{"height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/m1smile10often/20250510/20250510160207.png","author_name":"m1smile10often","title":"\u3010\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5b66\u7fd2\u8a18\u9332\u3011ActiveStorage\u3092\u4f7f\u3063\u3066\u30d6\u30ed\u30b0\u8a18\u4e8b\u306b\u753b\u50cf\u3092\u8907\u6570\u679a\u6dfb\u4ed8\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b","author_url":"https://blog.hatena.ne.jp/m1smile10often/","width":"100%","blog_url":"https://maimux2x.hatenablog.com/","blog_title":"\u51fa\u308b\u676d\u306f\u6253\u305f\u308c\u306a\u3044","provider_name":"Hatena Blog","categories":["\u5b66\u3093\u3060\u3053\u3068","\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9","Rails","Ember.js"],"url":"https://maimux2x.hatenablog.com/entry/2025/05/11/204626","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaimux2x.hatenablog.com%2Fentry%2F2025%2F05%2F11%2F204626\" title=\"\u3010\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u5b66\u7fd2\u8a18\u9332\u3011ActiveStorage\u3092\u4f7f\u3063\u3066\u30d6\u30ed\u30b0\u8a18\u4e8b\u306b\u753b\u50cf\u3092\u8907\u6570\u679a\u6dfb\u4ed8\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b - \u51fa\u308b\u676d\u306f\u6253\u305f\u308c\u306a\u3044\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u524d\u56de\u3001ActiveStorage \u3092\u4f7f\u3063\u3066\u753b\u50cf\u30921\u679a\u6dfb\u4ed8\u3059\u308b\u3084\u308a\u65b9\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u305f\u3002 maimux2x.hatenablog.com \u4eca\u56de\u306f\u305d\u306e\u7d9a\u304d\u3067\u3001ActiveStorage \u3092\u4f7f\u3063\u3066\u8907\u6570\u679a\u306e\u753b\u50cf\u3092\u6dfb\u4ed8\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u307e\u305a\u3001Rails \u5074\u3092\u4fee\u6b63\u3057\u3066\u3044\u304d\u307e\u3059\u3002 # app/models/post.rb class Post < ApplicationRecord has_many_attached :images # \u5909\u66f4 # \u7701\u7565 validates :images, content_type: [ \"image/png\", \"image/jpeg\" ] end\u2026","version":"1.0","type":"rich","published":"2025-05-11 20:46:26","provider_url":"https://hatena.blog"}