Add initial rails-performance implementation

Gemfile

@@ -81,6 +81,9 @@ gem "rack-mini-profiler"
 gem "memory_profiler"
 gem "flamegraph"
 
+# Rails Performance monitoring dashboard
+gem "rails_performance"
+
 gem "skylight"
 
 # Ahoy analytics

Gemfile.lock

@@ -110,6 +110,7 @@ GEM
       msgpack (~> 1.2)
     brakeman (7.0.2)
       racc
+    browser (6.2.0)
     builder (3.3.0)
     bullet (8.0.8)
       activesupport (>= 3.0.0)
@@ -385,6 +386,10 @@ GEM
     rails-html-sanitizer (1.6.2)
       loofah (~> 2.21)
       nokogiri (>= 1.15.7, != 1.16.7, != 1.16.6, != 1.16.5, != 1.16.4, != 1.16.3, != 1.16.2, != 1.16.1, != 1.16.0.rc1, != 1.16.0)
+    rails_performance (1.4.2)
+      browser
+      railties
+      redis
     railties (8.0.2)
       actionpack (= 8.0.2)
       activesupport (= 8.0.2)
@@ -403,6 +408,10 @@ GEM
       erb
       psych (>= 4.0.0)
     redcarpet (3.6.1)
+    redis (5.4.0)
+      redis-client (>= 0.22.0)
+    redis-client (0.25.0)
+      connection_pool
     regexp_parser (2.10.0)
     reline (0.6.1)
       io-console (~> 0.5)
@@ -587,6 +596,7 @@ DEPENDENCIES
   rack-cors
   rack-mini-profiler
   rails (~> 8.0.2)
+  rails_performance
   redcarpet
   rubocop-rails-omakase
   selenium-webdriver

config/initializers/rails_performance.rb

@@ -0,0 +1,40 @@
+if defined?(RailsPerformance)
+  RailsPerformance.setup do |config|
+    # Redis is required for rails_performance
+    config.redis = Redis.new(url: ENV["REDIS_URL"].presence || "redis://127.0.0.1:6379/0")
+    config.duration = 4.hours
+
+    # Custom data to track
+    config.custom_data_proc = lambda do |env|
+      request = Rack::Request.new(env)
+      data = {}
+
+      # Track current user if available
+      if request.session && request.session["user_id"]
+        user = User.find_by(id: request.session["user_id"])
+        if user
+          data[:user_id] = user.id
+          data[:username] = user.username
+          data[:user_admin] = user.admin?
+        end
+      end
+
+      # Track HTTP User Agent
+      data[:user_agent] = request.user_agent
+
+      # Track IP address
+      data[:remote_ip] = request.ip
+
+      # Track referer
+      data[:referer] = request.referer
+
+      data
+    end
+
+    # Skip certain paths
+    config.ignored_paths = [ "/good_job", "/rails/health", "/assets", "/rails/performance" ]
+
+    # Enable monitoring for all environments (you might want to restrict this)
+    config.enabled = true
+  end
+end

config/routes.rb

@@ -14,6 +14,7 @@ def self.matches?(request)
     mount GoodJob::Engine => "good_job"
     mount AhoyCaptain::Engine => "/ahoy_captain"
     mount Flipper::UI.app(Flipper) => "flipper", as: :flipper
+    mount RailsPerformance::Engine => "rails_performance", as: :rails_performance
 
     get "/impersonate/:id", to: "sessions#impersonate", as: :impersonate_user
   end

docker-compose.yml

@@ -11,11 +11,13 @@ services:
     environment:
       - RAILS_ENV=development
       - DATABASE_URL=postgres://postgres:secureorpheus123@db:5432/app_development
+      - REDIS_URL=redis://redis:6379/0
       - POSTGRES_HOST=db
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=secureorpheus123
     depends_on:
       - db
+      - redis
 
   db:
     image: postgres:16
@@ -28,6 +30,14 @@ services:
     ports:
       - "5432:5432"
 
+  redis:
+    image: redis:7.0
+    ports:
+      - "6379:6379"
+    volumes:
+      - harbor_redis_data:/data
+
 volumes:
   harbor_postgres_data:
+  harbor_redis_data:
   bundle_cache: