much better, now with carrierwave

Gemfile.lock

@@ -104,6 +104,13 @@ GEM
       rack-test (>= 0.6.3)
       regexp_parser (>= 1.5, < 3.0)
       xpath (~> 3.2)
+    carrierwave (3.0.0.beta)
+      activemodel (>= 6.0.0)
+      activesupport (>= 6.0.0)
+      addressable (~> 2.6)
+      image_processing (~> 1.1)
+      marcel (~> 1.0.0)
+      ssrf_filter (~> 1.0)
     coderay (1.1.3)
     concurrent-ruby (1.1.10)
     crass (1.0.6)
@@ -285,6 +292,7 @@ GEM
       actionpack (>= 5.2)
       activesupport (>= 5.2)
       sprockets (>= 3.0.0)
+    ssrf_filter (1.1.1)
     tailwindcss-rails (2.0.21-x86_64-linux)
       railties (>= 6.0.0)
     temple (0.9.1)
@@ -318,13 +326,13 @@ PLATFORMS
 DEPENDENCIES
   bootsnap
   capybara
+  carrierwave (>= 3.0.0.beta, < 4.0)
   debug
   devise
   guard
   guard-minitest
   haml-rails
   html2haml
-  image_processing (~> 1.2)
   importmap-rails
   merged!
   mina