{"blog_title":"daily dayflower","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdayflower.hatenablog.com%2Fentry%2F2025%2F02%2F28%2F095011\" title=\"cert-manager \u3067 let&#39;s encrypt (ACME) \u306e\u8a3c\u660e\u66f8\u3092 LuaDNS \u3092\u5229\u7528\u3057\u3064\u3064\u767a\u884c\u3059\u308b - daily dayflower\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2025-02-28 09:50:11","height":"190","width":"100%","blog_url":"https://dayflower.hatenablog.com/","type":"rich","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_name":"dayflower","title":"cert-manager \u3067 let's encrypt (ACME) \u306e\u8a3c\u660e\u66f8\u3092 LuaDNS \u3092\u5229\u7528\u3057\u3064\u3064\u767a\u884c\u3059\u308b","url":"https://dayflower.hatenablog.com/entry/2025/02/28/095011","categories":[],"image_url":null,"author_url":"https://blog.hatena.ne.jp/dayflower/","description":"Let's Encrypt \u306e\u8a3c\u660e\u66f8\u3092\u767a\u884c\u3059\u308b\u30d5\u30ed\u30fc\u306b\u306f ACME HTTP-01 \u3068 DNS-01 \u306e2\u3064\u304c\u3042\u308b\u3002 HTTP-01 \u306e\u5834\u5408\u3001\u4e8b\u524d\u306b 80 \u756a\u30dd\u30fc\u30c8\u3067\u5bfe\u8c61\u3068\u306a\u308b\u30c9\u30e1\u30a4\u30f3\u306b\u30d5\u30a1\u30a4\u30eb\u3092\u8a2d\u7f6e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u307e\u305f\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u306b\u5bfe\u5fdc\u3067\u304d\u306a\u3044 (\u3068\u3001\u601d\u3046)\u3002 DNS-01 \u306e\u5834\u5408\u306f\u5bfe\u8c61\u30c9\u30e1\u30a4\u30f3\u306e DNS \u306e TXT \u30ec\u30b3\u30fc\u30c9\u306b\u7279\u5b9a\u306e\u5185\u5bb9\u3092\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304c\u3001\u767a\u884c\u306b\u3042\u305f\u3063\u3066\u4e8b\u524d\u306b HTTP \u901a\u4fe1\u3092\u884c\u3046\u5fc5\u8981\u304c\u306a\u3044\u3057\u3001\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u8a3c\u660e\u66f8\u3082\u767a\u884c\u3067\u304d\u308b\u3002 cert-manager \u306f k8s \u4e0a\u3067 TLS \u8a3c\u660e\u66f8\u306e\u53d6\u5f97\u3084\u66f4\u65b0\u3092\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001 ACME DNS-01 \u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b (\u305f\u2026"}