move to rails credentials

Author: davidfeng88

.gitignore

@@ -74,5 +74,9 @@ bower.json
 # Ignore Byebug command history file.
 .byebug_history
 
-# Ignore application configuration
+# Ignore application configuration - Figaro
 /config/application.yml
+
+# Ignore master.key (Rails 5 way of storing secrets)
+# copy the key to Heroku ENV["RAILS_MASTER_KEY"]
+/config/master.key

app/views/layouts/application.html.erb

@@ -9,7 +9,7 @@
     <%= javascript_include_tag 'application' %>
 
     <%= render 'application/favicon' %>
-    <%= javascript_include_tag "https://maps.googleapis.com/maps/api/js?key=#{ENV['GOOGLE_MAPS_API_KEY']}&language=en" %>
+    <%= javascript_include_tag "https://maps.googleapis.com/maps/api/js?key=#{Rails.application.credentials.google_maps_api_key}&language=en" %>
     <!-- Global site tag (gtag.js) - Google Analytics -->
     <script async src="https://www.googletagmanager.com/gtag/js?id=UA-38641855-7"></script>
     <script>

config/application.rb

@@ -19,10 +19,10 @@ class Application < Rails::Application
       :storage => :s3,
       :s3_protocol => :https,
       :s3_credentials => {
-        :bucket => ENV["s3_bucket"],
-        :access_key_id => ENV["s3_access_key_id"],
-        :secret_access_key => ENV["s3_secret_access_key"],
-        :s3_region => ENV["s3_region"]
+        :bucket => ENV['s3_bucket'],
+        :access_key_id => Rails.application.credentials.s3_access_key_id,
+        :secret_access_key => Rails.application.credentials.s3_secret_access_key,
+        :s3_region => Rails.application.credentials.s3_region,
       }
     }
 

config/credentials.yml.enc

@@ -0,0 +1 @@
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