Added .eager_load config variable to each environment respectively

config/environments/development.rb

@@ -31,6 +31,5 @@ Ensl::Application.configure do
   # Use a different cache store
   config.cache_store = :dalli_store
 
-  # Enable threaded mode
+  config.eager_load = false
-  # config.threadsafe!
 end

config/environments/production.rb

@@ -64,4 +64,6 @@ Ensl::Application.configure do
 
   # Custom Session Store config to allow gathers.staging.ensl.org
   # config.session_store :cookie_store, key: '_ENSL_session_key', expire_after: 30.days.to_i, domain: "gathers.ensl.org"
+
+  config.eager_load = true
 end

config/environments/staging.rb

@@ -64,4 +64,6 @@ Ensl::Application.configure do
 
   # Custom Session Store config to allow gathers.staging.ensl.org
   config.session_store :cookie_store, key: "_ENSL_session_key_staging", expire_after: 30.days.to_i, domain: ".staging.ensl.org"
+
+  config.eager_load = true
 end

config/environments/test.rb

@@ -32,4 +32,6 @@ Ensl::Application.configure do
 
   # Print deprecation notices to the stderr
   config.active_support.deprecation = :stderr
+
+  config.eager_load = true
 end