diff --git a/bin/rails b/bin/rails
index 728cd85aa..5191e6927 100755
--- a/bin/rails
+++ b/bin/rails
@@ -1,4 +1,4 @@
 #!/usr/bin/env ruby
-APP_PATH = File.expand_path('../../config/application',  __FILE__)
+APP_PATH = File.expand_path('../../config/application', __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'
diff --git a/bin/setup b/bin/setup
new file mode 100755
index 000000000..acdb2c138
--- /dev/null
+++ b/bin/setup
@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+require 'pathname'
+
+# path to your application root.
+APP_ROOT = Pathname.new File.expand_path('../../',  __FILE__)
+
+Dir.chdir APP_ROOT do
+  # This script is a starting point to setup your application.
+  # Add necessary setup steps to this file:
+
+  puts "== Installing dependencies =="
+  system "gem install bundler --conservative"
+  system "bundle check || bundle install"
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?("config/database.yml")
+  #   system "cp config/database.yml.sample config/database.yml"
+  # end
+
+  puts "\n== Preparing database =="
+  system "bin/rake db:setup"
+
+  puts "\n== Removing old logs and tempfiles =="
+  system "rm -f log/*"
+  system "rm -rf tmp/cache"
+
+  puts "\n== Restarting application server =="
+  system "touch tmp/restart.txt"
+end
diff --git a/config/application.rb b/config/application.rb
index e706085ac..ba26bbf6c 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -20,7 +20,7 @@ module Danbooru
     config.action_mailer.smtp_settings = {:enable_starttls_auto => false}
     config.action_mailer.perform_deliveries = true
     config.log_tags = [lambda {|req| "PID:#{Process.pid}"}]
-    config.active_support.test_order = :random
+    config.active_record.raise_in_transactional_callbacks = true
   end
 
   I18n.enforce_available_locales = false
diff --git a/config/boot.rb b/config/boot.rb
index 5e5f0c1fa..6b750f00b 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,4 +1,3 @@
-# Set up gems listed in the Gemfile.
 ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
 
-require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' # Set up gems listed in the Gemfile.
diff --git a/config/environment.rb b/config/environment.rb
index df3006d34..ee8d90dc6 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -1,5 +1,5 @@
-# Load the rails application
+# Load the Rails application.
 require File.expand_path('../application', __FILE__)
 
-# Initialize the rails application
+# Initialize the Rails application.
 Rails.application.initialize!
diff --git a/config/environments/development.rb b/config/environments/development.rb
index ddf0e90cc..b55e2144b 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -27,6 +27,10 @@ Rails.application.configure do
   # number of complex assets.
   config.assets.debug = true
 
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
+  config.assets.digest = true
+
   # Adds additional error checking when serving assets at runtime.
   # Checks for improperly declared sprockets dependencies.
   # Raises helpful error messages.
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 8f9bf536e..3468752c4 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -16,11 +16,13 @@ Rails.application.configure do
 
   # Enable Rack::Cache to put a simple HTTP cache in front of your application
   # Add `rack-cache` to your Gemfile before enabling this.
-  # For large-scale production use, consider using a caching reverse proxy like nginx, varnish or squid.
+  # For large-scale production use, consider using a caching reverse proxy like
+  # NGINX, varnish or squid.
   # config.action_dispatch.rack_cache = true
 
-  # Disable Rails's static asset server (Apache or nginx will already do this).
-  config.serve_static_files = false
+  # Disable serving static files from the `/public` folder by default since
+  # Apache or NGINX already handles this.
+  config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
   # Compress JavaScripts and CSS.
   config.assets.js_compressor = :uglifier
@@ -29,20 +31,21 @@ Rails.application.configure do
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = true
 
-  # Generate digests for assets URLs.
+  # Asset digests allow you to set far-future HTTP expiration dates on all assets,
+  # yet still be able to expire them through the digest params.
   config.assets.digest = true
 
-  # Version of your assets, change this if you want to expire all your assets.
-  # config.assets.version = '1.0'
+  # `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for nginx
+  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
+  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
-  # Set to :debug to see everything in the log.
+  # Use the lowest log level to ensure availability of diagnostic information
+  # when problems arise.
   config.log_level = :error
 
   # Prepend all log lines with the following tags.
@@ -52,14 +55,10 @@ Rails.application.configure do
   # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
 
   # Use a different cache store in production.
-  # config.cache_store = :dalli_store, Danbooru.config.memcached_servers
+  # config.cache_store = :mem_cache_store
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.action_controller.asset_host = "http://assets.example.com"
-
-  # Precompile additional assets.
-  # application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
-  config.assets.precompile += %w( *.png *.jpg *.gif )
+  # config.action_controller.asset_host = 'http://assets.example.com'
 
   # Ignore bad email addresses and do not raise email delivery errors.
   # Set this to true and configure the email server for immediate delivery to raise delivery errors.
@@ -72,12 +71,10 @@ Rails.application.configure do
   # Send deprecation notices to registered listeners.
   config.active_support.deprecation = :notify
 
-  # Disable automatic flushing of the log to improve performance.
-  # config.autoflush_log = false
-
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
+
 end
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 5f62248c5..1c19f08b2 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -12,8 +12,8 @@ Rails.application.configure do
   # preloads Rails for running tests, you may have to set it to true.
   config.eager_load = false
 
-  # Configure static asset server for tests with Cache-Control for performance.
-  config.serve_static_files  = true
+  # Configure static file server for tests with Cache-Control for performance.
+  config.serve_static_files   = true
   config.static_cache_control = 'public, max-age=3600'
 
   # Show full error reports and disable caching.
@@ -31,6 +31,9 @@ Rails.application.configure do
   # ActionMailer::Base.deliveries array.
   config.action_mailer.delivery_method = :test
 
+  # Randomize the order test cases are executed.
+  config.active_support.test_order = :random
+
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
index 8e6e91e7c..07bbd08c4 100644
--- a/config/initializers/assets.rb
+++ b/config/initializers/assets.rb
@@ -1 +1,11 @@
-Rails.application.config.assets.precompile += %w( stupidtable.js ugoira_player.js )
\ No newline at end of file
+# Be sure to restart your server when you modify this file.
+
+# Version of your assets, change this if you want to expire all your assets.
+Rails.application.config.assets.version = '1.0'
+
+# Add additional assets to the asset load path
+# Rails.application.config.assets.paths << Emoji.images_path
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in app/assets folder are already added.
+Rails.application.config.assets.precompile += %w( *.png *.jpg *.gif )
diff --git a/config/initializers/cookies_serializer.rb b/config/initializers/cookies_serializer.rb
index 7a06a89f0..7f70458de 100644
--- a/config/initializers/cookies_serializer.rb
+++ b/config/initializers/cookies_serializer.rb
@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.action_dispatch.cookies_serializer = :json
\ No newline at end of file
+Rails.application.config.action_dispatch.cookies_serializer = :json
diff --git a/config/initializers/wrap_parameters.rb b/config/initializers/wrap_parameters.rb
index 007c0deff..a7b1b91d6 100644
--- a/config/initializers/wrap_parameters.rb
+++ b/config/initializers/wrap_parameters.rb
@@ -10,5 +10,5 @@ end
 
 # To enable root element in JSON for ActiveRecord objects.
 ActiveSupport.on_load(:active_record) do
-  self.include_root_in_json = false
+  self.include_root_in_json = true
 end