bundle add webpacker

Gemfile

@@ -46,3 +46,5 @@ end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+gem "webpacker", "~> 5.1"

Gemfile.lock

@@ -105,6 +105,8 @@ GEM
     puma (4.3.5)
       nio4r (~> 2.0)
     rack (2.2.3)
+    rack-proxy (0.6.5)
+      rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.3.2)
@@ -142,6 +144,7 @@ GEM
     selenium-webdriver (3.142.7)
       childprocess (>= 0.5, < 4.0)
       rubyzip (>= 1.2.2)
+    semantic_range (2.3.0)
     spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
@@ -167,6 +170,11 @@ GEM
       nokogiri (~> 1.6)
       rubyzip (>= 1.3.0)
       selenium-webdriver (>= 3.0, < 4.0)
+    webpacker (5.1.1)
+      activesupport (>= 5.2)
+      rack-proxy (>= 0.6.1)
+      railties (>= 5.2)
+      semantic_range (>= 2.3.0)
     websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
@@ -192,6 +200,7 @@ DEPENDENCIES
   tzinfo-data
   web-console (>= 3.3.0)
   webdrivers
+  webpacker (~> 5.1)
 
 RUBY VERSION
    ruby 2.7.1p83