48e40f\" id=\"0906c216-e79d-4405-846e-acc3eb48e40f\">\n\t\t<!--[if lte IE 8]>\n\t\t<div id=\"hs-cta-ie-element\"><\/div>\n\t\t<![endif]-->\n\t\t<a href=\"https:\/\/cta-redirect.hubspot.com\/cta\/redirect\/6168413\/0906c216-e79d-4405-846e-acc3eb48e40f\" >\n\t\t<img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-0906c216-e79d-4405-846e-acc3eb48e40f\" style=\"border-width:0px;\" src=\"https:\/\/no-cache.hubspot.com\/cta\/default\/6168413\/0906c216-e79d-4405-846e-acc3eb48e40f.png\"  alt=\"New call-to-action\"\/>\n\t\t<\/a>\n\t\t<\/span>\n\t\t<script charset=\"utf-8\" src=\"\/\/js.hubspot.com\/cta\/current.js\"><\/script>\n\t\t<script>\n\t\thbspt.cta.load(6168413, '0906c216-e79d-4405-846e-acc3eb48e40f', {});\n\t\t<\/script>\n\t\t<\/span>\n\t\t<!-- end HubSpot Call-to-Action Code -->\n\t\t<\/center><\/div>\n<p>Docker\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306e<a href=\"https:\/\/docs.docker.com\/engine\/reference\/builder\/\">Dockerfile<\/a>\u306b\u306f\u591a\u304f\u306e\u547d\u4ee4\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082<a href=\"https:\/\/docs.docker.com\/engine\/reference\/builder\/#cmd\">CMD<\/a>\u547d\u4ee4\u3068<a href=\"https:\/\/docs.docker.com\/engine\/reference\/builder\/#entrypoint\">ENTRYPOINT<\/a>\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u8a00\u3044\u304b\u3048\u308b\u3068\u300c\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u4e00\u4f53\u4f55\u3092\u3059\u308b\u306e\u304b\u3001\u4f55\u306e\u305f\u3081\u306e\u30a4\u30e1\u30fc\u30b8\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u6027\u8cea\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u547d\u4ee4\u3067\u3059\u3002\u3057\u304b\u3057\u3053\u306e\u4e21\u547d\u4ee4\u306b\u306f\u3044\u308d\u3044\u308d\u306a\u7279\u5fb4\u304c\u3042\u308a\u3001\u7406\u89e3\u3059\u308b\u306b\u306f\u4e00\u7b4b\u7e04\u3067\u306f\u3044\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306eCMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306b\u3064\u3044\u3066\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u3001\u51683\u56de\u306e\u30d6\u30ed\u30b0\u30b7\u30ea\u30fc\u30ba\u3068\u3057\u3066\u63b2\u8f09\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u306a\u304a\u3001Linux\u7248Docker\u30b3\u30f3\u30c6\u30ca\u306e\u5185\u5bb9\u3067\u3042\u308b\u3053\u3068\u3092\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li>\u7b2c1\u56de: <a href=\"\/lab\/39662\">Shell\u5f62\u5f0f\u3068Exec\u5f62\u5f0f\u3068\u306f\u4f55\u304b<\/a><\/li>\n<li>\u7b2c2\u56de: <a href=\"\/lab\/39705\">CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e<\/a> \u2190 \u672c\u7a3f<\/li>\n<li>\u7b2c3\u56de: <a href=\"\/lab\/39730\">CMD\/ENTRYPOINT\/Shell\/Exec\u4e00\u89a7\u8868<\/a><\/li>\n<\/ul>\n<p>\u672c\u7a3f\u3067\u306fCMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u5192\u982d\u3067\u8ff0\u3079\u305f\u901a\u308a\u3001CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u8a00\u3044\u304b\u3048\u308b\u3068\u300c\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u4e00\u4f53\u4f55\u3092\u3059\u308b\u306e\u304b\u3001\u4f55\u306e\u305f\u3081\u306e\u30a4\u30e1\u30fc\u30b8\u306a\u306e\u304b\u300d\u3068\u3044\u3046\u6027\u8cea\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u547d\u4ee4\u3067\u3059\u3002<\/p>\n<p>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u3092\u305d\u308c\u305e\u308c\u5358\u72ec\u3067\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001\u3069\u3061\u3089\u3082\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>CMD\u547d\u4ee4\u306e\u57fa\u790e<\/h2>\n<p>\u6b21\u306eDockerfile\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<pre>FROM debian:9\nCMD ping\n<\/pre>\n<p>\u3053\u308c\u304b\u3089\u751f\u6210\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u3092\u300cmyimage\u300d\u3068\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u300cdocker container run\u300d\u3067\u5b9f\u884c\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>% docker container run myimage\nping: missing host operand\nTry 'ping --help' or 'ping --usage' for more information.\n<\/pre>\n<p>CMD\u547d\u4ee4\u3067\u6307\u5b9a\u3057\u305f\u300cping\u300d\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002ping\u30b3\u30de\u30f3\u30c9\u306b\u5bfe\u8c61\u3068\u3059\u308b\u30db\u30b9\u30c8\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u300cmissing host operand\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u6b63\u78ba\u306b\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u30db\u30b9\u30c8\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3010\u3067\u304d\u307e\u305b\u3093\u3011\u3002<\/p>\n<p>\u76f4\u611f\u7684\u306b\u300cdocker container run myimage 8.8.8.8\u300d\u3068\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre>% docker container run myimage 8.8.8.8\ndocker: Error response from daemon: OCI runtime create failed: container_linux.go:370: starting container process caused: exec: \"8.8.8.8\": executable file not found in $PATH: unknown.\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u3068\u3059\u308b\u3068\u3001\u300cping 8.8.8.8\u300d\u306e\u3088\u3046\u306bping\u30b3\u30de\u30f3\u30c9\u306b8.8.8.8\u3068\u3044\u3046\u5f15\u6570\u3092\u3064\u3051\u3066\u5b9f\u884c\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u300cping\u300d\u306e\u4ee3\u308f\u308a\u306b\u300c8.8.8.8\u300d\u3068\u3044\u3046\u5b58\u5728\u3057\u306a\u3044\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u3066\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u306f\u300cdocker container run myimage date\u300d\u3068\u3059\u308b\u3068\u3001<\/p>\n<pre>% docker container run myimage date\nTue Dec 15 07:50:55 UTC 2020\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u300cping\u300d\u306e\u4ee3\u308f\u308a\u306b\u300cdate\u300d\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>CMD\u547d\u4ee4\u306e\u307e\u3068\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30f3\u30c6\u30ca\u5185\u306ePID 1\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306f\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3067\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/li>\n<\/ul>\n<h2>ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e<\/h2>\n<p>\u6b21\u306eDockerfile\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<pre>FROM debian:9\nENTRYPOINT [\"ping\"]\n<\/pre>\n<p>\u3053\u308c\u304b\u3089\u751f\u6210\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u3092\u300cmyimage\u300d\u3068\u3057\u307e\u3059\uff08\u203bExec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u3066\u3044\u308b\u7406\u7531\u306f\u5f8c\u8ff0\u3057\u307e\u3059\uff09\u3002\u3053\u308c\u3092\u300cdocker container run\u300d\u3067\u5b9f\u884c\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre>% docker container run myimage\nping: missing host operand\nTry 'ping --help' or 'ping --usage' for more information.\n<\/pre>\n<p>CMD\u547d\u4ee4\u3068\u540c\u3058\u304f\u3001ENTRYPOINT\u547d\u4ee4\u3067\u6307\u5b9a\u3057\u305f\u300cping\u300d\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002ping\u30b3\u30de\u30f3\u30c9\u306b\u5bfe\u8c61\u3068\u3059\u308b\u30db\u30b9\u30c8\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u300cmissing host operand\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3067\u306f\u3001\u5bfe\u8c61\u3068\u3059\u308b\u30db\u30b9\u30c8\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3059\u308b\u306b\u306f\uff1f \u76f4\u611f\u7684\u306b\u300cdocker container run myimage 8.8.8.8\u300d\u3068\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre>% docker container run myimage 8.8.8.8\nPING 8.8.8.8 (8.8.8.8): 56 data bytes\n64 bytes from 8.8.8.8: icmp_seq=0 ttl=117 time=10.388 ms\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=117 time=9.255 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=117 time=9.620 ms\n64 bytes from 8.8.8.8: icmp_seq=3 ttl=117 time=9.950 ms\n^C--- 8.8.8.8 ping statistics ---\n4 packets transmitted, 4 packets received, 0% packet loss\nround-trip min\/avg\/max\/stddev = 9.255\/9.803\/10.388\/0.418 ms\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u3068\u3059\u308b\u3068\u3001\u300cping 8.8.8.8\u300d\u306e\u3088\u3046\u306bping\u30b3\u30de\u30f3\u30c9\u306b8.8.8.8\u3068\u3044\u3046\u5f15\u6570\u3092\u3064\u3051\u3066\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306fCMD\u547d\u4ee4\u3068\u306e\u5927\u304d\u306a\u9055\u3044\u3067\u3059\u3002<\/p>\n<p>\u305f\u3060\u3057\u3001\u5f15\u6570\u3092\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u306fENTRYPOINT\u547d\u4ee4\u3092Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u307f\u3067\u3059\u3002Shell\u5f62\u5f0f\u306e\u5834\u5408\u306f\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<pre>FROM debian:9\nENTRYPOINT ping\n<\/pre>\n<p>ENTRYPOINT\u547d\u4ee4\u3092Shell\u5f62\u5f0f\u306b\u5909\u3048\u305fDockerfile\u304b\u3089\u751f\u6210\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u3067\u5f15\u6570\u3092\u6e21\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre>% docker container run myimage 8.8.8.8\nping: missing host operand\nTry 'ping --help' or 'ping --usage' for more information.\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u5bfe\u8c61\u306eIP\u30a2\u30c9\u30ec\u30b9\u300c8.8.8.8\u300d\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u3066\u3044\u308b\u306e\u306b\u3001\u300cping\u300d\u30b3\u30de\u30f3\u30c9\u306f\u5bfe\u8c61\u3068\u3059\u308b\u30db\u30b9\u30c8\u307e\u305f\u306fIP\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u300cmissing host operand\u300d\u3068\u3044\u3046\u30a8\u30e9\u30fc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3059\u306a\u308f\u3061\u3001\u5f15\u6570\u3092\u6e21\u305b\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u304cENTRYPOINT\u547d\u4ee4\u3092Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u3066\u3044\u308b\u7406\u7531\u3067\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001ENTRYPOINT\u547d\u4ee4\u3067\u6307\u5b9a\u3057\u305f\u30b3\u30de\u30f3\u30c9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u300cdocker container run\u300d\u306e\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4e0a\u66f8\u304d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u6b21\u306eDockerfile\u304b\u3089\u4f5c\u6210\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u300cmyimage\u300d\u306e\u300cENTRYPOINT [\"ping\"]\u300d\u3092\u4e0a\u66f8\u304d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre>FROM debian:9\nENTRYPOINT [\"ping\"]\n<\/pre>\n<pre>% docker container run --entrypoint date myimage\nTue Dec 15 08:02:07 UTC 2020\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001CMD\u547d\u4ee4\u3068\u540c\u3058\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u3067\u306f\u300cping\u300d\u304c\u5b9f\u884c\u3055\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u306e\u3067\u3001\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7528\u3044\u3066\u300cping\u300d\u306e\u4ee3\u308f\u308a\u306b\u300cdate\u300d\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>ENTRYPOINT\u547d\u4ee4\u306e\u307e\u3068\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u30b3\u30f3\u30c6\u30ca\u5185\u306ePID 1\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u306e\u307f\u3001\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306b\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u5f15\u6570\u3092\u6e21\u305b\u308b\n<ul>\n<li>Shell\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3092\u7121\u8996\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u5834\u5408\u306f\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7528\u3044\u308b<\/li>\n<\/ul>\n<h2>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u57fa\u790e<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u3053\u308c\u30892\u3064\u306e\u547d\u4ee4\u3092\u540c\u6642\u306b\u6307\u5b9a\u3059\u308b\u3068\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u306fENTRYPOINT\u547d\u4ee4\u3067\u6307\u5b9a\u3057\u305f\u30b3\u30de\u30f3\u30c9\u3068\u306a\u308a\u3001CMD\u547d\u4ee4\u306f\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f15\u6570\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304c\u7406\u89e3\u3092\u5c11\u3005\u96e3\u3057\u304f\u3057\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u4f8b\u3092\u8ffd\u3063\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u306eDockerfile\u304b\u3089\u30a4\u30e1\u30fc\u30b8\u3092\u751f\u6210\u3057\u300cmyimage\u300d\u3068\u3057\u307e\u3059\u3002<\/p>\n<pre>FROM debian:9\nCMD [\"8.8.8.8\"]\nENTRYPOINT [\"ping\"]\n<\/pre>\n<p>\u3053\u308c\u3092\u300cdocker container run\u300d\u3067\u305d\u306e\u307e\u307e\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre>% docker container run myimage\nPING 8.8.8.8 (8.8.8.8): 56 data bytes\n64 bytes from 8.8.8.8: icmp_seq=0 ttl=117 time=10.545 ms\n64 bytes from 8.8.8.8: icmp_seq=1 ttl=117 time=9.344 ms\n64 bytes from 8.8.8.8: icmp_seq=2 ttl=117 time=9.917 ms\n64 bytes from 8.8.8.8: icmp_seq=3 ttl=117 time=9.104 ms\n^C--- 8.8.8.8 ping statistics ---\n4 packets transmitted, 4 packets received, 0% packet loss\nround-trip min\/avg\/max\/stddev = 9.104\/9.727\/10.545\/0.557 ms\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001ENTRYPOINT\u547d\u4ee4\u306e\u300cping\u300d\u30b3\u30de\u30f3\u30c9\u306bCMD\u547d\u4ee4\u306e\u300c8.8.8.8\u300d\u3092\u5f15\u6570\u3068\u3057\u305f\u5f62\u3067\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u3002\u300c\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u306fENTRYPOINT\u547d\u4ee4\u3067\u6307\u5b9a\u3057\u305f\u30b3\u30de\u30f3\u30c9\u3068\u306a\u308a\u3001CMD\u547d\u4ee4\u306f\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f15\u6570\u300d\u3068\u306f\u3001\u3053\u306e\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u300cCMD\u547d\u4ee4\u306f\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306e\u3010\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u3011\u5f15\u6570\u300d\u3068\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u76ee\u3057\u307e\u3057\u3087\u3046\u3002\u300c\u30c7\u30d5\u30a9\u30eb\u30c8\u300d\u3068\u3044\u3046\u3053\u3068\u306f\u5225\u306e\u7269\u306b\u5dee\u3057\u66ff\u3048\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002\u3053\u3053\u3067\u3001CMD\u547d\u4ee4\u306f\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u4e0a\u66f8\u304d\u3067\u304d\u305f\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u5f62\u5f0f\u3067CMD\u547d\u4ee4\u3092\u4e0a\u66f8\u304d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n<pre>% docker container run myimage 1.1.1.1\nPING 1.1.1.1 (1.1.1.1): 56 data bytes\n64 bytes from 1.1.1.1: icmp_seq=0 ttl=55 time=13.624 ms\n64 bytes from 1.1.1.1: icmp_seq=1 ttl=55 time=9.993 ms\n64 bytes from 1.1.1.1: icmp_seq=2 ttl=55 time=9.648 ms\n64 bytes from 1.1.1.1: icmp_seq=3 ttl=55 time=9.562 ms\n^C--- 1.1.1.1 ping statistics ---\n4 packets transmitted, 4 packets received, 0% packet loss\nround-trip min\/avg\/max\/stddev = 9.562\/10.707\/13.624\/1.692 ms\n<\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001CMD\u547d\u4ee4\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u300c8.8.8.8\u300d\u3092\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u300c1.1.1.1\u300d\u306b\u4e0a\u66f8\u304d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u3055\u3089\u306b\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3067ENTRYPOINT\u547d\u4ee4\u3092\u4e0a\u66f8\u304d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre>% docker container run --entrypoint date myimage\nWed Dec 16 08:54:50 UTC 2020\n<\/pre>\n<p>\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3067ENTRYPOINT\u547d\u4ee4\u3092\u4e0a\u66f8\u304d\u3057\u305f\u5834\u5408\u3001CMD\u547d\u4ee4\u306f\u7121\u8996\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u6ce8\u76ee\u3057\u307e\u3057\u3087\u3046\u3002CMD\u547d\u4ee4\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u300c8.8.8.8\u300d\u3092\u660e\u793a\u7684\u306b\u5f15\u6570\u3068\u3057\u3066\u6307\u5b9a\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u30a8\u30e9\u30fc\u3068\u306a\u308b\u3053\u3068\u304b\u3089\u3082\u7121\u8996\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<pre>% docker container run --entrypoint date myimage 8.8.8.8\ndate: invalid date '8.8.8.8'\n<\/pre>\n<p>\u306a\u304a\u3001ENTRYPOINT\u547d\u4ee4\u3092Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u306f\u3001CMD\u547d\u4ee4\u3082Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306e\u3088\u3046\u306b\u4ea4\u305c\u66f8\u304d\u3059\u308b\u3068\u3001<\/p>\n<pre>FROM debian:9\nCMD 8.8.8.8\nENTRYPOINT [\"ping\"]\n<\/pre>\n<pre>% docker container run myimage\nping: invalid value (`8.8.8.8' near `.8.8.8')\n<\/pre>\n<p>\u304a\u304b\u3057\u306a\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e\u3067\u898b\u305f\u901a\u308a\u3001ENTRYPOINT\u547d\u4ee4\u3092Shell\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u306fCMD\u547d\u4ee4\u306fShell\u5f62\u5f0f\u30fbExec\u5f62\u5f0f\u306e\u3069\u3061\u3089\u3067\u66f8\u304b\u308c\u3066\u3044\u3066\u3082\u5b58\u5728\u81ea\u4f53\u7121\u8996\u3057\u307e\u3059\u3002<\/p>\n<pre>FROMM debian:9\nCMD [\"8.8.8.8\"]\nENTRYPOINT ping\n<\/pre>\n<pre>% docker container run myimage\nping: missing host operand\nTry 'ping --help' or 'ping --usage' for more information.\n<\/pre>\n<pre>FROMM debian:9\nCMD [\"8.8.8.8\"]\nENTRYPOINT ping\n<\/pre>\n<pre>% docker container run myimage\nping: missing host operand\nTry 'ping --help' or 'ping --usage' for more information.\n<\/pre>\n<p>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u7d44\u307f\u5408\u308f\u305b\u306e\u307e\u3068\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u306a\u308b\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>CMD\u547d\u4ee4\u306f\u3001\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>CMD\u547d\u4ee4\u306f\u3001\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u306f\u3001\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4e0a\u66f8\u304d\u3067\u304d\u3001\u305d\u306e\u969bCMD\u547d\u4ee4\u306f\u7121\u8996\u3055\u308c\u308b<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u3092Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001CMD\u547d\u4ee4\u3082Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u3092Shell\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001CMD\u547d\u4ee4\u3082\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3082\u7121\u8996\u3059\u308b<\/li>\n<\/ul>\n<h2>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e\u306e\u307e\u3068\u3081<\/h2>\n<p>\u518d\u3073CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e\u306e\u307e\u3068\u3081\u3067\u3059\u3002<\/p>\n<ul>\n<li>CMD\u547d\u4ee4\n<ul>\n<li>\u30b3\u30f3\u30c6\u30ca\u5185\u306ePID 1\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306f\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3067\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/li>\n<\/ul>\n<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\n<ul>\n<li>\u30b3\u30f3\u30c6\u30ca\u5185\u306ePID 1\u3068\u3057\u3066\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u306e\u307f\u3001\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306b\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u5f15\u6570\u3092\u6e21\u305b\u308b\n<ul>\n<li>Shell\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3092\u7121\u8996\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<li>\u30b3\u30de\u30f3\u30c9\u3092\u4e0a\u66f8\u304d\u3059\u308b\u5834\u5408\u306f\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u7528\u3044\u308b<\/li>\n<\/ul>\n<\/li>\n<li>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u7d44\u307f\u5408\u308f\u305b\n<ul>\n<li>ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3068\u306a\u308b\u30b3\u30de\u30f3\u30c9\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>CMD\u547d\u4ee4\u306f\u3001\u305d\u306e\u30b3\u30de\u30f3\u30c9\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5f15\u6570\u3092\u6307\u5b9a\u3067\u304d\u308b<\/li>\n<li>CMD\u547d\u4ee4\u306f\u3001\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f62\u5f0f\u3067\u4e0a\u66f8\u304d\u3067\u304d\u308b<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u306f\u3001\u300c--entrypoint\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u4e0a\u66f8\u304d\u3067\u304d\u3001\u305d\u306e\u969bCMD\u547d\u4ee4\u306f\u7121\u8996\u3055\u308c\u308b<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u3092Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001CMD\u547d\u4ee4\u3082Exec\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/li>\n<li>ENTRYPOINT\u547d\u4ee4\u3092Shell\u5f62\u5f0f\u3067\u8a18\u8ff0\u3057\u305f\u5834\u5408\u3001CMD\u547d\u4ee4\u3082\u300cdocker container run \uff3b\u30a4\u30e1\u30fc\u30b8\u540d\uff3d \uff3b\u5f15\u6570\uff3d\u300d\u306e\u5f15\u6570\u3082\u7121\u8996\u3059\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e\u3092\u898b\u305f\u6b21\u306f\u3001\u3059\u3079\u3066\u3092\u307e\u3068\u3081\u305f<a href=\"\/lab\/39730\">CMD\/ENTRYPOINT\/Shell\/Exec\u4e00\u89a7\u8868<\/a>\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u7b2c1\u56de: <a href=\"\/lab\/39662\">Shell\u5f62\u5f0f\u3068Exec\u5f62\u5f0f\u3068\u306f\u4f55\u304b<\/a><\/li>\n<li>\u7b2c2\u56de: <a href=\"\/lab\/39705\">CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e<\/a><\/li>\n<li>\u7b2c3\u56de: <a href=\"\/lab\/39730\">CMD\/ENTRYPOINT\/Shell\/Exec\u4e00\u89a7\u8868<\/a> \u2190 \u6b21\u7a3f<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u3067\u306f<a href=\"\/docker\/training\">Mirantis\u793e\u516c\u8a8dDocker\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/a>\u3092\u63d0\u4f9b\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u3055\u3089\u306bDocker\u3092\u7fd2\u5f97\u3059\u308b\u305f\u3081\u306b\u672c\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u306e\u53d7\u8b1b\u3092\u662f\u975e\u3054\u691c\u8a0e\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Docker\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eDockerfile\u306b\u306f\u591a\u304f\u306e\u547d\u4ee4\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID 1\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u8a00\u3044\u304b\u3048\u308b\u3068\u300c\u3053\u306e\u30a4\u30e1\u30fc\u30b8\u306f\u4e00\u4f53 [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":28571,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[31,43],"tags":[],"class_list":["post-39705","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-higuchi","category-docker"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Dockerfile\u306eCMD\u3068ENTRYPOINT\u3092\u8aad\u307f\u89e3\u304f(2\/3) - CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e #docker #dockerfile - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"d-higuchi, Docker |Docker\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eDockerfile\u306b\u306f\u591a\u304f\u306e\u547d\u4ee4\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/39705\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dockerfile\u306eCMD\u3068ENTRYPOINT\u3092\u8aad\u307f\u89e3\u304f(2\/3) - CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306e\u57fa\u790e #docker #dockerfile - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"d-higuchi, Docker |Docker\u30a4\u30e1\u30fc\u30b8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306eDockerfile\u306b\u306f\u591a\u304f\u306e\u547d\u4ee4\u304c\u3042\u308a\u307e\u3059\u3002\u4e2d\u3067\u3082CMD\u547d\u4ee4\u3068ENTRYPOINT\u547d\u4ee4\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5b9f\u884c\u3059\u308bPID\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/39705\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-18T08:01:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-08-29T06:07:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2019\/07\/docker-favicon.png\" \/>\n\t<meta property=\"og:image:width\" content=\"280\" \/>\n\t<meta property=\"og:image:height\" content=\"280\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Daisuke Higuchi\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@creationline\" \/>\n<meta name=\"twitter:site\" content=\"@creationline\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daisuke Higuchi\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"3\u5206\" \/>\n<script type=\"application\/ld+json\" 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