diff --git a/Gemfile b/Gemfile
index e039f7f6..ff48cc06 100644
--- a/Gemfile
+++ b/Gemfile
@@ -67,6 +67,9 @@ gem 'mail', '~> 2.7', '>= 2.7.1', '< 2.8'
 # TODO: Review our use of content_tag_for etc and uninstall this!
 gem 'record_tag_helper', '~> 1.0'
 
+# Reduces boot times through caching; required in config/boot.rb
+gem 'bootsnap', require: false
+
 # For deployment.
 group :development do
   gem 'capistrano', '~> 2.15.5', require: false
diff --git a/Gemfile.lock b/Gemfile.lock
index e0a16c23..e520c0bd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,6 +57,8 @@ GEM
     bcrypt (3.1.19)
     binding_of_caller (1.0.0)
       debug_inspector (>= 0.0.1)
+    bootsnap (1.12.0)
+      msgpack (~> 1.2)
     builder (3.2.4)
     capistrano (2.15.5)
       highline
@@ -260,6 +262,7 @@ PLATFORMS
 
 DEPENDENCIES
   RocketAMF!
+  bootsnap
   capistrano (~> 2.15.5)
   compass-rails (~> 3.1)
   devise (~> 4.9, >= 4.9.2)
diff --git a/bin/setup b/bin/setup
new file mode 100755
index 00000000..94fd4d79
--- /dev/null
+++ b/bin/setup
@@ -0,0 +1,36 @@
+#!/usr/bin/env ruby
+require 'fileutils'
+include FileUtils
+
+# path to your application root.
+APP_ROOT = File.expand_path('..', __dir__)
+
+def system!(*args)
+  system(*args) || abort("\n== Command #{args} failed ==")
+end
+
+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') || system!('bundle install')
+
+  # Install JavaScript dependencies if using Yarn
+  # system('bin/yarn')
+
+  # puts "\n== Copying sample files =="
+  # unless File.exist?('config/database.yml')
+  #   cp 'config/database.yml.sample', 'config/database.yml'
+  # end
+
+  puts "\n== Preparing database =="
+  system! 'bin/rails db:setup'
+
+  puts "\n== Removing old logs and tempfiles =="
+  system! 'bin/rails log:clear tmp:clear'
+
+  puts "\n== Restarting application server =="
+  system! 'bin/rails restart'
+end
diff --git a/bin/update b/bin/update
new file mode 100755
index 00000000..58bfaed5
--- /dev/null
+++ b/bin/update
@@ -0,0 +1,31 @@
+#!/usr/bin/env ruby
+require 'fileutils'
+include FileUtils
+
+# path to your application root.
+APP_ROOT = File.expand_path('..', __dir__)
+
+def system!(*args)
+  system(*args) || abort("\n== Command #{args} failed ==")
+end
+
+chdir APP_ROOT do
+  # This script is a way to update your development environment automatically.
+  # Add necessary update steps to this file.
+
+  puts '== Installing dependencies =='
+  system! 'gem install bundler --conservative'
+  system('bundle check') || system!('bundle install')
+
+  # Install JavaScript dependencies if using Yarn
+  # system('bin/yarn')
+
+  puts "\n== Updating database =="
+  system! 'bin/rails db:migrate'
+
+  puts "\n== Removing old logs and tempfiles =="
+  system! 'bin/rails log:clear tmp:clear'
+
+  puts "\n== Restarting application server =="
+  system! 'bin/rails restart'
+end
diff --git a/bin/yarn b/bin/yarn
new file mode 100755
index 00000000..460dd565
--- /dev/null
+++ b/bin/yarn
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+APP_ROOT = File.expand_path('..', __dir__)
+Dir.chdir(APP_ROOT) do
+  begin
+    exec "yarnpkg", *ARGV
+  rescue Errno::ENOENT
+    $stderr.puts "Yarn executable was not detected in the system."
+    $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
+    exit 1
+  end
+end
diff --git a/config/application.rb b/config/application.rb
index 57c8e73d..f73b5abd 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -8,6 +8,9 @@ Bundler.require(*Rails.groups)
 
 module OpenneoImpressItems
   class Application < Rails::Application
+    # Initialize configuration defaults for originally generated Rails version.
+    config.load_defaults 5.0
+
     # Settings in config/environments/* take precedence over those specified here.
     # Application configuration should go into files in config/initializers
     # -- all .rb files in that directory are automatically loaded.
diff --git a/config/boot.rb b/config/boot.rb
index 5e5f0c1f..b9e460ce 100644
--- a/config/boot.rb
+++ b/config/boot.rb
@@ -1,4 +1,4 @@
-# Set up gems listed in the Gemfile.
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../../Gemfile', __FILE__)
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
 
-require 'bundler/setup' if File.exist?(ENV['BUNDLE_GEMFILE'])
+require 'bundler/setup' # Set up gems listed in the Gemfile.
+require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
diff --git a/config/cable.yml b/config/cable.yml
new file mode 100644
index 00000000..0a32d945
--- /dev/null
+++ b/config/cable.yml
@@ -0,0 +1,10 @@
+development:
+  adapter: async
+
+test:
+  adapter: async
+
+production:
+  adapter: redis
+  url: <%= ENV.fetch("REDIS_URL") { "redis://localhost:6379/1" } %>
+  channel_prefix: openneo_impress_items_production
diff --git a/config/environment.rb b/config/environment.rb
index ca30041b..426333bb 100644
--- a/config/environment.rb
+++ b/config/environment.rb
@@ -1,5 +1,5 @@
 # Load the Rails application.
-require File.expand_path('../application', __FILE__)
+require_relative 'application'
 
 # Initialize the Rails application.
-OpenneoImpressItems::Application.initialize!
+Rails.application.initialize!
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 4aef6ba6..14498c13 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -1,5 +1,5 @@
-OpenneoImpressItems::Application.configure do
-  # Settings specified here will take precedence over those in config/application.rb
+Rails.application.configure do
+  # Settings specified here will take precedence over those in config/application.rb.
 
   # In the development environment your application's code is reloaded on
   # every request. This slows down response time but is perfect for development
@@ -9,15 +9,29 @@ OpenneoImpressItems::Application.configure do
   # Do not eager load code on boot.
   config.eager_load = false
 
-  # Show full error reports and disable caching.
-  # NOTE: We have caching on in development, to make it easier to test it!
-  config.consider_all_requests_local       = true
-  config.action_controller.perform_caching = true
+  # Show full error reports.
+  config.consider_all_requests_local = true
+  
+  # Enable/disable caching. By default caching is disabled.
+  # Run rails dev:cache to toggle caching.
+  if Rails.root.join('tmp', 'caching-dev.txt').exist?
+    config.action_controller.perform_caching = true
+
+    config.cache_store = :memory_store
+    config.public_file_server.headers = {
+      'Cache-Control' => "public, max-age=#{2.days.to_i}"
+    }
+  else
+    config.action_controller.perform_caching = false
+
+    config.cache_store = :null_store
+  end
 
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
   config.action_mailer.default_url_options = {host: "impress.dev.openneo.net"}
   config.action_mailer.delivery_method = :letter_opener
+  config.action_mailer.perform_caching = false
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
@@ -30,6 +44,12 @@ OpenneoImpressItems::Application.configure do
   # number of complex assets.
   config.assets.debug = true
 
+  # Highlight code that triggered database queries in logs.
+  config.active_record.verbose_query_logs = true
+
+  # Suppress logger output for asset requests.
+  config.assets.quiet = true
+
   config.react.variant = :development
 
   # Fix file reloading in a Vagrant environment.
diff --git a/config/environments/production.rb b/config/environments/production.rb
index bc014fc3..bec9a666 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -1,10 +1,16 @@
 OpenneoImpressItems::Application.configure do
-  # Settings specified here will take precedence over those in config/application.rb
+  # Settings specified here will take precedence over those in config/application.rb.
 
-  # Code is not reloaded between requests
+  # Code is not reloaded between requests.
   config.cache_classes = true
 
-  # Full error reports are disabled and caching is turned on
+  # Eager load code on boot. This eager loads most of Rails and
+  # your application in memory, allowing both threaded web servers
+  # and those relying on copy on write to perform better.
+  # Rake tasks automatically ignore this option for performance.
+  config.eager_load = true
+
+  # Full error reports are disabled and caching is turned on.
   config.consider_all_requests_local       = false
   config.action_controller.perform_caching = true
 
@@ -41,8 +47,12 @@ OpenneoImpressItems::Application.configure do
   
   config.active_support.deprecation = :log
 
-  # Compress JavaScripts and CSS
-  config.assets.compress = true
+  # Disable serving static files from the `/public` folder by default since
+  # Apache or NGINX already handles this.
+  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+
+  # Compress JavaScripts and CSS.
+  config.assets.js_compressor = :uglifier
    
   # Don't fallback to assets pipeline if a precompiled asset is missed
   config.assets.compile = false
@@ -59,6 +69,13 @@ OpenneoImpressItems::Application.configure do
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   # config.force_ssl = true
 
+  # Use the lowest log level to ensure availability of diagnostic information
+  # when problems arise.
+  config.log_level = :debug
+
+  # Prepend all log lines with the following tags.
+  config.log_tags = [ :request_id ]
+
   config.react.variant = :production
 
   config.action_mailer.default_url_options = {host: "impress.openneo.net"}
@@ -75,9 +92,26 @@ OpenneoImpressItems::Application.configure do
   }
   config.action_mailer.raise_delivery_errors = true
   config.action_mailer.perform_deliveries = true
+  config.action_mailer.perform_caching = false
+
+  # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
+  # the I18n.default_locale when a translation cannot be found).
+  config.i18n.fallbacks = true
+
+  # Send deprecation notices to registered listeners.
+  config.active_support.deprecation = :notify
 
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
+
+  if ENV["RAILS_LOG_TO_STDOUT"].present?
+    logger           = ActiveSupport::Logger.new(STDOUT)
+    logger.formatter = config.log_formatter
+    config.logger    = ActiveSupport::TaggedLogging.new(logger)
+  end
+
+  # Do not dump schema after migrations.
+  config.active_record.dump_schema_after_migration = false
 end
 
 LocalImpressHost = 'newimpress.openneo.net'
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 74450ac2..0a38fd3c 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -1,4 +1,4 @@
-OpenneoImpressItems::Application.configure do
+Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
   # The test environment is used exclusively to run your application's
@@ -12,9 +12,11 @@ OpenneoImpressItems::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_assets  = true
-  config.static_cache_control = "public, max-age=3600"
+  # Configure public file server for tests with Cache-Control for performance.
+  config.public_file_server.enabled = true
+  config.public_file_server.headers = {
+    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+  }
 
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
@@ -26,6 +28,11 @@ OpenneoImpressItems::Application.configure do
   # Disable request forgery protection in test environment.
   config.action_controller.allow_forgery_protection = false
 
+  # Store uploaded files on the local file system in a temporary directory
+  config.active_storage.service = :test
+
+  config.action_mailer.perform_caching = false
+
   # Tell Action Mailer not to deliver emails to the real world.
   # The :test delivery method accumulates sent emails in the
   # ActionMailer::Base.deliveries array.
diff --git a/config/initializers/application_controller_renderer.rb b/config/initializers/application_controller_renderer.rb
new file mode 100644
index 00000000..89d2efab
--- /dev/null
+++ b/config/initializers/application_controller_renderer.rb
@@ -0,0 +1,8 @@
+# Be sure to restart your server when you modify this file.
+
+# ActiveSupport::Reloader.to_prepare do
+#   ApplicationController.renderer.defaults.merge!(
+#     http_host: 'example.org',
+#     https: false
+#   )
+# end
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
new file mode 100644
index 00000000..4b828e80
--- /dev/null
+++ b/config/initializers/assets.rb
@@ -0,0 +1,14 @@
+# 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
+# Add Yarn node_modules folder to the asset load path.
+Rails.application.config.assets.paths << Rails.root.join('node_modules')
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in the app/assets
+# folder are already added.
+# Rails.application.config.assets.precompile += %w( admin.js admin.css )
diff --git a/config/initializers/backtrace_silencers.rb b/config/initializers/backtrace_silencers.rb
new file mode 100644
index 00000000..59385cdf
--- /dev/null
+++ b/config/initializers/backtrace_silencers.rb
@@ -0,0 +1,7 @@
+# Be sure to restart your server when you modify this file.
+
+# You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
+# Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+
+# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
+# Rails.backtrace_cleaner.remove_silencers!
diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
new file mode 100644
index 00000000..d3bcaa5e
--- /dev/null
+++ b/config/initializers/content_security_policy.rb
@@ -0,0 +1,25 @@
+# Be sure to restart your server when you modify this file.
+
+# Define an application-wide content security policy
+# For further information see the following documentation
+# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
+
+# Rails.application.config.content_security_policy do |policy|
+#   policy.default_src :self, :https
+#   policy.font_src    :self, :https, :data
+#   policy.img_src     :self, :https, :data
+#   policy.object_src  :none
+#   policy.script_src  :self, :https
+#   policy.style_src   :self, :https
+
+#   # Specify URI for violation reports
+#   # policy.report_uri "/csp-violation-report-endpoint"
+# end
+
+# If you are using UJS then enable automatic nonce generation
+# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
+
+# Report CSP violations to a specified URI
+# For further information see the following documentation:
+# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
+# Rails.application.config.content_security_policy_report_only = true
diff --git a/config/initializers/cookies_serializer.rb b/config/initializers/cookies_serializer.rb
new file mode 100644
index 00000000..1389e86a
--- /dev/null
+++ b/config/initializers/cookies_serializer.rb
@@ -0,0 +1,5 @@
+# Be sure to restart your server when you modify this file.
+
+# Specify a serializer for the signed and encrypted cookie jars.
+# Valid options are :json, :marshal, and :hybrid.
+Rails.application.config.action_dispatch.cookies_serializer = :marshal
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
new file mode 100644
index 00000000..ac033bf9
--- /dev/null
+++ b/config/initializers/inflections.rb
@@ -0,0 +1,16 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new inflection rules using the following format. Inflections
+# are locale specific, and you may define rules for as many different
+# locales as you wish. All of these examples are active by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.plural /^(ox)$/i, '\1en'
+#   inflect.singular /^(ox)en/i, '\1'
+#   inflect.irregular 'person', 'people'
+#   inflect.uncountable %w( fish sheep )
+# end
+
+# These inflection rules are supported but not enabled by default:
+# ActiveSupport::Inflector.inflections(:en) do |inflect|
+#   inflect.acronym 'RESTful'
+# end
diff --git a/config/initializers/mime_types.rb b/config/initializers/mime_types.rb
new file mode 100644
index 00000000..dc189968
--- /dev/null
+++ b/config/initializers/mime_types.rb
@@ -0,0 +1,4 @@
+# Be sure to restart your server when you modify this file.
+
+# Add new mime types for use in respond_to blocks:
+# Mime::Type.register "text/richtext", :rtf
diff --git a/config/initializers/wrap_parameters.rb b/config/initializers/wrap_parameters.rb
index 33725e95..bbfc3961 100644
--- a/config/initializers/wrap_parameters.rb
+++ b/config/initializers/wrap_parameters.rb
@@ -5,10 +5,10 @@
 
 # Enable parameter wrapping for JSON. You can disable this by setting :format to an empty array.
 ActiveSupport.on_load(:action_controller) do
-  wrap_parameters format: [:json] if respond_to?(:wrap_parameters)
+  wrap_parameters format: [:json]
 end
 
 # To enable root element in JSON for ActiveRecord objects.
 # ActiveSupport.on_load(:active_record) do
-#  self.include_root_in_json = true
+#   self.include_root_in_json = true
 # end
diff --git a/config/storage.yml b/config/storage.yml
new file mode 100644
index 00000000..d32f76e8
--- /dev/null
+++ b/config/storage.yml
@@ -0,0 +1,34 @@
+test:
+  service: Disk
+  root: <%= Rails.root.join("tmp/storage") %>
+
+local:
+  service: Disk
+  root: <%= Rails.root.join("storage") %>
+
+# Use rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
+# amazon:
+#   service: S3
+#   access_key_id: <%= Rails.application.credentials.dig(:aws, :access_key_id) %>
+#   secret_access_key: <%= Rails.application.credentials.dig(:aws, :secret_access_key) %>
+#   region: us-east-1
+#   bucket: your_own_bucket
+
+# Remember not to checkin your GCS keyfile to a repository
+# google:
+#   service: GCS
+#   project: your_project
+#   credentials: <%= Rails.root.join("path/to/gcs.keyfile") %>
+#   bucket: your_own_bucket
+
+# Use rails credentials:edit to set the Azure Storage secret (as azure_storage:storage_access_key)
+# microsoft:
+#   service: AzureStorage
+#   storage_account_name: your_account_name
+#   storage_access_key: <%= Rails.application.credentials.dig(:azure_storage, :storage_access_key) %>
+#   container: your_container_name
+
+# mirror:
+#   service: Mirror
+#   primary: local
+#   mirrors: [ amazon, google, microsoft ]
diff --git a/vendor/cache/bootsnap-1.12.0.gem b/vendor/cache/bootsnap-1.12.0.gem
new file mode 100644
index 00000000..48f50b22
Binary files /dev/null and b/vendor/cache/bootsnap-1.12.0.gem differ