diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/.gitignore b/MetricsEvaluatorCode/Ruby/fairmetrics/.gitignore
index dcc5b36..ce3a220 100644
--- a/MetricsEvaluatorCode/Ruby/fairmetrics/.gitignore
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/.gitignore
@@ -21,3 +21,4 @@
 /yarn-error.log
 
 .byebug_history
+Passenger.json
\ No newline at end of file
diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile b/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile
index ef56604..0f05096 100644
--- a/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile
@@ -10,8 +10,10 @@ end
 gem 'rails', '~> 5.1.4'
 # Use sqlite3 as the database for Active Record
 gem 'sqlite3'
+# Use Passenger as the app server
+gem 'passenger'
 # Use Puma as the app server
-gem 'puma', '~> 3.7'
+#gem 'puma', '~> 3.7'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
@@ -48,6 +50,7 @@ gem 'jwt'
 gem 'simple_command'
 gem 'json-ld', '~> 3.0.2'
 gem 'rest-client', '~> 2.0.2'
+gem 'will_paginate', '~> 3.1.0'
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile.lock b/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile.lock
index a0af569..1345de8 100644
--- a/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile.lock
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/Gemfile.lock
@@ -122,8 +122,10 @@ GEM
       addressable (~> 2.3)
       json-schema (~> 2.8)
     openssl (2.0.3)
+    passenger (6.0.2)
+      rack
+      rake (>= 0.8.1)
     public_suffix (3.0.1)
-    puma (3.11.2)
     rack (2.0.3)
     rack-cors (1.0.2)
     rack-test (0.8.2)
@@ -233,6 +235,7 @@ GEM
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
+    will_paginate (3.1.7)
     xpath (3.0.0)
       nokogiri (~> 1.8)
 
@@ -253,7 +256,7 @@ DEPENDENCIES
   nokogiri
   open_api_parser
   openssl
-  puma (~> 3.7)
+  passenger
   rack-cors
   rails (~> 5.1.4)
   rdf-json
@@ -270,6 +273,7 @@ DEPENDENCIES
   turbolinks (~> 5)
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)
+  will_paginate (~> 3.1.0)
 
 BUNDLED WITH
-   2.0.1
+   1.17.3
diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/Passenger.json_template b/MetricsEvaluatorCode/Ruby/fairmetrics/Passenger.json_template
new file mode 100644
index 0000000..29a7095
--- /dev/null
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/Passenger.json_template
@@ -0,0 +1,6 @@
+{
+  "environment": "production",
+  "port": 3000,
+  "daemonize": true,
+  "user": "yourusername"
+}
\ No newline at end of file
diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/app/models/evaluation.rb b/MetricsEvaluatorCode/Ruby/fairmetrics/app/models/evaluation.rb
index 5af4fbb..86fdd99 100644
--- a/MetricsEvaluatorCode/Ruby/fairmetrics/app/models/evaluation.rb
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/app/models/evaluation.rb
@@ -3,4 +3,5 @@ class Evaluation < ApplicationRecord
   attr_accessor :subject
   
   validates_presence_of :collection, :resource, :executor, :title
+  self.per_page = 10
 end
diff --git a/MetricsEvaluatorCode/Ruby/fairmetrics/app/views/metrics/_metric.json.jbuilder b/MetricsEvaluatorCode/Ruby/fairmetrics/app/views/metrics/_metric.json.jbuilder
index 44d514a..0fc955b 100644
--- a/MetricsEvaluatorCode/Ruby/fairmetrics/app/views/metrics/_metric.json.jbuilder
+++ b/MetricsEvaluatorCode/Ruby/fairmetrics/app/views/metrics/_metric.json.jbuilder
@@ -16,6 +16,6 @@ end
 
 metrics_url = "https://purl.org/fair-metrics/"
 
-json.extract! metric, :name, :orcid, :creator, :description, :email, :test_of_metric, :smarturl, :created_at, :updated_at
+json.extract! metric, :name, :orcid, :creator, :description, :email, :test_of_metric, :smarturl, :created_at, :updated_at, :deprecated
 
 json.principle metrics_url + metric.principle.to_s