diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 000000000..1eab56c43
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,206 @@
+AllCops:
+  RunRailsCops: true
+
+# Default enabled
+# https://github.com/bbatsov/rubocop/blob/master/config/enabled.yml
+
+# TODO:
+# https://github.com/bbatsov/rubocop#includingexcluding-files
+
+
+Style/NegatedIf:
+  Description: >-
+                 Favor unless over if for negative conditions
+                 (or control flow or).
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#unless-for-negatives'
+  Enabled: false
+
+Style/IfUnlessModifier:
+  Description: >-
+                 Favor modifier if/unless usage when you have a
+                 single-line body.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#if-as-a-modifier'
+  Enabled: false
+
+Style/TrailingComma:
+  Description: 'Checks for trailing comma in parameter lists and literals.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-trailing-array-commas'
+  Enabled: false
+
+Style/SpaceInsideParens:
+  Description: 'No spaces after ( or before ).'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
+  Enabled: false
+
+Style/SpaceAfterMethodName:
+  Description: >-
+                 Do not put a space between a method name and the opening
+                 parenthesis in a method definition.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#parens-no-spaces'
+  Enabled: false
+
+Style/SingleSpaceBeforeFirstArg:
+  Description: >-
+                 Checks that exactly one space is used between a method name
+                 and the first argument for method calls without parentheses.
+  Enabled: false
+
+Style/LeadingCommentSpace:
+  Description: 'Comments should start with a space.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-space'
+  Enabled: false
+
+Style/MethodCallParentheses:
+  Description: 'Do not use parentheses for method calls with no arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-args-no-parens'
+  Enabled: false
+
+Style/SpaceInsideBrackets:
+  Description: 'No spaces after [ or before ].'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-spaces-braces'
+  Enabled: false
+
+Style/DefWithParentheses:
+  Description: 'Use def with parentheses when there are arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
+  Enabled: false
+Style/MethodDefParentheses:
+  Description: >-
+                 Checks if the method definitions have or don't have
+                 parentheses.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#method-parens'
+  Enabled: false
+
+Style/EmptyLinesAroundClassBody:
+  Description: "Keeps track of empty lines around class bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundMethodBody:
+  Description: "Keeps track of empty lines around method bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundBlockBody:
+  Description: "Keeps track of empty lines around block bodies."
+  Enabled: false
+
+Style/EmptyLinesAroundModuleBody:
+  Description: "Keeps track of empty lines around module bodies."
+  Enabled: false
+
+Style/BlockDelimiters:
+  Description: >-
+                Avoid using {...} for multi-line blocks (multiline chaining is
+                always ugly).
+                Prefer {...} over do...end for single-line blocks.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
+  Enabled: false
+
+Style/MultilineBlockChain:
+  Description: 'Avoid multi-line chains of blocks.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#single-line-blocks'
+  Enabled: false
+
+Metrics/ClassLength:
+  Description: 'Avoid classes longer than 100 lines of code.'
+  Enabled: false
+
+Metrics/MethodLength:
+  Description: 'Avoid methods longer than 10 lines of code.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#short-methods'
+  Enabled: false
+
+Style/BlockComments:
+  Description: 'Do not use block comments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-block-comments'
+  Enabled: false
+
+Style/PerlBackrefs:
+  Description: 'Avoid Perl-style regex back references.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-perl-regexp-last-matchers'
+  Enabled: false
+
+Style/SelfAssignment:
+  Description: >-
+                 Checks for places where self-assignment shorthand should have
+                 been used.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#self-assignment'
+  Enabled: false
+
+# [Corrected] Redundant curly braces around a hash parameter.
+Style/BracesAroundHashParameters:
+  Description: 'Enforce braces style around hash parameters.'
+  Enabled: false
+
+Rails/FindEach:
+  Description: 'Prefer all.find_each over all.find.'
+  Enabled: false
+
+
+
+
+
+
+
+Style/Documentation:
+  Description: 'Document classes and non-namespace modules.'
+  Enabled: false
+
+Style/EmptyLineBetweenDefs:
+  Description: 'Use empty lines between defs.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#empty-lines-between-methods'
+  Enabled: false
+
+Rails/ActionFilter:
+  Description: 'Enforces consistent use of action filter methods.'
+  Enabled: false
+
+Rails/FindBy:
+  Description: 'Prefer find_by over where.first.'
+  Enabled: false
+
+Style/NilComparison:
+  Description: 'Prefer x.nil? to x == nil.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#predicate-methods'
+  Enabled: false
+
+Style/SymbolProc:
+  Description: 'Use symbols as procs instead of blocks when possible.'
+  Enabled: false
+
+Style/HashSyntax:
+  Description: >-
+                 Prefer Ruby 1.9 hash syntax { a: 1, b: 2 } over 1.8 syntax
+                 { :a => 1, :b => 2 }.
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-literals'
+  Enabled: false
+
+Style/RedundantBegin:
+  Description: "Don't use begin blocks when they are not needed."
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#begin-implicit'
+  Enabled: false
+
+Lint/UnusedBlockArgument:
+  Description: 'Checks for unused block arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
+  Enabled: false
+
+Lint/UnusedMethodArgument:
+  Description: 'Checks for unused method arguments.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#underscore-unused-vars'
+  Enabled: false
+
+Style/SignalException:
+  Description: 'Checks for proper usage of fail and raise.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#fail-method'
+  Enabled: false
+
+Style/WordArray:
+  Description: 'Use %w or %W for arrays of words.'
+  StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#percent-w'
+  Enabled: false
+
+Metrics/AbcSize:
+  Description: >-
+                 A calculated magnitude based on number of assignments,
+                 branches, and conditions.
+  Enabled: false
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index b7391c712..45a7301b8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -78,6 +78,9 @@ group :development, :test do
     gem 'guard-livereload',  :require => false
     gem 'rack-livereload'
     gem 'rb-fsevent',        :require => false
+
+    # code QA
+    gem 'rubocop'
 end
 
 gem 'puma'