Utilisation de better_errors en développement pour faciliter le débug quand erreurs

Gemfile

@@ -95,6 +95,8 @@ group :development do
   # Spring speeds up development by keeping your application running in the
   # background. Read more: https://github.com/rails/spring
   gem 'spring'
+  gem 'better_errors'
+  gem 'binding_of_caller'
 
   gem 'sqlite3'
   gem 'guard-livereload'

Gemfile.lock

@@ -63,6 +63,12 @@ GEM
     astrolabe (1.3.0)
       parser (>= 2.2.0.pre.3, < 3.0)
     bcrypt (3.1.7)
+    better_errors (2.0.0)
+      coderay (>= 1.0.0)
+      erubis (>= 2.6.6)
+      rack (>= 0.9.0)
+    binding_of_caller (0.7.2)
+      debug_inspector (>= 0.0.1)
     bourbon (3.2.3)
       sass (~> 3.2)
       thor
@@ -96,6 +102,7 @@ GEM
       sass (~> 3.2.19)
     compass-rails (2.0.0)
       compass (>= 0.12.2)
+    debug_inspector (0.0.2)
     devise (3.4.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -169,7 +176,7 @@ GEM
     inherited_resources (1.4.1)
       has_scope (~> 0.6.0.rc)
       responders (~> 1.0.0.rc)
-    jbuilder (2.1.3)
+    jbuilder (2.2.1)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
     jquery-rails (3.1.2)
@@ -198,7 +205,7 @@ GEM
     meta-tags (2.0.0)
       actionpack (>= 3.0.0)
     method_source (0.8.2)
-    mime-types (2.3)
+    mime-types (2.4.1)
     minitest (5.4.2)
     modernizr-rails (2.7.1)
     multi_json (1.10.1)
@@ -348,6 +355,8 @@ DEPENDENCIES
   actionview-encoded_mail_to
   activeadmin!
   activeadmin_pagedown
+  better_errors
+  binding_of_caller
   brakeman
   coffee-rails
   compass-rails