Update deps

Gemfile

@@ -8,11 +8,11 @@ gem 'rails', '~> 6.0.3'
 # Use postgreSQL as db
 gem 'pg', '~> 1.2'
 # Use Puma as the app server
-gem 'puma', '~> 4.1'
+gem 'puma', '~> 5.0'
 # Use SCSS for stylesheets
 gem 'sass-rails', '>= 6'
 # Transpile app-like JavaScript. Read more: https://github.com/rails/webpacker
-gem 'webpacker', '~> 4.0'
+gem 'webpacker', '~> 5.4.0'
 # Turbolinks makes navigating your web application faster. Read more: https://github.com/turbolinks/turbolinks
 gem 'turbolinks', '~> 5'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
@@ -21,6 +21,7 @@ gem 'jbuilder', '~> 2.7'
 # gem 'redis', '~> 4.0'
 # Use Active Model has_secure_password
 # gem 'bcrypt', '~> 3.1.7'
+gem 'mimemagic', github: 'mimemagicrb/mimemagic', ref: '01f92d86d15d85cfd0f20dabd025dcbd36a8a60f'
 
 # Use Active Storage variant
 # gem 'image_processing', '~> 1.2'

Gemfile.lock

@@ -1,3 +1,10 @@
+GIT
+  remote: https://github.com/mimemagicrb/mimemagic.git
+  revision: 01f92d86d15d85cfd0f20dabd025dcbd36a8a60f
+  ref: 01f92d86d15d85cfd0f20dabd025dcbd36a8a60f
+  specs:
+    mimemagic (0.3.5)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -104,7 +111,6 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.1)
@@ -114,10 +120,10 @@ GEM
       mini_portile2 (~> 2.4.0)
     pg (1.2.3)
     public_suffix (4.0.5)
-    puma (4.3.5)
+    puma (5.4.0)
       nio4r (~> 2.0)
     rack (2.2.2)
-    rack-proxy (0.6.5)
+    rack-proxy (0.7.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -172,6 +178,7 @@ GEM
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
+    semantic_range (3.0.0)
     spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
@@ -200,10 +207,11 @@ GEM
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
       selenium-webdriver (>= 3.0, < 4.0)
-    webpacker (4.2.2)
-      activesupport (>= 4.2)
+    webpacker (5.4.0)
+      activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
-      railties (>= 4.2)
+      railties (>= 5.2)
+      semantic_range (>= 2.3.0)
     websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.4)
@@ -221,8 +229,9 @@ DEPENDENCIES
   factory_bot_rails
   jbuilder (~> 2.7)
   listen (~> 3.2)
+  mimemagic!
   pg (~> 1.2)
-  puma (~> 4.1)
+  puma (~> 5.0)
   rails (~> 6.0.3)
   react-rails
   sass-rails (>= 6)
@@ -233,7 +242,7 @@ DEPENDENCIES
   tzinfo-data
   web-console (>= 3.3.0)
   webdrivers
-  webpacker (~> 4.0)
+  webpacker (~> 5.4.0)
 
 RUBY VERSION
    ruby 2.7.1p83

package.json

@@ -6,7 +6,7 @@
     "@rails/actioncable": "^6.0.0",
     "@rails/activestorage": "^6.0.0",
     "@rails/ujs": "^6.0.0",
-    "@rails/webpacker": "4.2.2",
+    "@rails/webpacker": "5.4.0",
     "babel-plugin-transform-react-remove-prop-types": "^0.4.24",
     "bootstrap": "^4.5.0",
     "jquery": "^3.5.1",