use better_errors

Gemfile

@@ -34,6 +34,8 @@ gem 'uglifier', '>= 1.3.0'
 gem 'will_paginate', '~> 3.0'
 
 group :development do
+  gem 'better_errors', platform: :ruby
+  gem 'binding_of_caller', platform: :ruby
   gem 'capistrano', '~> 3.2.1'
   gem 'capistrano3-puma'
   gem 'capistrano-rails', '~> 1.1'

Gemfile.lock

@@ -39,6 +39,12 @@ GEM
       ZenTest (~> 4.5)
     bcrypt (3.1.10)
     bcrypt (3.1.10-java)
+    better_errors (2.1.1)
+      coderay (>= 1.0.0)
+      erubis (>= 2.6.6)
+      rack (>= 0.9.0)
+    binding_of_caller (0.7.2)
+      debug_inspector (>= 0.0.1)
     bootstrap-will_paginate (0.0.10)
       will_paginate
     builder (3.2.2)
@@ -90,6 +96,7 @@ GEM
     concurrent-ruby-ext (0.8.0)
       concurrent-ruby (~> 0.8.0)
     database_cleaner (1.4.0)
+    debug_inspector (0.0.2)
     diff-lcs (1.2.5)
     docile (1.1.5)
     docker-api (1.17.0)
@@ -302,6 +309,8 @@ DEPENDENCIES
   activerecord-jdbcpostgresql-adapter
   autotest-rails
   bcrypt (~> 3.1.7)
+  better_errors
+  binding_of_caller
   bootstrap-will_paginate
   capistrano (~> 3.2.1)
   capistrano-rails (~> 1.1)