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rack_mini_profiler_setup

🕵️‍♂️ Profile with rack-mini-profiler​

Identify slow queries and view render times with rack-mini-profiler. It overlays a performance panel in your app, helping you spot bottlenecks quickly.

# Gemfile
gem 'rack-mini-profiler', require: false

# config/initializers/mini_profiler.rb
if Rails.env.development?
  require 'rack-mini-profiler'
  Rack::MiniProfilerRails.initialize!(Rails.application)
end