diff --git a/Gemfile b/Gemfile
index 1b99d57..7633eff 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,9 +10,9 @@ end
 gem 'dotenv-rails', require: 'dotenv/rails-now'
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '~> 5.2'
+gem 'rails', '~> 6'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3', '~> 1.3.6'
+gem 'sqlite3'
 # Use Puma as the app server
 gem 'puma', '~> 3.7'
 # Use SCSS for stylesheets
diff --git a/Gemfile.lock b/Gemfile.lock
index c4e2083..5a5c55d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,69 +1,82 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.3)
-      actionpack (= 5.2.3)
+    actioncable (6.0.0)
+      actionpack (= 6.0.0)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
+    actionmailbox (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      mail (>= 2.7.1)
+    actionmailer (6.0.0)
+      actionpack (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.3)
-      actionview (= 5.2.3)
-      activesupport (= 5.2.3)
+    actionpack (6.0.0)
+      actionview (= 6.0.0)
+      activesupport (= 6.0.0)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.0, >= 1.2.0)
+    actiontext (6.0.0)
+      actionpack (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
+      nokogiri (>= 1.8.5)
+    actionview (6.0.0)
+      activesupport (= 6.0.0)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
-      rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.3)
-      activesupport (= 5.2.3)
+      rails-html-sanitizer (~> 1.1, >= 1.2.0)
+    activejob (6.0.0)
+      activesupport (= 6.0.0)
       globalid (>= 0.3.6)
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
-      arel (>= 9.0)
-    activestorage (5.2.3)
-      actionpack (= 5.2.3)
-      activerecord (= 5.2.3)
+    activemodel (6.0.0)
+      activesupport (= 6.0.0)
+    activerecord (6.0.0)
+      activemodel (= 6.0.0)
+      activesupport (= 6.0.0)
+    activestorage (6.0.0)
+      actionpack (= 6.0.0)
+      activejob (= 6.0.0)
+      activerecord (= 6.0.0)
       marcel (~> 0.3.1)
-    activesupport (5.2.3)
+    activesupport (6.0.0)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
+      zeitwerk (~> 2.1, >= 2.1.8)
     addressable (2.6.0)
       public_suffix (>= 2.0.2, < 4.0)
-    airbrussh (1.3.1)
+    airbrussh (1.3.3)
       sshkit (>= 1.6.1, != 1.7.0)
-    arel (9.0.0)
     ast (2.4.0)
-    autoprefixer-rails (9.6.1)
+    autoprefixer-rails (9.6.1.1)
       execjs
-    bcrypt (3.1.12)
-    bcrypt_pbkdf (1.0.0)
-    bindex (0.5.0)
+    bcrypt (3.1.13)
+    bcrypt_pbkdf (1.0.1)
+    bindex (0.8.1)
     bootstrap (4.3.1)
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.14.3, < 2)
       sassc-rails (>= 2.0.0)
     builder (3.2.3)
-    capistrano (3.11.0)
+    capistrano (3.11.1)
       airbrussh (>= 1.0.0)
       i18n
       rake (>= 10.0.0)
       sshkit (>= 1.9.0)
-    capistrano-bundler (1.5.0)
+    capistrano-bundler (1.6.0)
       capistrano (~> 3.1)
     capistrano-passenger (0.2.0)
       capistrano (~> 3.0)
@@ -80,30 +93,30 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (>= 2.0, < 4.0)
-    childprocess (0.9.0)
-      ffi (~> 1.0, >= 1.0.11)
+    childprocess (1.0.1)
+      rake (< 13.0)
     coderay (1.1.2)
     colorator (1.1.0)
-    commonmarker (0.18.2)
+    commonmarker (0.20.1)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.5)
     connection_pool (2.2.2)
     crass (1.0.4)
     database_cleaner (1.7.0)
-    devise (4.6.2)
+    devise (4.7.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 6.0)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    devise-i18n (1.8.0)
+    devise-i18n (1.8.1)
       devise (>= 4.6)
     devise_invitable (2.0.1)
       actionmailer (>= 5.0)
       devise (>= 4.6)
-    dotenv (2.7.2)
-    dotenv-rails (2.7.2)
-      dotenv (= 2.7.2)
+    dotenv (2.7.5)
+    dotenv-rails (2.7.5)
+      dotenv (= 2.7.5)
       railties (>= 3.2, < 6.1)
     ed25519 (1.2.4)
     em-websocket (0.5.1)
@@ -114,9 +127,9 @@ GEM
       simpleidn
     erubi (1.8.0)
     eventmachine (1.2.7)
-    exception_notification (4.3.0)
-      actionmailer (>= 4.0, < 6)
-      activesupport (>= 4.0, < 6)
+    exception_notification (4.4.0)
+      actionmailer (>= 4.0, < 7)
+      activesupport (>= 4.0, < 7)
     execjs (2.7.0)
     factory_bot (5.0.2)
       activesupport (>= 4.2.0)
@@ -124,8 +137,8 @@ GEM
       factory_bot (~> 5.0.2)
       railties (>= 4.2.0)
     ffi (1.11.1)
-    font-awesome-rails (4.7.0.4)
-      railties (>= 3.2, < 6.0)
+    font-awesome-rails (4.7.0.5)
+      railties (>= 3.2, < 6.1)
     forwardable-extended (2.6.0)
     friendly_id (5.2.5)
       activerecord (>= 4.0.0)
@@ -136,7 +149,7 @@ GEM
       tilt
     haml-lint (0.999.999)
       haml_lint
-    haml_lint (0.32.0)
+    haml_lint (0.33.0)
       haml (>= 4.0, < 5.2)
       rainbow
       rake (>= 10, < 13)
@@ -153,37 +166,40 @@ GEM
       railties (>= 4.0.1)
     hiredis (0.6.3)
     http_parser.rb (0.6.0)
-    i18n (0.9.5)
+    i18n (1.6.0)
       concurrent-ruby (~> 1.0)
-    image_processing (1.9.1)
-      mini_magick (>= 4.9.3, < 5)
+    image_processing (1.9.3)
+      mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.13, < 3)
     jaro_winkler (1.5.3)
-    jbuilder (2.8.0)
+    jbuilder (2.9.1)
       activesupport (>= 4.2.0)
-      multi_json (>= 1.2)
-    jekyll (3.8.5)
+    jekyll (4.0.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
-      i18n (~> 0.7)
-      jekyll-sass-converter (~> 1.0)
+      i18n (>= 0.9.5, < 2)
+      jekyll-sass-converter (~> 2.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 1.14)
+      kramdown (~> 2.1)
+      kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
       mercenary (~> 0.3.3)
       pathutil (~> 0.9)
-      rouge (>= 1.7, < 4)
+      rouge (~> 3.0)
       safe_yaml (~> 1.0)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
+      terminal-table (~> 1.8)
+    jekyll-sass-converter (2.0.0)
+      sassc (> 2.0.1, < 3.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jquery-rails (4.3.3)
+    jquery-rails (4.3.5)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    kramdown (1.17.0)
+    kramdown (2.1.0)
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
     launchy (2.4.3)
       addressable (~> 2.3)
     letter_opener (1.7.0)
@@ -203,19 +219,18 @@ GEM
     mercenary (0.3.6)
     method_source (0.9.2)
     mimemagic (0.3.3)
-    mini_magick (4.9.4)
-    mini_mime (1.0.1)
+    mini_magick (4.9.5)
+    mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.11.3)
     mobility (0.8.7)
       i18n (>= 0.6.10, < 2)
       request_store (~> 1.0)
-    multi_json (1.13.1)
     net-scp (2.0.0)
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (5.2.0)
     netaddr (2.0.3)
-    nio4r (2.3.1)
+    nio4r (2.5.1)
     nokogiri (1.10.4)
       mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
@@ -228,44 +243,46 @@ GEM
     pry (0.12.2)
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
-    public_suffix (3.0.3)
+    public_suffix (3.1.1)
     puma (3.12.1)
-    pundit (2.0.1)
+    pundit (2.1.0)
       activesupport (>= 3.0.0)
-    rack (2.0.6)
-    rack-protection (2.0.5)
+    rack (2.0.7)
+    rack-protection (2.0.7)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.3)
-      actioncable (= 5.2.3)
-      actionmailer (= 5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
-      activemodel (= 5.2.3)
-      activerecord (= 5.2.3)
-      activestorage (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails (6.0.0)
+      actioncable (= 6.0.0)
+      actionmailbox (= 6.0.0)
+      actionmailer (= 6.0.0)
+      actionpack (= 6.0.0)
+      actiontext (= 6.0.0)
+      actionview (= 6.0.0)
+      activejob (= 6.0.0)
+      activemodel (= 6.0.0)
+      activerecord (= 6.0.0)
+      activestorage (= 6.0.0)
+      activesupport (= 6.0.0)
       bundler (>= 1.3.0)
-      railties (= 5.2.3)
+      railties (= 6.0.0)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
+    rails-html-sanitizer (1.2.0)
       loofah (~> 2.2, >= 2.2.2)
-    rails-i18n (5.1.3)
+    rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
-      railties (>= 5.0, < 6)
+      railties (>= 6.0.0, < 7)
     rails_warden (0.6.0)
       warden (>= 1.2.0)
-    railties (5.2.3)
-      actionpack (= 5.2.3)
-      activesupport (= 5.2.3)
+    railties (6.0.0)
+      actionpack (= 6.0.0)
+      activesupport (= 6.0.0)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.19.0, < 2.0)
+      thor (>= 0.20.3, < 2.0)
     rainbow (3.0.0)
     rake (12.3.3)
     rb-fsevent (0.10.3)
@@ -274,12 +291,12 @@ GEM
     rbnacl (4.0.2)
       ffi
     redis (4.1.2)
-    redis-actionpack (5.0.2)
-      actionpack (>= 4.0, < 6)
+    redis-actionpack (5.1.0)
+      actionpack (>= 4.0, < 7)
       redis-rack (>= 1, < 3)
       redis-store (>= 1.1.0, < 2)
-    redis-activesupport (5.0.7)
-      activesupport (>= 3, < 6)
+    redis-activesupport (5.2.0)
+      activesupport (>= 3, < 7)
       redis-store (>= 1.3, < 2)
     redis-rack (2.0.5)
       rack (>= 1.5, < 3)
@@ -295,7 +312,7 @@ GEM
     responders (3.0.0)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rouge (3.3.0)
+    rouge (3.9.0)
     rubocop (0.74.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
@@ -303,7 +320,7 @@ GEM
       rainbow (>= 2.2.2, < 4.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 1.7)
-    rubocop-rails (2.2.0)
+    rubocop-rails (2.3.1)
       rack (>= 1.1)
       rubocop (>= 0.72.0)
     ruby-enum (0.7.2)
@@ -312,31 +329,30 @@ GEM
     ruby-vips (2.0.14)
       ffi (~> 1.9)
     ruby_dep (1.5.0)
-    rubyzip (1.2.2)
-    rugged (0.28.2)
+    rubyzip (1.2.3)
+    rugged (0.28.3.1)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    sass-rails (5.0.7)
-      railties (>= 4.0.0, < 6)
+    sass-rails (5.1.0)
+      railties (>= 5.2.0)
       sass (~> 3.1)
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    sassc (2.0.1)
+    sassc (2.2.0)
       ffi (~> 1.9)
-      rake
     sassc-rails (2.1.2)
       railties (>= 4.0.0)
       sassc (>= 2.0)
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.141.0)
-      childprocess (~> 0.5)
+    selenium-webdriver (3.142.3)
+      childprocess (>= 0.5, < 2.0)
       rubyzip (~> 1.2, >= 1.2.2)
     sidekiq (5.2.7)
       connection_pool (~> 2.2, >= 2.2.2)
@@ -345,8 +361,7 @@ GEM
       redis (>= 3.3.5, < 5)
     simpleidn (0.1.1)
       unf (~> 0.1.4)
-    spring (2.0.2)
-      activesupport (>= 4.2)
+    spring (2.1.0)
     spring-watcher-listen (2.0.1)
       listen (>= 2.7, < 4.0)
       spring (>= 1.2, < 3.0)
@@ -357,8 +372,8 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    sqlite3 (1.3.13)
-    sshkit (1.18.2)
+    sqlite3 (1.4.1)
+    sshkit (1.20.0)
       net-scp (>= 1.1.2)
       net-ssh (>= 2.8.0)
     sysexits (1.2.0)
@@ -377,23 +392,24 @@ GEM
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.5)
+    unf_ext (0.0.7.6)
     unicode-display_width (1.6.0)
     validates_hostname (1.0.8)
       activerecord (>= 3.0)
       activesupport (>= 3.0)
     warden (1.2.8)
       rack (>= 2.0.6)
-    web-console (3.7.0)
-      actionview (>= 5.0)
-      activemodel (>= 5.0)
+    web-console (4.0.1)
+      actionview (>= 6.0.0)
+      activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
-      railties (>= 5.0)
-    websocket-driver (0.7.0)
+      railties (>= 6.0.0)
+    websocket-driver (0.7.1)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.3)
+    websocket-extensions (0.1.4)
     xpath (3.2.0)
       nokogiri (~> 1.8)
+    zeitwerk (2.1.9)
 
 PLATFORMS
   ruby
@@ -434,7 +450,7 @@ DEPENDENCIES
   pry
   puma (~> 3.7)
   pundit
-  rails (~> 5.2)
+  rails (~> 6)
   rails-i18n
   rails_warden
   rbnacl (< 5.0)
@@ -448,7 +464,7 @@ DEPENDENCIES
   sidekiq
   spring
   spring-watcher-listen (~> 2.0.0)
-  sqlite3 (~> 1.3.6)
+  sqlite3
   terminal-table
   turbolinks (~> 5)
   uglifier (>= 1.3.0)
diff --git a/app/models/metadata_image.rb b/app/models/metadata_image.rb
index 6f25ede..292f520 100644
--- a/app/models/metadata_image.rb
+++ b/app/models/metadata_image.rb
@@ -68,15 +68,14 @@ class MetadataImage < MetadataTemplate
   end
 
   # Almacena el archivo en el sitio y lo devuelve
-  # XXX: ActiveStorage devuelve un Array al guardar
   #
   # @return ActiveStorage::Attachment
   def static_file
     if uploaded?
       blob = ActiveStorage::Blob.find_by(key: key_from_path)
       @static_file ||= site.static_files.find_by(blob_id: blob.id)
-    else
-      @static_file ||= site.static_files.attach(value['path']).first
+    elsif site.static_files.attach(value['path'])
+      @static_file ||= site.static_files.last
     end
   end
 
diff --git a/app/services/site_service.rb b/app/services/site_service.rb
index c475b72..94bedbb 100644
--- a/app/services/site_service.rb
+++ b/app/services/site_service.rb
@@ -23,7 +23,7 @@ SiteService = Struct.new(:site, :usuarie, :params, keyword_init: true) do
   # Actualiza el sitio y guarda los cambios en la configuración
   def update
     I18n.with_locale(usuarie.try(:lang) || I18n.default_locale) do
-      site.update_attributes(params) &&
+      site.update(params) &&
         site.config.write &&
         commit_config(action: :update)
     end
diff --git a/bin/setup b/bin/setup
index 94fd4d7..2dc500e 100755
--- a/bin/setup
+++ b/bin/setup
@@ -1,6 +1,7 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
+
 require 'fileutils'
-include FileUtils
 
 # path to your application root.
 APP_ROOT = File.expand_path('..', __dir__)
@@ -9,24 +10,26 @@ 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.
+FileUtils.chdir APP_ROOT do
+  # This script is a way to setup or update your development environment
+  # automatically.  This script is idempotent, so that you can run it at
+  # anytime and get an expectable outcome.  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
+  # Install JavaScript dependencies
   # system('bin/yarn')
 
   # puts "\n== Copying sample files =="
   # unless File.exist?('config/database.yml')
-  #   cp 'config/database.yml.sample', 'config/database.yml'
+  #   FileUtils.cp 'config/database.yml.sample', 'config/database.yml'
   # end
 
   puts "\n== Preparing database =="
-  system! 'bin/rails db:setup'
+  system! 'bin/rails db:prepare'
 
   puts "\n== Removing old logs and tempfiles =="
   system! 'bin/rails log:clear tmp:clear'
diff --git a/config/application.rb b/config/application.rb
index ba77c0c..b2ec1fe 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -7,13 +7,15 @@ require 'rails'
 require 'active_model/railtie'
 require 'active_job/railtie'
 require 'active_record/railtie'
+require 'active_storage/engine'
 require 'action_controller/railtie'
 require 'action_mailer/railtie'
+require 'action_mailbox/engine'
+require 'action_text/engine'
 require 'action_view/railtie'
 # require "action_cable/engine"
 require 'sprockets/railtie'
 require 'rails/test_unit/railtie'
-require 'active_storage/engine'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -24,15 +26,15 @@ module Sutty
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails
     # version.
-    config.load_defaults 5.1
+    config.load_defaults 6.0
 
     # Settings in config/environments/* take precedence over those
-    # specified here.  Application configuration should go into files in
+    # specified here.  Application configuration can go into files in
     # config/initializers -- all .rb files in that directory are
-    # automatically loaded.
+    # automatically loaded after loading the framework and any gems in
+    # your application.
     config.action_dispatch
           .rescue_responses['Pundit::NotAuthorizedError'] = :forbidden
-    config.active_record.sqlite3.represent_boolean_as_integer = true
 
     config.active_storage.variant_processor = :vips
   end
diff --git a/config/environments/development.rb b/config/environments/development.rb
index 75351fd..5a47ac0 100644
--- a/config/environments/development.rb
+++ b/config/environments/development.rb
@@ -17,12 +17,13 @@ Rails.application.configure do
   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 = :redis_cache_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.seconds.to_i}"
+      'Cache-Control' => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -30,6 +31,10 @@ Rails.application.configure do
     config.cache_store = :null_store
   end
 
+  # Store uploaded files on the local file system (see
+  # config/storage.yml for options).
+  config.active_storage.service = :local
+
   # Don't care if the mailer can't send.
   config.action_mailer.raise_delivery_errors = false
 
@@ -41,20 +46,22 @@ Rails.application.configure do
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
-  # Debug mode disables concatenation and preprocessing of assets.  This
-  # option may cause significant delays in view rendering with a large
+  # Highlight code that triggered database queries in logs.
+  config.active_record.verbose_query_logs = true
+
+  # Debug mode disables concatenation and preprocessing of assets.
+  # This option may cause significant delays in view rendering with a large
   # number of complex assets.
   config.assets.debug = true
 
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
-  # Raises error for missing translations
+  # 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.
+  # 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
 
   config.action_mailer.perform_caching = false
@@ -62,6 +69,4 @@ Rails.application.configure do
   config.action_mailer.perform_deliveries = true
   config.action_mailer.default_url_options = { host: 'localhost',
                                                port: 3000 }
-
-  config.active_storage.service = :local
 end
diff --git a/config/environments/production.rb b/config/environments/production.rb
index ace39e7..8baa643 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -17,26 +17,22 @@ Rails.application.configure do
   config.consider_all_requests_local       = false
   config.action_controller.perform_caching = true
 
-  # Attempt to read encrypted secrets from `config/secrets.yml.enc`.
-  # Requires an encryption key in `ENV["RAILS_MASTER_KEY"]` or
-  # `config/secrets.yml.key`.
-  config.read_encrypted_secrets = true
+  # Ensures that a master key has been made available in either
+  # ENV["RAILS_MASTER_KEY"] or in config/master.key. This key is used to
+  # decrypt credentials (and other encrypted files).
+  config.require_master_key = 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
-  # config.assets.css_compressor = :sass
+  # Compress CSS using a preprocessor.
+  config.assets.css_compressor = :sass
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = false
 
-  # `config.assets.precompile` and `config.assets.version` have moved to
-  # config/initializers/assets.rb
-
   # Enable serving of images, stylesheets, and JavaScripts from an asset
   # server.
   # config.action_controller.asset_host = 'http://assets.example.com'
@@ -44,6 +40,10 @@ Rails.application.configure do
   # Specifies the header that your server uses for sending files.
   config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect'
 
+  # Store uploaded files on the local file system (see
+  # config/storage.yml for options).
+  config.active_storage.service = :local
+
   # Force all access to the app over SSL, use Strict-Transport-Security,
   # and use secure cookies.
   config.force_ssl = true
@@ -62,6 +62,7 @@ Rails.application.configure do
   # environment)
   config.active_job.queue_adapter     = :sidekiq
   config.active_job.queue_name_prefix = "sutty_#{Rails.env}"
+
   config.action_mailer.perform_caching = false
 
   # Ignore bad email addresses and do not raise email delivery errors.
@@ -83,7 +84,7 @@ Rails.application.configure do
   # Use a different logger for distributed setups.
   require 'syslog/logger'
   config.logger = ActiveSupport::TaggedLogging
-                  .new(Syslog::Logger.new('app-name'))
+                  .new(Syslog::Logger.new('sutty'))
 
   if ENV['RAILS_LOG_TO_STDOUT'].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
@@ -94,6 +95,30 @@ Rails.application.configure do
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
 
+  # Inserts middleware to perform automatic connection switching.
+  #
+  # The `database_selector` hash is used to pass options to the
+  # DatabaseSelector middleware. The `delay` is used to determine how
+  # long to wait after a write to send a subsequent read to the primary.
+  #
+  # The `database_resolver` class is used by the middleware to determine
+  # which database is appropriate to use based on the time delay.
+  #
+  # The `database_resolver_context` class is used by the middleware to
+  # set timestamps for the last write to the primary. The resolver uses
+  # the context class timestamps to determine how long to wait before
+  # reading from the replica.
+  #
+  # By default Rails will store a last write timestamp in the session.
+  # The DatabaseSelector middleware is designed as such you can define
+  # your own strategy for connection switching and pass that into the
+  # middleware through these configuration options.
+  # config.active_record.database_selector = { delay: 2.seconds }
+  # config.active_record.database_resolver =
+  # ActiveRecord::Middleware::DatabaseSelector::Resolver
+  # config.active_record.database_resolver_context =
+  # ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
+
   # Recibir por mail notificaciones de excepciones
   config.action_mailer.default_url_options = { host: ENV['SUTTY'] }
   config.action_mailer.perform_deliveries = true
@@ -107,5 +132,4 @@ Rails.application.configure do
                           sender_address: ENV['DEFAULT_FROM'],
                           exception_recipients: ENV['EXCEPTION_TO']
                         }
-  config.active_storage.service = :local
 end
diff --git a/config/environments/test.rb b/config/environments/test.rb
index 9c2c0a5..f333461 100644
--- a/config/environments/test.rb
+++ b/config/environments/test.rb
@@ -1,13 +1,15 @@
 # frozen_string_literal: true
 
+#
+# The test environment is used exclusively to run your application's
+# test suite. You never need to work with it otherwise. Remember that
+# your test database is "scratch space" for the test suite and is wiped
+# and recreated between test runs. Don't rely on the data there!
+
 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
-  # test suite. You never need to work with it otherwise. Remember that
-  # your test database is "scratch space" for the test suite and is wiped
-  # and recreated between test runs. Don't rely on the data there!
   config.cache_classes = true
 
   # Do not eager load code on boot. This avoids loading your whole
@@ -20,17 +22,22 @@ Rails.application.configure do
   # performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = { 'Cache-Control' => "public,
-                                        max-age=#{1.hour.seconds.to_i}" }
+                                        max-age=#{1.hour.to_i}" }
 
   # Show full error reports and disable caching.
   config.consider_all_requests_local       = true
   config.action_controller.perform_caching = false
+  config.cache_store = :null_store
 
   # Raise exceptions instead of rendering exception templates.
   config.action_dispatch.show_exceptions = false
 
   # 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.
@@ -43,7 +50,6 @@ Rails.application.configure do
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
-  # Raises error for missing translations
+  # Raises error for missing translations.
   # config.action_view.raise_on_missing_translations = true
-  config.active_storage.service = :test
 end
diff --git a/config/initializers/content_security_policy.rb b/config/initializers/content_security_policy.rb
new file mode 100644
index 0000000..cccb03c
--- /dev/null
+++ b/config/initializers/content_security_policy.rb
@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+# 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
+#   # If you are using webpack-dev-server then specify
+#   # webpack-dev-server host
+#   policy.connect_src :self, :https, "http://localhost:3035",
+#   "ws://localhost:3035" if Rails.env.development?
+
+#   # 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) }
+
+# Set the nonce only to specific directives
+# Rails.application.config.content_security_policy_nonce_directives =
+# %w(script-src)
+
+# 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/puma.rb b/config/puma.rb
index 4360a38..872346f 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -2,14 +2,16 @@
 
 # Puma can serve each request in a thread from an internal thread pool.
 # 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.
+# 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.
 #
 threads_count = ENV.fetch('RAILS_MAX_THREADS') { 1 }
 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 }
 
@@ -17,8 +19,8 @@ port        ENV.fetch('PORT') { 3000 }
 #
 environment ENV.fetch('RAILS_ENV') { 'development' }
 
-# Specifies the number of `workers` to boot in clustered mode.
-# Workers are forked webserver processes. If using threads and workers together
+# Specifies the number of `workers` to boot in clustered mode.  Workers
+# are forked webserver processes. If using threads and workers together
 # the concurrency of the application would be max `threads` * `workers`.
 # Workers do not work on JRuby or Windows (both of which do not support
 # processes).
@@ -28,31 +30,10 @@ workers ENV.fetch('WEB_CONCURRENCY') { 2 }
 # Use the `preload_app!` method when specifying a `workers` number.
 # This directive tells Puma to first boot the application and load code
 # before forking the application. This takes advantage of Copy On Write
-# process behavior so workers use less memory. If you use this option
-# you need to make sure to reconnect any threads in the `on_worker_boot`
-# block.
+# process behavior so workers use less memory.
 #
 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 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/spring.rb b/config/spring.rb
index b1293ae..81bdde5 100644
--- a/config/spring.rb
+++ b/config/spring.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+# Ignorar los sitios Jekyll
 # https://github.com/thoughtbot/ember-cli-rails/issues/479#issuecomment-241302961
 Spring::Watcher::Listen.class_eval do
   def base_directories
@@ -8,9 +9,9 @@ Spring::Watcher::Listen.class_eval do
   end
 end
 
-%w[
-  .ruby-version
-  .rbenv-vars
-  tmp/restart.txt
-  tmp/caching-dev.txt
-].each { |path| Spring.watch(path) }
+Spring.watch(
+  '.ruby-version',
+  '.rbenv-vars',
+  'tmp/restart.txt',
+  'tmp/caching-dev.txt'
+)
diff --git a/db/migrate/20190829163530_add_foreign_key_constraint_to_active_storage_attachments_for_blob_id.active_storage.rb b/db/migrate/20190829163530_add_foreign_key_constraint_to_active_storage_attachments_for_blob_id.active_storage.rb
new file mode 100644
index 0000000..3627396
--- /dev/null
+++ b/db/migrate/20190829163530_add_foreign_key_constraint_to_active_storage_attachments_for_blob_id.active_storage.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+# This migration comes from active_storage (originally 20180723000244)
+class AddForeignKeyConstraintToActiveStorageAttachmentsForBlobId < ActiveRecord::Migration[6.0]
+  def up
+    return if foreign_key_exists?(:active_storage_attachments, column: :blob_id)
+
+    return unless table_exists?(:active_storage_blobs)
+
+    add_foreign_key :active_storage_attachments,
+                    :active_storage_blobs, column: :blob_id
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 7f401cc..2821d1a 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -4,15 +4,15 @@
 # of editing this file, please use the migrations feature of Active Record to
 # incrementally modify your database, and then regenerate this schema definition.
 #
-# Note that this schema.rb definition is the authoritative source for your
-# database schema. If you need to create the application database on another
-# system, you should be using db:schema:load, not running all the migrations
-# from scratch. The latter is a flawed and unsustainable approach (the more migrations
-# you'll amass, the slower it'll run and the greater likelihood for issues).
+# This file is the source Rails uses to define your schema when running `rails
+# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20_190_820_225_238) do
+ActiveRecord::Schema.define(version: 20_190_829_163_530) do
   create_table 'active_storage_attachments', force: :cascade do |t|
     t.string 'name', null: false
     t.string 'record_type', null: false
@@ -161,4 +161,6 @@ ActiveRecord::Schema.define(version: 20_190_820_225_238) do
     t.index ['reset_password_token'], name: 'index_usuaries_on_reset_password_token', unique: true
     t.index ['unlock_token'], name: 'index_usuaries_on_unlock_token', unique: true
   end
+
+  add_foreign_key 'active_storage_attachments', 'active_storage_blobs', column: 'blob_id'
 end