fix an issue with the health endpoint

app/controllers/health_controller.rb

@@ -20,7 +20,7 @@ class HealthController < ActionController::Base
         version: Version.up_to_date?
       },
       stats: HealthService.stats,
-      tagline: 'Manage the DIY'
+      tagline: 'The platform to manage your fablab or your coworking space.'
     }
   end
 end

app/services/health_service.rb

@@ -60,7 +60,7 @@ class HealthService
     return false unless key
 
     public_key = OpenSSL::PKey::RSA.new(key)
-    Base64.encode64(public_key.public_encrypt(stats))
+    Base64.encode64(public_key.public_encrypt(row_stats.to_json.to_s))
   end
 
   # availabilities for the last week