#14 共通のサムネとタイトルの取得は完成

backend/Gemfile.lock

@@ -92,10 +92,21 @@ GEM
     drb (2.2.1)
     ed25519 (1.4.0)
     erubi (1.13.1)
+    ffi (1.17.2-aarch64-linux-gnu)
+    ffi (1.17.2-aarch64-linux-musl)
+    ffi (1.17.2-arm-linux-gnu)
+    ffi (1.17.2-arm-linux-musl)
+    ffi (1.17.2-arm64-darwin)
+    ffi (1.17.2-x86_64-darwin)
+    ffi (1.17.2-x86_64-linux-gnu)
+    ffi (1.17.2-x86_64-linux-musl)
     globalid (1.2.1)
       activesupport (>= 6.1)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
+    image_processing (1.14.0)
+      mini_magick (>= 4.9.5, < 6)
+      ruby-vips (>= 2.0.17, < 3)
     io-console (0.8.0)
     irb (1.15.2)
       pp (>= 0.6.0)
@@ -127,6 +138,9 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.4)
+    mini_magick (5.2.0)
+      benchmark
+      logger
     mini_mime (1.1.5)
     minitest (5.25.5)
     msgpack (1.8.0)
@@ -252,6 +266,9 @@ GEM
       rubocop-performance (>= 1.24)
       rubocop-rails (>= 2.30)
     ruby-progressbar (1.13.0)
+    ruby-vips (2.2.3)
+      ffi (~> 1.12)
+      logger
     securerandom (0.4.1)
     sprockets (4.2.2)
       concurrent-ruby (~> 1.0)
@@ -312,9 +329,11 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   brakeman
+  image_processing (~> 1.14)
   jwt
   kamal
   mysql2 (~> 0.5.6)
+  nokogiri (~> 1.18)
   puma (>= 5.0)
   rack-cors
   rails (~> 8.0.2)