Create installation controller with consul details method, add route on routes.rb

app/controllers/installation_controller.rb

@@ -0,0 +1,24 @@
+class InstallationController < ApplicationController
+
+  skip_authorization_check
+
+  def details
+    respond_to do |format|
+      format.any { render json: consul_installation_details.to_json, content_type: 'application/json' }
+    end
+  end
+
+  private
+
+  def consul_installation_details
+   {
+     release: 'v0.11'
+   }.merge(features: settings_feature_flags)
+  end
+
+  def settings_feature_flags
+    Setting.where("key LIKE 'feature.%'").each_with_object({}) { |x, n| n[x.key.remove('feature.')] = x.value }
+  end
+
+end
+

config/routes.rb

@@ -36,6 +36,8 @@ Rails.application.routes.draw do
   get '/welcome', to: 'welcome#welcome'
   get '/cuentasegura', to: 'welcome#verification', as: :cuentasegura
 
+  get '/consul.json', to: "installation#details"
+
   resources :debates do
     member do
       post :vote