My curated Rubocop config

rubocop.yml

# See https://github.com/bbatsov/rubocop

# Add this to the top of your .rubocop.yml:
#   inherit_from:
#    - https://gist.githubusercontent.com/infertux/cdd2ccc6e0a0cd94f458/raw

# AllCops

AllCops:
  TargetRubyVersion: 2.3
  Exclude:
    - 'db/schema.rb'
    - 'vendor/**/*'

# Metrics

Metrics:
  Enabled: false

# Lint

Lint/AmbiguousRegexpLiteral:
  Exclude: [features/**/*] # allow "Given /^I am a cuke$/"

Lint/DefEndAlignment:
  Enabled: false

Lint/EndAlignment:
  Enabled: false

# Style

Style/AccessModifierIndentation:
  EnforcedStyle: outdent

Style/AndOr:
  Enabled: false

Style/ClosingParenthesisIndentation:
  Enabled: false

Style/Documentation:
  Enabled: false

Style/ElseAlignment:
  Enabled: false

Style/GlobalVars:
  AllowedVariables: [$redis]

Style/IndentationWidth:
  Enabled: false

Style/MultilineMethodCallBraceLayout:
  Enabled: false

Style/ParallelAssignment:
  Enabled: false

Style/PredicateName:
  Enabled: false

Style/SignalException:
  EnforcedStyle: only_raise

Style/StringLiterals:
  Enabled: false

Style/TrailingCommaInArguments:
  Enabled: false

Style/TrailingCommaInLiteral:
  EnforcedStyleForMultiline: comma

Style/TrivialAccessors:
  ExactNameMatch: true