{"image_url":null,"height":"190","description":"OpenShift \u3092\u7d20\u306e\u72b6\u614b\u3067\u4f7f\u3044\u59cb\u3081\u308b\u3068\u3001API \u30b5\u30fc\u30d0\u3084 Ingress \u306b\u306f OpenShift \u5185\u90e8\u306e\u4ed5\u7d44\u307f\u3067\u767a\u884c\u3055\u308c\u305f\u8a3c\u660e\u66f8\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002\u3053\u308c\u3067\u3082\u30af\u30e9\u30b9\u30bf\u5185\u90e8\u3067\u306f\u554f\u984c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5916\u90e8\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u7d20\u76f4\u306b\u4fe1\u983c\u3055\u308c\u308b\u8a3c\u660e\u66f8\u306b\u7f6e\u304d\u63db\u3048\u305f\u3044\u5834\u9762\u306f\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001OpenShift 4.21.8 \u306b cert-manager \u3092\u5c0e\u5165\u3057\u3001Cloudflare \u306e DNS01 challenge \u3092\u4f7f\u3063\u3066 Let\u2019s Encrypt \u304b\u3089\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3057\u3001\u305d\u308c\u3092 API \u7528\u3068 Ingress \u7528\u306b\u9069\u7528\u3059\u308b\u6d41\u308c\u3092\u307e\u3068\u3081\u307e\u3059\u3002 \u4eca\u56de\u306e\u69cb\u6210\u3067\u306f Cloudflare \u3092 DNS \u306b\u4f7f\u3044\u307e\u2026","provider_name":"Hatena Blog","author_name":"chiroito","type":"rich","author_url":"https://blog.hatena.ne.jp/chiroito/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fb.chiroito.dev%2Fentry%2F2026%2F04%2F15%2F182131\" title=\"OpenShift 4.21\u3067\u8a3c\u660e\u66f8\u3092\u81ea\u52d5\u5316 - #chiroito \u2019s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"OpenShift 4.21\u3067\u8a3c\u660e\u66f8\u3092\u81ea\u52d5\u5316","categories":[],"provider_url":"https://hatena.blog","published":"2026-04-15 18:21:31","blog_url":"https://b.chiroito.dev/","version":"1.0","width":"100%","blog_title":"#chiroito \u2019s blog","url":"https://b.chiroito.dev/entry/2026/04/15/182131"}