Fix cors

Gemfile

@@ -21,7 +21,7 @@ gem 'puma', '~> 3.11'
 gem 'bootsnap', '>= 1.1.0', require: false
 
 # Use Rack CORS for handling Cross-Origin Resource Sharing (CORS), making cross-origin AJAX possible
-# gem 'rack-cors'
+gem 'rack-cors'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

Gemfile.lock

@@ -77,6 +77,7 @@ GEM
       mini_portile2 (~> 2.3.0)
     puma (3.12.0)
     rack (2.0.5)
+    rack-cors (1.0.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (5.2.0)
@@ -137,6 +138,7 @@ DEPENDENCIES
   byebug
   listen (>= 3.0.5, < 3.2)
   puma (~> 3.11)
+  rack-cors
   rails (~> 5.2.0)
   spring
   spring-watcher-listen (~> 2.0.0)

config/initializers/cors.rb

@@ -5,12 +5,12 @@
 
 # Read more: https://github.com/cyu/rack-cors
 
-# Rails.application.config.middleware.insert_before 0, Rack::Cors do
-#   allow do
-#     origins 'example.com'
-#
-#     resource '*',
-#       headers: :any,
-#       methods: [:get, :post, :put, :patch, :delete, :options, :head]
-#   end
-# end
+ Rails.application.config.middleware.insert_before 0, Rack::Cors do
+   allow do
+     origins '*'
+
+     resource '*',
+       headers: :any,
+       methods: [:get, :post, :put, :patch, :delete, :options, :head]
+   end
+ end