Fix HUP fork restart of database, and speed up postgres hits

Gemfile

@@ -11,6 +11,7 @@ gem 'puma', require: nil
 
 platform :mri do
   gem 'pg'
+  gem 'sequel_pg', require: nil
   gem 'hiredis'
   gem 'rainbows', require: nil
 

Gemfile.lock

@@ -58,6 +58,9 @@ GEM
     rake (10.0.4)
     redis (3.0.4)
     sequel (3.47.0)
+    sequel_pg (1.6.6)
+      pg (>= 0.8.0)
+      sequel (>= 3.39.0)
     shotgun (0.9)
       rack (>= 1.0)
     simplecov (0.7.1)
@@ -110,6 +113,7 @@ DEPENDENCIES
   redis
   ruby-debug
   sequel
+  sequel_pg
   shotgun
   simplecov
   sinatra

environment.rb

@@ -12,7 +12,7 @@ Bundler.require :development if ENV['RACK_ENV'] == 'development'
 
 $config = YAML.load_file(File.join(DIR_ROOT, 'config.yml'))[ENV['RACK_ENV']]
 
-DB = Sequel.connect $config['database']
+DB = Sequel.connect $config['database'], sslmode: 'disable'
 
 Dir.glob('workers/*.rb').each {|w| require File.join(DIR_ROOT, "/#{w}") }
 

rainbows_config.rb

@@ -27,4 +27,8 @@ Rainbows! do
       end
     end
   end
+  
+  after_fork do |server, worker|
+    DB.disconnect
+  end
 end