diff --git a/Gemfile b/Gemfile
index fc0d620e..bbf4b98e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'https://rubygems.org'
 
-gem 'rails', '~> 5.0.0'
+gem 'rails', '~> 5.1.0'
 gem 'sass-rails', '~> 5.0'
 gem 'coffee-rails', '~> 4.2.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 4e19ff08..77a02317 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -3,53 +3,53 @@ GEM
   specs:
     RedCloth (4.3.2)
     aasm (3.4.0)
-    actioncable (5.0.7)
-      actionpack (= 5.0.7)
-      nio4r (>= 1.2, < 3.0)
+    actioncable (5.1.6)
+      actionpack (= 5.1.6)
+      nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.0.7)
-      actionpack (= 5.0.7)
-      actionview (= 5.0.7)
-      activejob (= 5.0.7)
+    actionmailer (5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.0.7)
-      actionview (= 5.0.7)
-      activesupport (= 5.0.7)
+    actionpack (5.1.6)
+      actionview (= 5.1.6)
+      activesupport (= 5.1.6)
       rack (~> 2.0)
-      rack-test (~> 0.6.3)
+      rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
     actionpack-xml_parser (2.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    actionview (5.0.7)
-      activesupport (= 5.0.7)
+    actionview (5.1.6)
+      activesupport (= 5.1.6)
       builder (~> 3.1)
-      erubis (~> 2.7.0)
+      erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.0.7)
-      activesupport (= 5.0.7)
+    activejob (5.1.6)
+      activesupport (= 5.1.6)
       globalid (>= 0.3.6)
-    activemodel (5.0.7)
-      activesupport (= 5.0.7)
+    activemodel (5.1.6)
+      activesupport (= 5.1.6)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.0.7)
-      activemodel (= 5.0.7)
-      activesupport (= 5.0.7)
-      arel (~> 7.0)
-    activesupport (5.0.7)
+    activerecord (5.1.6)
+      activemodel (= 5.1.6)
+      activesupport (= 5.1.6)
+      arel (~> 8.0)
+    activesupport (5.1.6)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
     acts_as_list (0.9.15)
       activerecord (>= 3.0)
-    arel (7.1.4)
+    arel (8.0.0)
     ast (2.4.0)
     autoprefixer-rails (8.6.5)
       execjs
@@ -79,7 +79,7 @@ GEM
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     docile (1.3.1)
-    erubis (2.7.0)
+    erubi (1.7.1)
     execjs (2.7.0)
     factory_bot (4.10.0)
       activesupport (>= 3.0.0)
@@ -92,7 +92,7 @@ GEM
     globalid (0.4.1)
       activesupport (>= 4.2.0)
     htmlentities (4.3.4)
-    i18n (1.1.0)
+    i18n (1.1.1)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.1)
     jquery-rails (4.3.3)
@@ -106,10 +106,10 @@ GEM
     loofah (2.2.3)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.7.0)
+    mail (2.7.1)
       mini_mime (>= 0.1.1)
     metaclass (0.0.4)
-    method_source (0.9.0)
+    method_source (0.9.1)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
@@ -122,7 +122,7 @@ GEM
       metaclass (~> 0.0.1)
     mysql2 (0.3.21)
     nio4r (2.3.1)
-    nokogiri (1.8.4)
+    nokogiri (1.8.5)
       mini_portile2 (~> 2.3.0)
     nokogumbo (1.5.0)
       nokogiri
@@ -142,19 +142,19 @@ GEM
       rack (>= 1.1, < 2.1)
     rack-mini-profiler (1.0.0)
       rack (>= 1.2.0)
-    rack-test (0.6.3)
-      rack (>= 1.0)
-    rails (5.0.7)
-      actioncable (= 5.0.7)
-      actionmailer (= 5.0.7)
-      actionpack (= 5.0.7)
-      actionview (= 5.0.7)
-      activejob (= 5.0.7)
-      activemodel (= 5.0.7)
-      activerecord (= 5.0.7)
-      activesupport (= 5.0.7)
+    rack-test (1.1.0)
+      rack (>= 1.0, < 3)
+    rails (5.1.6)
+      actioncable (= 5.1.6)
+      actionmailer (= 5.1.6)
+      actionpack (= 5.1.6)
+      actionview (= 5.1.6)
+      activejob (= 5.1.6)
+      activemodel (= 5.1.6)
+      activerecord (= 5.1.6)
+      activesupport (= 5.1.6)
       bundler (>= 1.3.0)
-      railties (= 5.0.7)
+      railties (= 5.1.6)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.2)
       actionpack (~> 5.x, >= 5.0.1)
@@ -167,9 +167,9 @@ GEM
       loofah (~> 2.2, >= 2.2.2)
     rails_autolink (1.1.6)
       rails (> 3.1)
-    railties (5.0.7)
-      actionpack (= 5.0.7)
-      activesupport (= 5.0.7)
+    railties (5.1.6)
+      actionpack (= 5.1.6)
+      activesupport (= 5.1.6)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
@@ -283,7 +283,7 @@ DEPENDENCIES
   puma (~> 3.0)
   rack-dev-mark
   rack-mini-profiler
-  rails (~> 5.0.0)
+  rails (~> 5.1.0)
   rails-controller-testing
   rails-dom-testing (~> 2.0.0)
   rails_autolink
diff --git a/bin/setup b/bin/setup
index e620b4da..ca842c11 100755
--- a/bin/setup
+++ b/bin/setup
@@ -18,6 +18,9 @@ chdir APP_ROOT do
   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'
diff --git a/bin/yarn b/bin/yarn
new file mode 100755
index 00000000..c2bacef8
--- /dev/null
+++ b/bin/yarn
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+VENDOR_PATH = File.expand_path('..', __dir__)
+Dir.chdir(VENDOR_PATH) do
+  begin
+    exec "yarnpkg #{ARGV.join(" ")}"
+  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 0670e0f4..f01c000d 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -11,6 +11,9 @@ SITE_CONFIG = YAML.load_file(File.join(File.dirname(__FILE__), 'site.yml'))
 
 module Tracksapp
   class Application < Rails::Application
+    # Initialize configuration defaults for originally generated Rails version.
+    config.load_defaults 5.1
+
     # 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/cable.yml b/config/cable.yml
index 0bbde6f7..e4e0c703 100644
--- a/config/cable.yml
+++ b/config/cable.yml
@@ -7,3 +7,4 @@ test:
 production:
   adapter: redis
   url: redis://localhost:6379/1
+  channel_prefix: tracksapp_production
diff --git a/config/environments/development.rb b/config/environments/development.rb
index e2a0f9e6..b6481be2 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -18,7 +18,7 @@ Rails.application.configure do
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => 'public, max-age=172800'
+      'Cache-Control' => "public, max-age=#{2.days.seconds.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -49,4 +49,8 @@ Rails.application.configure do
 
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
+
+  # Use an evented file watcher to asynchronously detect changes in source code,
+  # routes, locales, etc. This feature depends on the listen gem.
+  config.file_watcher = ActiveSupport::EventedFileUpdateChecker
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index 18d944c8..7bbd6a34 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -78,7 +78,7 @@ Rails.application.configure do
   if ENV["RAILS_LOG_TO_STDOUT"].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
     logger.formatter = config.log_formatter
-    config.logger = ActiveSupport::TaggedLogging.new(logger)
+    config.logger    = ActiveSupport::TaggedLogging.new(logger)
   end
 
   # Do not dump schema after migrations.
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 30587ef6..8e5cbde5 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -15,7 +15,7 @@ Rails.application.configure do
   # 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=3600'
+    'Cache-Control' => "public, max-age=#{1.hour.seconds.to_i}"
   }
 
   # Show full error reports and disable caching.
diff --git a/config/initializers/assets.rb b/config/initializers/assets.rb
index 88710d27..fdadc96a 100644
--- a/config/initializers/assets.rb
+++ b/config/initializers/assets.rb
@@ -3,11 +3,14 @@
 # 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
+# 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 app/assets folder are already added.
+# application.js, application.css, and all non-JS/CSS in the app/assets
+# folder are already added.
 Rails.application.config.assets.precompile += %w( print.css mobile.css jquery-ui/datepicker-*.js swf_fu.js )
 
 # add /app/assets/swfs to asset pipeline for charts
diff --git a/config/initializers/new_framework_defaults_5_1.rb b/config/initializers/new_framework_defaults_5_1.rb
new file mode 100644
index 00000000..9010abd5
--- /dev/null
+++ b/config/initializers/new_framework_defaults_5_1.rb
@@ -0,0 +1,14 @@
+# Be sure to restart your server when you modify this file.
+#
+# This file contains migration options to ease your Rails 5.1 upgrade.
+#
+# Once upgraded flip defaults one by one to migrate to the new default.
+#
+# Read the Guide for Upgrading Ruby on Rails for more info on each option.
+
+# Make `form_with` generate non-remote forms.
+Rails.application.config.action_view.form_with_generates_remote_forms = false
+
+# Unknown asset fallback will return the path passed in when the given
+# asset is not present in the asset pipeline.
+# Rails.application.config.assets.unknown_asset_fallback = false
diff --git a/config/puma.rb b/config/puma.rb
index c7f311f8..1e19380d 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -1,13 +1,13 @@
 # Puma can serve each request in a thread from an internal thread pool.
-# The `threads` method setting takes two numbers a minimum and maximum.
+# The `threads` method setting takes two numbers: a minimum and maximum.
 # Any libraries that use thread pools should be configured to match
 # the maximum value specified for Puma. Default is set to 5 threads for minimum
-# and maximum, this matches the default thread size of Active Record.
+# and maximum; this matches the default thread size of Active Record.
 #
-threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }.to_i
+threads_count = ENV.fetch("RAILS_MAX_THREADS") { 5 }
 threads threads_count, threads_count
 
-# Specifies the `port` that Puma will listen on to receive requests, default is 3000.
+# Specifies the `port` that Puma will listen on to receive requests; default is 3000.
 #
 port        ENV.fetch("PORT") { 3000 }
 
@@ -32,16 +32,25 @@ environment ENV.fetch("RAILS_ENV") { "development" }
 #
 # preload_app!
 
+# If you are preloading your application and using Active Record, it's
+# recommended that you close any connections to the database before workers
+# are forked to prevent connection leakage.
+#
+# before_fork do
+#   ActiveRecord::Base.connection_pool.disconnect! if defined?(ActiveRecord)
+# end
+
 # The code in the `on_worker_boot` will be called if you are using
 # clustered mode by specifying a number of `workers`. After each worker
-# process is booted this block will be run, if you are using `preload_app!`
-# option you will want to use this block to reconnect to any threads
-# or connections that may have been created at application boot, Ruby
+# process is booted, this block will be run. If you are using the `preload_app!`
+# option, you will want to use this block to reconnect to any threads
+# or connections that may have been created at application boot, as Ruby
 # cannot share connections between processes.
 #
 # on_worker_boot do
 #   ActiveRecord::Base.establish_connection if defined?(ActiveRecord)
 # end
+#
 
 # Allow puma to be restarted by `rails restart` command.
 plugin :tmp_restart
diff --git a/config/secrets.yml b/config/secrets.yml
index a54d650f..c2dfb2e5 100644
--- a/config/secrets.yml
+++ b/config/secrets.yml
@@ -10,13 +10,23 @@
 # Make sure the secrets in this file are kept private
 # if you're sharing your code publicly.
 
+# Shared secrets are available across all environments.
+
+# shared:
+#   api_key: a1B2c3D4e5F6
+
+# Environmental secrets are only available for that specific environment.
+
 development:
   secret_key_base: <%= SITE_CONFIG["secret_token"] || SecureRandom.hex(64) %>
  
 test:
   secret_key_base: <%= SITE_CONFIG["secret_token"] || SecureRandom.hex(64) %>
  
-# Do not keep production secrets in the repository,
-# instead read values from the environment.
+# Do not keep production secrets in the unencrypted secrets file.
+# Instead, either read values from the environment.
+# Or, use `bin/rails secrets:setup` to configure encrypted secrets
+# and move the `production:` environment over there.
+
 production:
   secret_key_base: <%= SITE_CONFIG["secret_token"] || SecureRandom.hex(64) %>