refactor: remove the fast server

config/application.rb

@@ -28,5 +28,9 @@ module Postal
 
     # Disable field_with_errors
     config.action_view.field_error_proc = Proc.new { |t, i| t }
+
+    # Load the tracking server middleware
+    require 'postal/tracking_middleware'
+    config.middleware.use Postal::TrackingMiddleware
   end
 end

config/cron.rb

@@ -10,10 +10,6 @@ module Clockwork
     SendNotificationsJob.queue(:main)
   end
 
-  every 15.minutes, 'every-15-minutes', :at => ['**:00', '**:15', '**:30', '**:45'] do
-    RenewTrackCertificatesJob.queue(:main)
-  end
-
   every 1.hour, 'every-hour', :at => ['**:15'] do
     CheckAllDNSJob.queue(:main)
     ExpireHeldMessagesJob.queue(:main)

config/postal.defaults.yml

@@ -21,20 +21,6 @@ web_server:
   port: 5000
   max_threads: 5
 
-fast_server:
-  enabled: false
-  bind_address:
-    # Set appropriate IP addresses to listen on. These should be dedicated IP
-    # addresses just used for this server. You should list IPv4 and IPv6 addresses
-    # as appropriate.
-    # - 1.2.3.4
-    # - abcd:a:b:c:d::1
-  port: 80
-  ssl_port: 443
-  proxy_protocol: false
-  default_private_key_path: # Defaults to config/fast_server.key
-  default_tls_certificate_path: # Defaults to config/fast_server.cert
-
 main_db:
   host: 127.0.0.1
   port: 3306

config/puma.fast.rb

@@ -1,17 +0,0 @@
-require_relative '../lib/postal/config'
-threads_count = Postal.config.fast_server&.max_threads&.to_i || 5
-threads         threads_count, threads_count
-bind_address  = Postal.config.fast_server&.bind_address || '127.0.0.1'
-bind_port     = Postal.config.fast_server&.port&.to_i || 5010
-bind            "tcp://#{bind_address}:#{bind_port}"
-environment     Postal.config.rails&.environment || 'development'
-prune_bundler
-quiet false
-rackup File.expand_path('../../lib/postal/fast_server/config.ru', __FILE__)
-unless ENV['LOG_TO_STDOUT']
-  stdout_redirect Postal.app_root.join('log', 'puma.fast.log'), Postal.app_root.join('log', 'puma.fast.log'), true
-end
-
-if ENV['APP_ROOT']
-  directory ENV['APP_ROOT']
-end