Switch to passenger (Part I)

Gemfile

@@ -26,12 +26,12 @@ gem "rollbar"
 gem "scenic"
 gem "secure_headers"
 gem "skylight"
-gem "thin"
 gem "tzinfo" # For validation of user selected timezone names
 gem "valid_url"
 gem "webpack-rails"
 
 group :development, :test do
+  gem "thin"
   gem "capybara"
   gem "codecov", require: false
   gem "database_cleaner"
@@ -49,3 +49,7 @@ group :development, :test do
   gem "simplecov"
   gem "smarf_doc", git: "https://github.com/RickCarlino/smarf_doc.git"
 end
+
+group :production do
+  gem "passenger"
+end

Gemfile.lock

@@ -208,6 +208,9 @@ GEM
       mime-types
       mimemagic (~> 0.3.0)
       terrapin (~> 0.6.0)
+    passenger (5.3.1)
+      rack
+      rake (>= 0.8.1)
     pg (1.0.0)
     polymorphic_constraints (1.0.0)
       rails
@@ -371,6 +374,7 @@ DEPENDENCIES
   lol_dba
   mutations
   paperclip
+  passenger
   pg
   polymorphic_constraints
   pry

Procfile

@@ -1,3 +1,3 @@
-web:         bin/rails server -p $PORT -e $RAILS_ENV
+web:         bundle exec passenger start -p $PORT -e $RAILS_ENV --max-pool-size 3
 log_service: bin/rails r lib/log_service.rb
 worker:      bundle exec rake jobs:work