diff --git a/.env.example b/.env.example
index a1348593..fb086224 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,8 @@
+RAILS_GROUPS=assets
+DELEGATE=athshe.sutty.nl
+HAINISH=../haini.sh/haini.sh
 DATABASE=
-RAILS_ENV=
+RAILS_ENV=development
 IMAP_SERVER=
 DEFAULT_FROM=
 EXCEPTION_TO=
diff --git a/Dockerfile b/Dockerfile
index 0b3253b4..ee6ba871 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 # el mismo repositorio de trabajo.  Cuando tengamos CI/CD algunas cosas
 # como el tarball van a tener que cambiar porque ya vamos a haber hecho
 # un clone/pull limpio.
-FROM alpine:3.13.5 AS build
+FROM alpine:3.13.6 AS build
 MAINTAINER "f <f@sutty.nl>"
 
 ARG RAILS_MASTER_KEY
@@ -14,10 +14,10 @@ ENV SECRET_KEY_BASE solo_es_necesaria_para_correr_rake
 ENV RAILS_ENV production
 ENV RAILS_MASTER_KEY=$RAILS_MASTER_KEY
 
-RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-bundler ruby-json ruby-bigdecimal ruby-rake
+RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake
 RUN apk add --no-cache postgresql-libs git yarn brotli libssh2 python3
 
-RUN test "2.7.3" = `ruby -e 'puts RUBY_VERSION'`
+RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
 
 # https://github.com/rubygems/rubygems/issues/2918
 # https://gitlab.alpinelinux.org/alpine/aports/issues/10808
@@ -29,7 +29,7 @@ RUN cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch
 RUN addgroup -g 82 -S www-data
 RUN adduser -s /bin/sh -G www-data -h /home/app -D app
 RUN install -dm750 -o app -g www-data /home/app/sutty
-RUN gem install --no-document bundler
+RUN gem install --no-document bundler:2.1.4
 
 # Empezamos con la usuaria app
 USER app
@@ -39,7 +39,8 @@ WORKDIR /home/app/sutty
 # Copiamos solo el Gemfile para poder instalar las gemas necesarias
 COPY --chown=app:www-data ./Gemfile .
 COPY --chown=app:www-data ./Gemfile.lock .
-RUN bundle config set no-cache 'true'
+RUN bundle config set no-cache true
+RUN bundle config set specific_platform true
 RUN bundle install --path=./vendor --without='test development'
 # Vaciar la caché
 RUN rm vendor/ruby/2.7.0/cache/*.gem
@@ -60,10 +61,6 @@ RUN mv ../sutty/.bundle ./.bundle
 # Instalar secretos
 COPY --chown=app:root ./config/credentials.yml.enc ./config/
 
-# Eliminar la necesidad de un runtime JS en producción, porque los
-# assets ya están pre-compilados.
-RUN sed -re "/(sassc|uglifier|bootstrap|coffee-rails)/d" -i Gemfile
-RUN bundle clean
 RUN rm -rf ./node_modules ./tmp/cache ./.git ./test ./doc
 # Eliminar archivos innecesarios
 USER root
@@ -71,7 +68,7 @@ RUN apk add --no-cache findutils
 RUN find /home/app/checkout/vendor/ruby/2.7.0 -maxdepth 3 -type d -name test -o -name spec -o -name rubocop | xargs -r rm -rf
 
 # Contenedor final
-FROM sutty/monit:latest
+FROM registry.nulo.in/sutty/monit:3.13.6
 ENV RAILS_ENV production
 
 # Pandoc
@@ -79,13 +76,13 @@ RUN echo 'http://dl-cdn.alpinelinux.org/alpine/edge/testing' >> /etc/apk/reposit
 
 # Instalar las dependencias, separamos la librería de base de datos para
 # poder reutilizar este primer paso desde otros contenedores
-RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-bundler ruby-json ruby-bigdecimal ruby-rake ruby-irb
+RUN apk add --no-cache libxslt libxml2 tzdata ruby ruby-json ruby-bigdecimal ruby-rake ruby-irb ruby-io-console ruby-etc
 RUN apk add --no-cache postgresql-libs libssh2 file rsync git jpegoptim vips
 RUN apk add --no-cache ffmpeg imagemagick pandoc tectonic oxipng jemalloc
 RUN apk add --no-cache git-lfs openssh-client patch
 
 # Chequear que la versión de ruby sea la correcta
-RUN test "2.7.3" = `ruby -e 'puts RUBY_VERSION'`
+RUN test "2.7.4" = `ruby -e 'puts RUBY_VERSION'`
 
 # https://github.com/rubygems/rubygems/issues/2918
 # https://gitlab.alpinelinux.org/alpine/aports/issues/10808
@@ -97,7 +94,7 @@ RUN apk add --no-cache patch && cd /usr/lib/ruby/2.7.0 && patch -Np 0 -i /tmp/ru
 # principal
 RUN apk add --no-cache yarn
 # Instalar foreman para poder correr los servicios
-RUN gem install --no-document --no-user-install bundler foreman
+RUN gem install --no-document --no-user-install bundler:2.1.4 foreman
 
 # Agregar el grupo del servidor web y la usuaria
 RUN addgroup -g 82 -S www-data
diff --git a/Gemfile b/Gemfile
index 4256e307..2b304ee0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,13 +11,18 @@ gem 'dotenv-rails', require: 'dotenv/rails-now'
 gem 'rails', '~> 6'
 # Use Puma as the app server
 gem 'puma'
-# See https://github.com/rails/execjs#readme for more supported runtimes
-# gem 'therubyracer', platforms: :ruby
-# Use SCSS for stylesheets
-gem 'sassc-rails'
-# Use Uglifier as compressor for JavaScript assets
-gem 'uglifier', '>= 1.3.0'
-gem 'bootstrap', '~> 4'
+
+# Solo incluir las gemas cuando estemos en desarrollo o compilando los
+# assets.  No es necesario instalarlas en producción.
+#
+# XXX: Supuestamente Rails ya soporta RAILS_GROUPS, pero Bundler no.
+if ENV['RAILS_GROUPS']&.split(',')&.include? 'assets'
+  gem 'sassc-rails'
+  gem 'uglifier', '>= 1.3.0'
+  gem 'bootstrap', '~> 4'
+end
+
+gem 'nokogiri'
 
 # Turbolinks makes navigating your web application faster. Read more:
 # https://github.com/turbolinks/turbolinks
@@ -28,6 +33,7 @@ gem 'jbuilder', '~> 2.5'
 # Use ActiveModel has_secure_password
 gem 'bcrypt', '~> 3.1.7'
 gem 'blazer'
+gem 'chartkick'
 gem 'commonmarker'
 gem 'devise'
 gem 'devise-i18n'
@@ -58,6 +64,7 @@ gem 'rails-i18n'
 gem 'rails_warden'
 gem 'redis', require: %w[redis redis/connection/hiredis]
 gem 'redis-rails'
+gem 'rollups', git: 'https://github.com/ankane/rollup.git', branch: 'master'
 gem 'rubyzip'
 gem 'rugged'
 gem 'concurrent-ruby-ext'
@@ -67,6 +74,7 @@ gem 'terminal-table'
 gem 'validates_hostname'
 gem 'webpacker'
 gem 'yaml_db', git: 'https://0xacab.org/sutty/yaml_db.git'
+gem 'kaminari'
 
 # database
 gem 'hairtrigger'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8e7669f7..8df2d77e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,6 +6,15 @@ GIT
       rails (>= 3.0)
       rake (>= 0.8.7)
 
+GIT
+  remote: https://github.com/ankane/rollup.git
+  revision: 0ab6c603450175eb1004f7793e86486943cb9f72
+  branch: master
+  specs:
+    rollups (0.1.3)
+      activesupport (>= 5.1)
+      groupdate (>= 5.2)
+
 GIT
   remote: https://github.com/fauno/email_address
   revision: 536b51f7071b68a55140c0c1726b4cd401d1c04d
@@ -18,66 +27,66 @@ GIT
 GEM
   remote: https://gems.sutty.nl/
   specs:
-    actioncable (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actioncable (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      activejob (= 6.1.3.2)
-      activerecord (= 6.1.3.2)
-      activestorage (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actionmailbox (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      activejob (= 6.1.4.1)
+      activerecord (= 6.1.4.1)
+      activestorage (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       mail (>= 2.7.1)
-    actionmailer (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      actionview (= 6.1.3.2)
-      activejob (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actionmailer (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      actionview (= 6.1.4.1)
+      activejob (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (6.1.3.2)
-      actionview (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actionpack (6.1.4.1)
+      actionview (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       rack (~> 2.0, >= 2.0.9)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      activerecord (= 6.1.3.2)
-      activestorage (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actiontext (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      activerecord (= 6.1.4.1)
+      activestorage (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       nokogiri (>= 1.8.5)
-    actionview (6.1.3.2)
-      activesupport (= 6.1.3.2)
+    actionview (6.1.4.1)
+      activesupport (= 6.1.4.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.1.3.2)
-      activesupport (= 6.1.3.2)
+    activejob (6.1.4.1)
+      activesupport (= 6.1.4.1)
       globalid (>= 0.3.6)
-    activemodel (6.1.3.2)
-      activesupport (= 6.1.3.2)
-    activerecord (6.1.3.2)
-      activemodel (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
-    activestorage (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      activejob (= 6.1.3.2)
-      activerecord (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    activemodel (6.1.4.1)
+      activesupport (= 6.1.4.1)
+    activerecord (6.1.4.1)
+      activemodel (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
+    activestorage (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      activejob (= 6.1.4.1)
+      activerecord (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       marcel (~> 1.0.0)
-      mini_mime (~> 1.0.2)
-    activesupport (6.1.3.2)
+      mini_mime (>= 1.1.0)
+    activesupport (6.1.4.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 1.6, < 2)
       minitest (>= 5.1)
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     adhesiones-jekyll-theme (0.2.1)
       jekyll (~> 4.0)
@@ -89,13 +98,13 @@ GEM
       jekyll-relative-urls (~> 0.0)
       jekyll-seo-tag (~> 2.1)
     ast (2.4.2)
-    autoprefixer-rails (10.2.5.0)
-      execjs (< 2.8.0)
+    autoprefixer-rails (10.3.3.0)
+      execjs (~> 2)
     bcrypt (3.1.16-x86_64-linux-musl)
     bcrypt_pbkdf (1.1.0-x86_64-linux-musl)
-    benchmark-ips (2.8.4)
+    benchmark-ips (2.9.2)
     bindex (0.8.1-x86_64-linux-musl)
-    blazer (2.4.2)
+    blazer (2.4.7)
       activerecord (>= 5)
       chartkick (>= 3.2)
       railties (>= 5)
@@ -104,7 +113,7 @@ GEM
       autoprefixer-rails (>= 9.1.0)
       popper_js (>= 1.14.3, < 2)
       sassc-rails (>= 2.0.0)
-    brakeman (5.0.1)
+    brakeman (5.1.2)
     builder (3.2.4)
     capybara (2.18.0)
       addressable
@@ -113,15 +122,15 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (>= 2.0, < 4.0)
-    chartkick (4.0.4)
-    childprocess (3.0.0)
+    chartkick (4.1.2)
+    childprocess (4.1.0)
     coderay (1.1.3)
     colorator (1.1.0)
     commonmarker (0.21.2-x86_64-linux-musl)
       ruby-enum (~> 0.5)
-    concurrent-ruby (1.1.8)
-    concurrent-ruby-ext (1.1.8-x86_64-linux-musl)
-      concurrent-ruby (= 1.1.8)
+    concurrent-ruby (1.1.9)
+    concurrent-ruby-ext (1.1.9-x86_64-linux-musl)
+      concurrent-ruby (= 1.1.9)
     crass (1.0.6)
     database_cleaner (2.0.1)
       database_cleaner-active_record (~> 2.0.0)
@@ -129,8 +138,8 @@ GEM
       activerecord (>= 5.a)
       database_cleaner-core (~> 2.0.0)
     database_cleaner-core (2.0.1)
-    dead_end (1.1.7)
-    derailed_benchmarks (2.1.0)
+    dead_end (3.1.0)
+    derailed_benchmarks (2.1.1)
       benchmark-ips (~> 2)
       dead_end
       get_process_mem (~> 0)
@@ -148,8 +157,8 @@ GEM
       railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    devise-i18n (1.9.4)
-      devise (>= 4.7.1)
+    devise-i18n (1.10.1)
+      devise (>= 4.8.0)
     devise_invitable (2.0.5)
       actionmailer (>= 5.0)
       devise (>= 4.6)
@@ -157,8 +166,8 @@ GEM
     dotenv-rails (2.7.6)
       dotenv (= 2.7.6)
       railties (>= 3.2)
-    down (5.2.1)
-      addressable (~> 2.5)
+    down (5.2.4)
+      addressable (~> 2.8)
     ed25519 (1.2.4-x86_64-linux-musl)
     editorial-autogestiva-jekyll-theme (0.3.4)
       jekyll (~> 4)
@@ -179,48 +188,50 @@ GEM
       jekyll-unique-urls (~> 0)
       jekyll-write-and-commit-changes (~> 0)
       sutty-liquid (~> 0)
-    em-websocket (0.5.2)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     errbase (0.2.1)
     erubi (1.10.0)
     eventmachine (1.2.7-x86_64-linux-musl)
     exception_notification (4.4.3)
       actionmailer (>= 4.0, < 7)
       activesupport (>= 4.0, < 7)
-    execjs (2.7.0)
+    execjs (2.8.1)
     factory_bot (6.2.0)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.2.0)
       factory_bot (~> 6.2.0)
       railties (>= 5.0.0)
-    fast_blank (1.0.0-x86_64-linux-musl)
+    fast_blank (1.0.1-x86_64-linux-musl)
     fast_jsonparser (0.5.0-x86_64-linux-musl)
-    ffi (1.15.0-x86_64-linux-musl)
+    ffi (1.15.4-x86_64-linux-musl)
     flamegraph (0.9.5)
     forwardable-extended (2.6.0)
     friendly_id (5.4.2)
       activerecord (>= 4.0.0)
     get_process_mem (0.2.7)
       ffi (~> 1.0)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
+    globalid (0.6.0)
+      activesupport (>= 5.0)
+    groupdate (5.2.2)
+      activesupport (>= 5)
     hairtrigger (0.2.24)
       activerecord (>= 5.0, < 7)
       ruby2ruby (~> 2.4)
       ruby_parser (~> 3.10)
-    haml (5.2.1)
+    haml (5.2.2)
       temple (>= 0.8.0)
       tilt
     haml-lint (0.999.999)
       haml_lint
-    haml_lint (0.37.0)
+    haml_lint (0.37.1)
       haml (>= 4.0, < 5.3)
       parallel (~> 1.10)
       rainbow
       rubocop (>= 0.50.0)
       sysexits (~> 1.1)
-    hamlit (2.15.0-x86_64-linux-musl)
+    hamlit (2.15.1-x86_64-linux-musl)
       temple (>= 0.8.2)
       thor
       tilt
@@ -232,24 +243,24 @@ GEM
     heapy (0.2.0)
       thor
     hiredis (0.6.3-x86_64-linux-musl)
-    http_parser.rb (0.6.0-x86_64-linux-musl)
+    http_parser.rb (0.8.0-x86_64-linux-musl)
     httparty (0.18.1)
       mime-types (~> 3.0)
       multi_xml (>= 0.5.2)
-    i18n (1.8.10)
+    i18n (1.8.11)
       concurrent-ruby (~> 1.0)
     icalendar (2.7.1)
       ice_cube (~> 0.16)
-    ice_cube (0.16.3)
+    ice_cube (0.16.4)
     image_processing (1.12.1)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
     inline_svg (1.7.2)
       activesupport (>= 3.0)
       nokogiri (>= 1.6)
-    jbuilder (2.11.2)
+    jbuilder (2.11.3)
       activesupport (>= 5.0.0)
-    jekyll (4.2.0)
+    jekyll (4.2.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -264,8 +275,8 @@ GEM
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 2.0)
-    jekyll-commonmark (1.3.1)
-      commonmarker (~> 0.14)
+    jekyll-commonmark (1.3.2)
+      commonmarker (~> 0.14, < 0.22)
       jekyll (>= 3.7, < 5.0)
     jekyll-data (1.1.2)
       jekyll (>= 3.3, < 5.0.0)
@@ -276,21 +287,19 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-hardlinks (0.1.2)
       jekyll (~> 4)
-    jekyll-ignore-layouts (0.1.0)
+    jekyll-ignore-layouts (0.1.2)
       jekyll (~> 4)
-    jekyll-images (0.2.7)
+    jekyll-images (0.3.0)
       jekyll (~> 4)
       ruby-filemagic (~> 0.7)
       ruby-vips (~> 2)
     jekyll-include-cache (0.2.1)
       jekyll (>= 3.7, < 5.0)
-    jekyll-linked-posts (0.2.0)
+    jekyll-linked-posts (0.4.2)
       jekyll (~> 4)
-    jekyll-locales (0.1.12)
-    jekyll-lunr (0.2.0)
+    jekyll-locales (0.1.13)
+    jekyll-lunr (0.3.0)
       loofah (~> 2.4)
-    jekyll-node-modules (0.1.0)
-      jekyll (~> 4)
     jekyll-order (0.1.4)
     jekyll-relative-urls (0.0.6)
       jekyll (~> 4)
@@ -298,9 +307,9 @@ GEM
       sassc (> 2.0.1, < 3.0)
     jekyll-seo-tag (2.7.1)
       jekyll (>= 3.8, < 5.0)
-    jekyll-spree-client (0.1.14)
+    jekyll-spree-client (0.1.19)
       fast_blank (~> 1)
-      spree-api-client (~> 0.2)
+      spree-api-client (>= 0.2.4)
     jekyll-turbolinks (0.0.5)
       jekyll (~> 4)
       turbolinks-source (~> 5)
@@ -308,9 +317,21 @@ GEM
       jekyll (~> 4)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    jekyll-write-and-commit-changes (0.1.2)
+    jekyll-write-and-commit-changes (0.2.1)
       jekyll (~> 4)
       rugged (~> 1)
+    kaminari (1.2.1)
+      activesupport (>= 4.1.0)
+      kaminari-actionview (= 1.2.1)
+      kaminari-activerecord (= 1.2.1)
+      kaminari-core (= 1.2.1)
+    kaminari-actionview (1.2.1)
+      actionview
+      kaminari-core (= 1.2.1)
+    kaminari-activerecord (1.2.1)
+      activerecord
+      kaminari-core (= 1.2.1)
+    kaminari-core (1.2.1)
     kramdown (2.3.1)
       rexml
     kramdown-parser-gfm (1.1.0)
@@ -326,46 +347,46 @@ GEM
       ruby_dep (~> 1.2)
     loaf (0.10.0)
       railties (>= 3.2)
-    lockbox (0.6.4)
+    lockbox (0.6.6)
     lograge (0.11.2)
       actionpack (>= 4)
       activesupport (>= 4)
       railties (>= 4)
       request_store (~> 1.0)
-    loofah (2.9.1)
+    loofah (2.12.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
-    marcel (1.0.1)
+    marcel (1.0.2)
     memory_profiler (1.0.0)
     mercenary (0.4.0)
     method_source (1.0.0)
-    mime-types (3.3.1)
+    mime-types (3.4.1)
       mime-types-data (~> 3.2015)
-    mime-types-data (3.2021.0225)
+    mime-types-data (3.2021.1115)
     mini_histogram (0.3.1)
     mini_magick (4.11.0)
-    mini_mime (1.0.3)
-    mini_portile2 (2.5.1)
+    mini_mime (1.1.2)
+    mini_portile2 (2.6.1)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
-    mobility (1.1.2)
+    mobility (1.2.4)
       i18n (>= 0.6.10, < 2)
       request_store (~> 1.0)
     multi_xml (0.6.0)
     net-ssh (6.1.0)
-    netaddr (2.0.4)
-    nio4r (2.5.7-x86_64-linux-musl)
-    nokogiri (1.11.5-x86_64-linux-musl)
-      mini_portile2 (~> 2.5.0)
+    netaddr (2.0.5)
+    nio4r (2.5.8-x86_64-linux-musl)
+    nokogiri (1.12.5-x86_64-linux-musl)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     orm_adapter (0.5.0)
-    parallel (1.20.1)
-    parser (3.0.1.1)
+    parallel (1.21.0)
+    parser (3.0.2.0)
       ast (~> 2.4.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -374,27 +395,27 @@ GEM
       activerecord (>= 5.2)
       activesupport (>= 5.2)
     popper_js (1.16.0)
-    prometheus_exporter (0.7.0)
+    prometheus_exporter (1.0.0)
       webrick
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.3.1-x86_64-linux-musl)
+    puma (5.5.2-x86_64-linux-musl)
       nio4r (~> 2.0)
-    pundit (2.1.0)
+    pundit (2.1.1)
       activesupport (>= 3.0.0)
-    racc (1.5.2-x86_64-linux-musl)
+    racc (1.6.0-x86_64-linux-musl)
     rack (2.2.3)
     rack-cors (1.1.1)
       rack (>= 2.0.0)
-    rack-mini-profiler (2.3.2)
+    rack-mini-profiler (2.3.3)
       rack (>= 1.2.0)
-    rack-proxy (0.6.5)
+    rack-proxy (0.7.0)
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    radios-comunitarias-jekyll-theme (0.1.4)
+    radios-comunitarias-jekyll-theme (0.1.5)
       jekyll (~> 4.0)
       jekyll-data (~> 1.1)
       jekyll-feed (~> 0.9)
@@ -405,65 +426,66 @@ GEM
       jekyll-relative-urls (~> 0.0)
       jekyll-seo-tag (~> 2.1)
       jekyll-turbolinks (~> 0)
-    rails (6.1.3.2)
-      actioncable (= 6.1.3.2)
-      actionmailbox (= 6.1.3.2)
-      actionmailer (= 6.1.3.2)
-      actionpack (= 6.1.3.2)
-      actiontext (= 6.1.3.2)
-      actionview (= 6.1.3.2)
-      activejob (= 6.1.3.2)
-      activemodel (= 6.1.3.2)
-      activerecord (= 6.1.3.2)
-      activestorage (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    rails (6.1.4.1)
+      actioncable (= 6.1.4.1)
+      actionmailbox (= 6.1.4.1)
+      actionmailer (= 6.1.4.1)
+      actionpack (= 6.1.4.1)
+      actiontext (= 6.1.4.1)
+      actionview (= 6.1.4.1)
+      activejob (= 6.1.4.1)
+      activemodel (= 6.1.4.1)
+      activerecord (= 6.1.4.1)
+      activestorage (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       bundler (>= 1.15.0)
-      railties (= 6.1.3.2)
+      railties (= 6.1.4.1)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
+    rails-html-sanitizer (1.4.2)
       loofah (~> 2.3)
     rails-i18n (6.0.0)
       i18n (>= 0.7, < 2)
       railties (>= 6.0.0, < 7)
     rails_warden (0.6.0)
       warden (>= 1.2.0)
-    railties (6.1.3.2)
-      actionpack (= 6.1.3.2)
-      activesupport (= 6.1.3.2)
+    railties (6.1.4.1)
+      actionpack (= 6.1.4.1)
+      activesupport (= 6.1.4.1)
       method_source
-      rake (>= 0.8.7)
+      rake (>= 0.13)
       thor (~> 1.0)
     rainbow (3.0.0)
-    rake (13.0.3)
+    rake (13.0.6)
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    recursero-jekyll-theme (0.1.3)
-      jekyll (~> 4.0)
+    recursero-jekyll-theme (0.2.0)
+      jekyll (~> 4)
+      jekyll-commonmark (~> 1.3)
       jekyll-data (~> 1.1)
-      jekyll-feed (~> 0.9)
+      jekyll-dotenv (>= 0.2)
+      jekyll-feed (~> 0.15)
+      jekyll-ignore-layouts (~> 0)
       jekyll-images (~> 0.2)
       jekyll-include-cache (~> 0)
-      jekyll-linked-posts (~> 0.2)
+      jekyll-linked-posts (~> 0)
       jekyll-locales (~> 0.1)
       jekyll-lunr (~> 0.1)
-      jekyll-node-modules (~> 0.1)
-      jekyll-order (~> 0.1)
-      jekyll-relative-urls (~> 0.0)
-      jekyll-seo-tag (~> 2.1)
-      jekyll-turbolinks (~> 0)
+      jekyll-order (~> 0)
+      jekyll-relative-urls (~> 0)
+      jekyll-seo-tag (~> 2)
       jekyll-unique-urls (~> 0.1)
       sutty-archives (~> 2.2)
-      sutty-liquid (~> 0.1)
-    redis (4.2.5)
+      sutty-liquid (~> 0)
+    redis (4.5.1)
     redis-actionpack (5.2.0)
       actionpack (>= 5, < 7)
       redis-rack (>= 2.1.0, < 3)
       redis-store (>= 1.1.0, < 2)
-    redis-activesupport (5.2.0)
+    redis-activesupport (5.2.1)
       activesupport (>= 3, < 7)
       redis-store (>= 1.3, < 2)
     redis-rack (2.1.3)
@@ -482,19 +504,19 @@ GEM
       actionpack (>= 5.0)
       railties (>= 5.0)
     rexml (3.2.5)
-    rouge (3.26.0)
-    rubocop (1.15.0)
+    rouge (3.26.1)
+    rubocop (1.23.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml
-      rubocop-ast (>= 1.5.0, < 2.0)
+      rubocop-ast (>= 1.12.0, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 3.0)
-    rubocop-ast (1.5.0)
+    rubocop-ast (1.13.0)
       parser (>= 3.0.1.1)
-    rubocop-rails (2.10.1)
+    rubocop-rails (2.12.4)
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
@@ -502,17 +524,17 @@ GEM
       i18n
     ruby-filemagic (0.7.2-x86_64-linux-musl)
     ruby-progressbar (1.11.0)
-    ruby-statistics (2.1.3)
-    ruby-vips (2.1.2)
+    ruby-statistics (3.0.0)
+    ruby-vips (2.1.4)
       ffi (~> 1.12)
     ruby2ruby (2.4.4)
       ruby_parser (~> 3.1)
       sexp_processor (~> 4.6)
     ruby_dep (1.5.0)
-    ruby_parser (3.15.1)
-      sexp_processor (~> 4.9)
-    rubyzip (2.3.0)
-    rugged (1.1.0-x86_64-linux-musl)
+    ruby_parser (3.18.1)
+      sexp_processor (~> 4.16)
+    rubyzip (2.3.2)
+    rugged (1.2.0-x86_64-linux-musl)
     safe_yaml (1.0.6)
     safely_block (0.3.0)
       errbase (>= 0.1.1)
@@ -524,11 +546,12 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    selenium-webdriver (3.142.7)
-      childprocess (>= 0.5, < 4.0)
+    selenium-webdriver (4.1.0)
+      childprocess (>= 0.5, < 5.0)
+      rexml (~> 3.2, >= 3.2.5)
       rubyzip (>= 1.2.2)
     semantic_range (3.0.0)
-    sexp_processor (4.15.2)
+    sexp_processor (4.16.0)
     share-to-fediverse-jekyll-theme (0.1.4)
       jekyll (~> 4.0)
       jekyll-data (~> 1.1)
@@ -540,7 +563,7 @@ GEM
     simpleidn (0.2.1)
       unf (~> 0.1.4)
     sourcemap (0.1.1)
-    spree-api-client (0.2.1)
+    spree-api-client (0.2.4)
       fast_blank (~> 1)
       httparty (~> 0.18.0)
     spring (2.1.1)
@@ -550,9 +573,9 @@ GEM
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.2)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
+    sprockets-rails (3.4.1)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
       sprockets (>= 3.0.0)
     sqlite3 (1.4.2-x86_64-linux-musl)
     stackprof (0.2.17-x86_64-linux-musl)
@@ -577,14 +600,14 @@ GEM
       jekyll-include-cache (~> 0)
       jekyll-relative-urls (~> 0.0)
       jekyll-seo-tag (~> 2.1)
-    sutty-liquid (0.7.3)
+    sutty-liquid (0.7.4)
       fast_blank (~> 1.0)
       jekyll (~> 4)
     sutty-minima (2.5.0)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
-    symbol-fstring (1.0.0-x86_64-linux-musl)
+    symbol-fstring (1.0.2-x86_64-linux-musl)
     sysexits (1.2.0)
     temple (0.8.2)
     terminal-table (2.0.0)
@@ -601,30 +624,30 @@ GEM
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.7-x86_64-linux-musl)
-    unicode-display_width (1.7.0)
+    unf_ext (0.0.8-x86_64-linux-musl)
+    unicode-display_width (1.8.0)
     validates_hostname (1.0.11)
       activerecord (>= 3.0)
       activesupport (>= 3.0)
     warden (1.2.9)
       rack (>= 2.0.9)
-    web-console (4.1.0)
+    web-console (4.2.0)
       actionview (>= 6.0.0)
       activemodel (>= 6.0.0)
       bindex (>= 0.4.0)
       railties (>= 6.0.0)
-    webpacker (5.4.0)
+    webpacker (5.4.3)
       activesupport (>= 5.2)
       rack-proxy (>= 0.6.1)
       railties (>= 5.2)
       semantic_range (>= 2.3.0)
     webrick (1.7.0)
-    websocket-driver (0.7.3-x86_64-linux-musl)
+    websocket-driver (0.7.5-x86_64-linux-musl)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
     xpath (3.2.0)
       nokogiri (~> 1.8)
-    zeitwerk (2.4.2)
+    zeitwerk (2.5.1)
 
 PLATFORMS
   ruby
@@ -638,6 +661,7 @@ DEPENDENCIES
   bootstrap (~> 4)
   brakeman
   capybara (~> 2.13)
+  chartkick
   commonmarker
   concurrent-ruby-ext
   database_cleaner
@@ -670,6 +694,7 @@ DEPENDENCIES
   jekyll-data!
   jekyll-images
   jekyll-include-cache
+  kaminari
   letter_opener
   listen (>= 3.0.5, < 3.2)
   loaf
@@ -680,6 +705,7 @@ DEPENDENCIES
   minima
   mobility
   net-ssh
+  nokogiri
   pg
   pg_search
   prometheus_exporter
@@ -695,6 +721,7 @@ DEPENDENCIES
   recursero-jekyll-theme
   redis
   redis-rails
+  rollups!
   rubocop-rails
   rubyzip
   rugged
diff --git a/Makefile b/Makefile
index 6f04c74f..5a9ad7a8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,136 +1,121 @@
-.SHELL := /bin/bash
-# Incluir las variables de entorno
-mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
-root_dir := $(patsubst %/,%,$(dir $(mkfile_path)))
-include $(root_dir)/.env
+SHELL := /bin/bash
+.DEFAULT_GOAL := help
 
-delegate := athshe
+# Copiar el archivo de configuración y avisar cuando hay que
+# actualizarlo.
+.env: .env.example
+	@test -f $@ || cp -v $< $@
+	@test -f $@ && echo "Revisa $@ para actualizarlo con respecto a $<"
+	@test -f $@ && diff -auN --color $@ $<
 
-assets := package.json yarn.lock $(shell find app/assets/ app/javascript/ -type f)
+include .env
 
-alpine_version := 3.13
-hain ?= ../haini.sh/haini.sh
+export
 
-env ?= staging
+# XXX: El espacio antes del comentario cuenta como espacio
+args ?=## Argumentos para Hain
+commit ?= origin/rails## Commit desde el que actualizar
+env ?= staging## Entorno del nodo delegado
+sutty ?= $(SUTTY)## Dirección local
+delegate ?= $(DELEGATE)## Cambia el nodo delegado
+hain ?= ENV_FILE=.env $(HAINISH)## Ubicación de Hainish
 
+# El nodo delegado tiene dos entornos, production y staging.
+# Dependiendo del entorno que elijamos, se van a generar los assets y el
+# contenedor y subirse a un servidor u otro.  No utilizamos CI/CD (aún).
+#
+# Production es el entorno de panel.sutty.nl
 ifeq ($(env),production)
 container ?= sutty
+## TODO: Cambiar a otra cosa
 branch ?= rails
 public ?= public
 endif
 
+# Staging es el entorno de panel.staging.sutty.nl
 ifeq ($(env),staging)
 container := staging
 branch := staging
 public := staging
 endif
 
-export
+help: always ## Ayuda
+	@echo -e "Sutty\n" | sed -re "s/^.*/\x1B[38;5;197m&\x1B[0m/"
+	@echo -e "Servidor: https://panel.$(SUTTY_WITH_PORT)/\n"
+	@echo -e "Uso: make TAREA args=\"ARGUMENTOS\"\n"
+	@echo -e "Tareas:\n"
+	@grep -E "^[a-z\-]+:.*##" Makefile | sed -re "s/(.*):.*##(.*)/\1;\2/" | column -s ";" -t | sed -re "s/^([^ ]+) /\x1B[38;5;197m\1\x1B[0m/"
+	@echo -e "\nArgumentos:\n"
+	@grep -E "^[a-z\-]+ \?=.*##" Makefile | sed -re "s/(.*) \?=.*##(.*)/\1;\2/" | column -s ";" -t | sed -re "s/^([^ ]+) /\x1B[38;5;197m\1\x1B[0m/"
 
-public/packs/manifest.json.br: $(assets)
-	$(hain) 'cd /Sutty/sutty; PANEL_URL=https://panel.sutty.nl RAILS_ENV=production NODE_ENV=production bundle exec rake assets:precompile assets:clean'
+assets: public/packs/manifest.json.br ## Compilar los assets
 
-assets: public/packs/manifest.json.br
+test: always ## Ejecutar los tests
+	$(MAKE) rake args="test RAILS_ENV=test $(args)"
 
-tests := $(shell find test/ -name "*_test.rb")
-$(tests): always
-	$(hain) 'cd /Sutty/sutty; bundle exec rake test TEST="$@" RAILS_ENV=test'
-
-test: always
-	$(hain) 'cd /Sutty/sutty; RAILS_ENV=test bundle exec rake test'
-
-postgresql: /etc/hosts
+postgresql: /etc/hosts ## Iniciar la base de datos
 	pgrep postgres >/dev/null || $(hain) postgresql
 
-serve: /etc/hosts postgresql
+serve-js: /etc/hosts node_modules ## Iniciar el servidor de desarrollo de Javascript
+	$(hain) 'bundle exec ./bin/webpack-dev-server'
+
+serve: /etc/hosts postgresql Gemfile.lock ## Iniciar el servidor de desarrollo de Rails
 	$(MAKE) rails args=server
 
-# make rails args="db:migrate"
-rails:
+rails: ## Corre rails dentro del entorno de desarrollo (pasar argumentos con args=).
 	$(MAKE) bundle args="exec rails $(args)"
 
-rake:
+rake: ## Corre rake dentro del entorno de desarrollo (pasar argumentos con args=).
 	$(MAKE) bundle args="exec rake $(args)"
 
-bundle:
-	$(hain) 'cd /Sutty/sutty; bundle $(args)'
+bundle: ## Corre bundle dentro del entorno de desarrollo (pasar argumentos con args=).
+	$(hain) 'bundle $(args)'
 
-yarn:
+psql := psql -h $(PG_HOST) -U $(PG_USER) -p $(PG_PORT) -d sutty
+copy-table:
+	test -n "$(table)"
+	echo "truncate $(table) $(cascade);" | $(psql)
+	ssh $(delegate) docker exec postgresql pg_dump -U sutty -d sutty -t $(table) | $(psql)
+
+psql:
+	$(psql)
+
+rubocop: ## Yutea el código que está por ser commiteado
+	git status --porcelain \
+  | grep -E "^(A|M)" \
+  | sed "s/^...//" \
+  | grep ".rb$$" \
+  | ../haini.sh/haini.sh "xargs -r ./bin/rubocop --auto-correct"
+
+audit: ## Encuentra dependencias con vulnerabilidades
+	$(hain) 'gem install bundler-audit'
+	$(hain) 'bundle audit --update'
+
+brakeman: ## Busca posibles vulnerabilidades en Sutty
+	$(MAKE) bundle args='exec brakeman'
+
+yarn: ## Tareas de yarn
 	$(hain) 'yarn $(args)'
 
-# Servir JS con el dev server.
-# Esto acelera la compilación del javascript, tiene que correrse por separado
-# de serve.
-serve-js: /etc/hosts
-	$(hain) 'cd /Sutty/sutty; bundle exec ./bin/webpack-dev-server'
+clean: ## Limpieza
+	rm -rf _sites/test-* _deploy/test-* log/*.log tmp/cache tmp/letter_opener tmp/miniprofiler tmp/storage
 
-# Limpiar los archivos de testeo
-clean:
-	rm -rf _sites/test-* _deploy/test-*
-
-# Generar la imagen Docker
-build: assets
+build: Gemfile.lock ## Generar la imagen Docker
 	time docker build --build-arg="BRANCH=$(branch)" --build-arg="RAILS_MASTER_KEY=`cat config/master.key`" -t sutty/$(container) .
 	docker tag sutty/$(container):latest sutty:keep
+	@echo -e "\a"
 
-save:
-	time docker save sutty/$(container):latest | ssh root@$(delegate).sutty.nl docker load
+save: ## Subir la imagen Docker al nodo delegado
+	time docker save sutty/$(container):latest | ssh root@$(delegate) docker load
 	date +%F | xargs -I {} git tag -f $(container)-{}
 	@echo -e "\a"
 
-# proyectos.
-../gems/:
-	mkdir -p $@
+ota-js: assets ## Actualizar Javascript en el nodo delegado
+	rsync -avi --delete-after --chown 1000:82 public/ root@$(delegate):/srv/sutty/srv/http/data/_$(public)/
+	ssh root@$(delegate) docker exec $(container) sh -c "cat /srv/http/tmp/puma.pid | xargs -r kill -USR2"
 
-# Crear el directorio donde se almacenan las gemas binarias
-# TODO: Mover a un proyecto propio, porque lo utilizamos en todos los
-gem_dir := $(shell readlink -f ../gems)
-gem_cache_dir := $(gem_dir)/cache
-gem_binary_dir := $(gem_dir)/$(alpine_version)
-ifeq ($(MAKECMDGOALS),build-gems)
-gems := $(shell bundle show --paths | xargs -I {} sh -c 'find {}/ext/ -name extconf.rb &>/dev/null && basename {}')
-gems := $(patsubst %-x86_64-linux,%,$(gems))
-gems := $(patsubst %,$(gem_cache_dir)/%.gem,$(gems))
-gems_musl := $(patsubst $(gem_cache_dir)/%.gem,$(gem_binary_dir)/%-x86_64-linux-musl.gem,$(gems))
-endif
-
-$(gem_binary_dir)/%-x86_64-linux-musl.gem:
-	@docker run \
-		-v $(gem_dir):/srv/gems \
-		-v `readlink -f ~/.ccache`:/home/builder/.ccache \
-		-e HTTP_BASIC_USER=$(HTTP_BASIC_USER) \
-		-e HTTP_BASIC_PASSWORD=$(HTTP_BASIC_PASSWORD) \
-		-e GEM=`echo $(notdir $*) | sed -re "s/-[^-]+$$//"` \
-		-e VERSION=`echo $(notdir $*) | sed -re "s/.*-([^-]+)$$/\1/"` \
-		-e JOBS=2 \
-		--rm -it \
-		sutty/gem-compiler:latest || echo "No se pudo compilar $*"
-
-# Compilar todas las gemas binarias y subirlas a gems.sutty.nl para que
-# al crear el contenedor no tengamos que compilarlas cada vez
-build-gems: $(gems_musl)
-
-cached_gems  = $(wildcard $(gem_dir)/cache/*.gem)
-rebuild_gems = $(patsubst $(gem_dir)/cache/%.gem,$(gem_dir)/$(alpine_version)/%-x86_64-linux-musl.gem,$(cached_gems))
-rebuild-gems: $(rebuild_gems)
-
-dirs := $(patsubst %,root/%,data sites deploy public)
-
-$(dirs):
-	mkdir -p $@
-
-ota: assets
-	sudo chgrp -R 82 public/
-	rsync -avi --delete-after public/ $(delegate):/srv/sutty/srv/http/data/_$(public)/
-	ssh $(delegate) docker exec $(container) sh -c "cat /srv/http/tmp/puma.pid | xargs -r kill -USR2"
-
-# Hotfixes
-#
-# TODO: Reemplazar esto por git pull en el contenedor
-commit ?= origin/rails
-ota-rb:
+ota: ## Actualizar Rails en el nodo delegado
 	umask 022; git format-patch $(commit)
-	scp ./0*.patch $(delegate):/tmp/
 	ssh $(delegate) mkdir -p /tmp/patches-$(commit)/
 	scp ./0*.patch $(delegate):/tmp/patches-$(commit)/
 	scp ./ota.sh $(delegate):/tmp/
@@ -140,6 +125,19 @@ ota-rb:
 	ssh $(delegate) docker exec $(container) ota $(commit)
 	rm ./0*.patch
 
+# Todos los archivos de assets.  Si alguno cambia, se van a recompilar
+# los assets que luego se suben al nodo delegado.
+assets := package.json yarn.lock $(shell find app/assets/ app/javascript/ -type f)
+public/packs/manifest.json.br: $(assets)
+	$(hain) 'PANEL_URL=https://panel.sutty.nl RAILS_ENV=production NODE_ENV=production bundle exec rake assets:precompile assets:clean'
+
+# Correr un test en particular por ejemplo
+# `make test/models/usuarie_test.rb`
+tests := $(shell find test/ -name "*_test.rb")
+$(tests): always
+	$(MAKE) test args="TEST=$@"
+
+# Agrega las direcciones locales al sistema
 /etc/hosts: always
 	@echo "Chequeando si es necesario agregar el dominio local $(SUTTY)"
 	@grep -q " $(SUTTY)$$" $@ || echo -e "127.0.0.1 $(SUTTY)\n::1 $(SUTTY)" | sudo tee -a $@
@@ -147,4 +145,12 @@ ota-rb:
 	@grep -q " panel.$(SUTTY)$$" $@ || echo -e "127.0.0.1 panel.$(SUTTY)\n::1 panel.$(SUTTY)" | sudo tee -a $@
 	@grep -q " postgresql.$(SUTTY)$$" $@ || echo -e "127.0.0.1 postgresql.$(SUTTY)\n::1 postgresql.$(SUTTY)" | sudo tee -a $@
 
+# Instala las dependencias de Javascript
+node_modules: package.json
+	$(MAKE) yarn
+
+# Instala las dependencias de Rails
+Gemfile.lock: Gemfile 
+	$(MAKE) bundle args=install
+
 .PHONY: always
diff --git a/README.md b/README.md
index ef889f9b..25d0d31c 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,17 @@ Este repositorio es la plataforma _Ruby on Rails_ para alojar el
 
 Para más información visita el [sitio de Sutty](https://sutty.nl/).
 
+### Desarrollar
+
+Todas las tareas se gestionan con `make`, por favor instala GNU Make
+antes de comenzar.
+
+```bash
+make help
+```
+
+[Leer la documentación](https://docs.sutty.nl/)
+
 ## English
 
 Sutty is a platform for hosting safer, faster and more resilient
@@ -25,3 +36,13 @@ This repository is the Ruby on Rails platform that hosts the
 self-managed [panel](https://panel.sutty.nl/).
 
 For more information, visit [Sutty's website](https://sutty.nl/en/).
+
+### Development
+
+Every task is run via `make`, please install GNU Make before developing.
+
+```bash
+make help
+```
+
+[Read the documentation](https://docs.sutty.nl/en/)
diff --git a/app/assets/stylesheets/editor.scss b/app/assets/stylesheets/editor.scss
index 5d218c7e..30fab60a 100644
--- a/app/assets/stylesheets/editor.scss
+++ b/app/assets/stylesheets/editor.scss
@@ -2,6 +2,13 @@
 	box-sizing: border-box;
 	*, *::before, *::after { box-sizing: inherit; }
 
+	// Arreglo temporal para que las cosas sean legibles en modo oscuro
+	--foreground: black;
+	--background: white;
+	--color: #f206f9;
+	background: var(--background);
+	color: var(--foreground);
+
 	h1, h2, h3, h4, h5, h6, p, li {
 		min-height: 1.5rem;
 	}
@@ -64,6 +71,10 @@
 		strong, em, del, u, sub, sup, small { background: #0002; }
 		a { background: #13fefe50; }
 		[data-editor-selected] { outline: #f206f9 solid thick; }
+		p[data-multimedia-inner] {
+			// Ignorar clicks en el párrafo placeholder
+			pointer-events: none;
+		}
 	}
 
 	*[data-editor-loading] {
diff --git a/app/controllers/posts_controller.rb b/app/controllers/posts_controller.rb
index 448592de..dfcdb806 100644
--- a/app/controllers/posts_controller.rb
+++ b/app/controllers/posts_controller.rb
@@ -19,21 +19,21 @@ class PostsController < ApplicationController
 
     # XXX: Cada vez que cambiamos un Post tocamos el sitio con lo que es
     # más simple saber si hubo cambios.
-    if stale?([current_usuarie, site, filter_params])
-      # Todos los artículos de este sitio para el idioma actual
-      @posts = site.indexed_posts.where(locale: locale)
-      # De este tipo
-      @posts = @posts.where(layout: filter_params[:layout]) if filter_params[:layout]
-      # Que estén dentro de la categoría
-      @posts = @posts.in_category(filter_params[:category]) if filter_params[:category]
-      # Aplicar los parámetros de búsqueda
-      @posts = @posts.search(locale, filter_params[:q]) if filter_params[:q].present?
-      # A los que este usuarie tiene acceso
-      @posts = PostPolicy::Scope.new(current_usuarie, @posts).resolve
+    return unless stale?([current_usuarie, site, filter_params])
 
-      # Filtrar los posts que les invitades no pueden ver
-      @usuarie = site.usuarie? current_usuarie
-    end
+    # Todos los artículos de este sitio para el idioma actual
+    @posts = site.indexed_posts.where(locale: locale)
+    # De este tipo
+    @posts = @posts.where(layout: filter_params[:layout]) if filter_params[:layout]
+    # Que estén dentro de la categoría
+    @posts = @posts.in_category(filter_params[:category]) if filter_params[:category]
+    # Aplicar los parámetros de búsqueda
+    @posts = @posts.search(locale, filter_params[:q]) if filter_params[:q].present?
+    # A los que este usuarie tiene acceso
+    @posts = PostPolicy::Scope.new(current_usuarie, @posts).resolve
+
+    # Filtrar los posts que les invitades no pueden ver
+    @usuarie = site.usuarie? current_usuarie
   end
 
   def show
@@ -51,7 +51,7 @@ class PostsController < ApplicationController
 
   def new
     authorize Post
-    @post = site.posts.build(lang: locale, layout: params[:layout])
+    @post = site.posts(lang: locale).build(layout: params[:layout])
 
     breadcrumb I18n.t('loaf.breadcrumbs.posts.new', layout: @post.layout.humanized_name.downcase), ''
   end
@@ -151,7 +151,9 @@ class PostsController < ApplicationController
   #
   # @return [Hash]
   def filter_params
-    @filter_params ||= params.permit(:q, :category, :layout).to_h.select { |_, v| v.present? }
+    @filter_params ||= params.permit(:q, :category, :layout).to_hash.select do |_, v|
+      v.present?
+    end.transform_keys(&:to_sym)
   end
 
   def site
diff --git a/app/controllers/stats_controller.rb b/app/controllers/stats_controller.rb
new file mode 100644
index 00000000..44073c1f
--- /dev/null
+++ b/app/controllers/stats_controller.rb
@@ -0,0 +1,168 @@
+# frozen_string_literal: true
+
+# Estadísticas del sitio
+class StatsController < ApplicationController
+  include Pundit
+  include ActionView::Helpers::DateHelper
+
+  before_action :authenticate_usuarie!
+  before_action :authorize_stats
+
+  EXTRA_OPTIONS = {
+    builds: {},
+    space_used: { bytes: true },
+    build_time: {}
+  }.freeze
+
+  # XXX: Permitir a Chart.js inyectar su propio CSS
+  content_security_policy only: :index do |policy|
+    policy.style_src :self, :unsafe_inline
+    policy.script_src :self, :unsafe_inline
+  end
+
+  def index
+    @chart_params = { interval: interval }
+    hostnames
+    last_stat
+    chart_options
+    normalized_urls
+  end
+
+  # Genera un gráfico de visitas por dominio asociado a este sitio
+  def host
+    return unless stale? [last_stat, hostnames, interval]
+
+    stats = Rollup.where_dimensions(host: hostnames).multi_series('host', interval: interval).tap do |series|
+      series.each do |serie|
+        serie[:name] = serie.dig(:dimensions, 'host')
+        serie[:data].transform_values! do |value|
+          value * nodes
+        end
+      end
+    end
+
+    render json: stats
+  end
+
+  def resources
+    return unless stale? [last_stat, interval, resource]
+
+    options = {
+      interval: interval,
+      dimensions: {
+        deploy_id: @site.deploys.where(type: 'DeployLocal').pluck(:id).first
+      }
+    }
+
+    render json: Rollup.series(resource, **options)
+  end
+
+  def uris
+    return unless stale? [last_stat, hostnames, interval, normalized_urls]
+
+    options = { host: hostnames, uri: normalized_paths }
+    stats = Rollup.where_dimensions(**options).multi_series('host|uri', interval: interval).tap do |series|
+      series.each do |serie|
+        serie[:name] = serie[:dimensions].slice('host', 'uri').values.join.sub('/index.html', '/')
+        serie[:data].transform_values! do |value|
+          value * nodes
+        end
+      end
+    end
+
+    render json: stats
+  end
+
+  private
+
+  def last_stat
+    @last_stat ||= Stat.last
+  end
+
+  def authorize_stats
+    @site = find_site
+    authorize SiteStat.new(@site)
+  end
+
+  # TODO: Eliminar cuando mergeemos referer-origin
+  def hostnames
+    @hostnames ||= [@site.hostname, @site.alternative_hostnames].flatten
+  end
+
+  # Normalizar las URLs
+  #
+  # @return [Array]
+  def normalized_urls
+    @normalized_urls ||= params.permit(:urls).try(:[],
+                                                  :urls)&.split("\n")&.map(&:strip)&.select(&:present?)&.select do |uri|
+                           uri.start_with? 'https://'
+                         end&.map do |u|
+                           # XXX: Eliminar
+                           # @see {https://0xacab.org/sutty/containers/nginx/-/merge_requests/1}
+                           next u unless u.end_with? '/'
+
+                           "#{u}index.html"
+                         end&.uniq || [@site.url, @site.urls].flatten.uniq
+  end
+
+  def normalized_paths
+    @normalized_paths ||= normalized_urls.map do |u|
+      "/#{u.split('/', 4).last}"
+    end.map do |u|
+      URI.decode_www_form_component u
+    end
+  end
+
+  # Opciones por defecto para los gráficos.
+  #
+  # La invitación a volver dentro de X tiempo es para dar un estimado de
+  # cuándo habrá información disponible, porque Rollup genera intervalos
+  # completos (¿aunque dice que no?)
+  #
+  # La diferencia se calcula sumando el intervalo a la hora de última
+  # toma de estadísticas y restando el tiempo que pasó desde ese
+  # momento.
+  def chart_options
+    time = (last_stat&.created_at || Time.now) + 1.try(interval)
+    please_return_at = { please_return_at: distance_of_time_in_words(Time.now, time) }
+
+    @chart_options ||= {
+      locale: I18n.locale,
+      empty: I18n.t('stats.index.empty', **please_return_at),
+      loading: I18n.t('stats.index.loading'),
+      html: %(<div id="%{id}" class="d-flex align-items-center justify-content-center" style="height: %{height}; width: %{width};">%{loading}</div>)
+    }
+  end
+
+  # Obtiene y valida los intervalos
+  #
+  # @return [Symbol]
+  def interval
+    @interval ||= begin
+      i = params[:interval]&.to_sym
+      Stat::INTERVALS.include?(i) ? i : :day
+    end
+  end
+
+  def resource
+    @resource ||= begin
+      r = params[:resource].to_sym
+      Stat::RESOURCES.include?(r) ? r : :builds
+    end
+  end
+
+  # Obtiene la cantidad de nodos de Sutty, para poder calcular la
+  # cantidad de visitas.
+  #
+  # Como repartimos las visitas por nodo rotando las IPs en el
+  # nameserver y los resolvedores de DNS eligen un nameserver
+  # aleatoriamente, la cantidad de visitas se reparte
+  # equitativamente.
+  #
+  # XXX: Remover cuando podamos centralizar los AccessLog
+  #
+  # @return [Integer]
+  def nodes
+    @nodes ||= ENV.fetch('NODES', 1).to_i
+  end
+end
diff --git a/app/javascript/packs/application.js b/app/javascript/packs/application.js
index 6aa3a2e1..492ca736 100644
--- a/app/javascript/packs/application.js
+++ b/app/javascript/packs/application.js
@@ -18,6 +18,7 @@ import 'etc'
 import Rails from '@rails/ujs'
 import Turbolinks from 'turbolinks'
 import * as ActiveStorage from '@rails/activestorage'
+import 'chartkick/chart.js'
 
 Rails.start()
 Turbolinks.start()
diff --git a/app/jobs/deploy_job.rb b/app/jobs/deploy_job.rb
index f1ceca9e..70997ce1 100644
--- a/app/jobs/deploy_job.rb
+++ b/app/jobs/deploy_job.rb
@@ -5,13 +5,23 @@ class DeployJob < ApplicationJob
   class DeployException < StandardError; end
 
   # rubocop:disable Metrics/MethodLength
-  def perform(site, notify = true)
+  def perform(site, notify = true, time = Time.now)
     ActiveRecord::Base.connection_pool.with_connection do
       @site = Site.find(site)
 
-      # Si ya hay una tarea corriendo, aplazar esta
+      # Si ya hay una tarea corriendo, aplazar esta.  Si estuvo
+      # esperando más de 10 minutos, recuperar el estado anterior.
+      #
+      # Como el trabajo actual se aplaza al siguiente, arrastrar la
+      # hora original para poder ir haciendo timeouts.
       if @site.building?
-        DeployJob.perform_in(60, site, notify)
+        if 10.minutes.ago >= time
+          @site.update status: 'waiting'
+          raise DeployException,
+                "#{@site.name} la tarea estuvo más de 10 minutos esperando, volviendo al estado original"
+        end
+
+        DeployJob.perform_in(60, site, notify, time)
         return
       end
 
@@ -29,8 +39,11 @@ class DeployJob < ApplicationJob
       end
 
       deploy_others
-      notify_usuaries if notify
+
+      # Volver a la espera
       @site.update status: 'waiting'
+
+      notify_usuaries if notify
     end
   end
   # rubocop:enable Metrics/MethodLength
diff --git a/app/jobs/periodic_job.rb b/app/jobs/periodic_job.rb
new file mode 100644
index 00000000..8d9453a3
--- /dev/null
+++ b/app/jobs/periodic_job.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+# Una tarea que se corre periódicamente
+class PeriodicJob < ApplicationJob
+  class RunAgainException < StandardError; end
+
+  STARTING_INTERVAL = Stat::INTERVALS.first
+
+  # Tener el sitio a mano
+  attr_reader :site
+
+  # Descartar y notificar si pasó algo más.
+  #
+  # XXX: En realidad deberíamos seguir reintentando?
+  discard_on(StandardError) do |_, error|
+    ExceptionNotifier.notify_exception(error)
+  end
+
+  # Correr indefinidamente una vez por hora.
+  #
+  # XXX: El orden importa, si el descarte viene después, nunca se va a
+  # reintentar.
+  retry_on(PeriodicJob::RunAgainException, wait: 1.try(STARTING_INTERVAL), attempts: Float::INFINITY, jitter: 0)
+
+  private
+
+  # Las clases que implementen esta tienen que usar este método al
+  # terminar.
+  def run_again!
+    raise PeriodicJob::RunAgainException, 'Reintentando'
+  end
+
+  # El intervalo de inicio
+  #
+  # @return [Symbol]
+  def starting_interval
+    STARTING_INTERVAL
+  end
+
+  # La última recolección de estadísticas o empezar desde el principio
+  # de los tiempos.
+  #
+  # @return [Stat]
+  def last_stat
+    @last_stat ||= site.stats.where(name: stat_name).last ||
+                   site.stats.build(created_at: Time.new(1970, 1, 1))
+  end
+
+  # Devuelve el comienzo del intervalo
+  #
+  # @return [Time]
+  def beginning_of_interval
+    @beginning_of_interval ||= last_stat.created_at.try(:"beginning_of_#{starting_interval}")
+  end
+end
diff --git a/app/jobs/stat_collection_job.rb b/app/jobs/stat_collection_job.rb
new file mode 100644
index 00000000..2aa8d702
--- /dev/null
+++ b/app/jobs/stat_collection_job.rb
@@ -0,0 +1,67 @@
+# frozen_string_literal: true
+
+# Genera resúmenes de información para poder mostrar estadísticas y se
+# corre regularmente a sí misma.
+class StatCollectionJob < ApplicationJob
+  STAT_NAME = 'stat_collection_job'
+
+  def perform(site_id:, once: true)
+    @site = Site.find site_id
+
+    scope.rollup('builds', **options)
+
+    scope.rollup('space_used', **options) do |rollup|
+      rollup.average(:bytes)
+    end
+
+    scope.rollup('build_time', **options) do |rollup|
+      rollup.average(:seconds)
+    end
+
+    # XXX: Es correcto promediar promedios?
+    Stat::INTERVALS.reduce do |previous, current|
+      rollup(name: 'builds', interval_previous: previous, interval: current)
+      rollup(name: 'space_used', interval_previous: previous, interval: current, operation: :average)
+      rollup(name: 'build_time', interval_previous: previous, interval: current, operation: :average)
+
+      current
+    end
+
+    # Registrar que se hicieron todas las recolecciones
+    site.stats.create! name: STAT_NAME
+
+    run_again! unless once
+  end
+
+  private
+
+  # Genera un rollup recursivo en base al período anterior y aplica una
+  # operación.
+  #
+  # @return [NilClass]
+  def rollup(name:, interval_previous:, interval:, operation: :sum)
+    Rollup.where(name: name, interval: interval_previous)
+          .where_dimensions(site_id: site.id)
+          .group("dimensions->'site_id'")
+          .rollup(name, interval: interval, update: true) do |rollup|
+            rollup.try(:operation, :value)
+          end
+  end
+
+  # Los registros a procesar
+  #
+  # @return [ActiveRecord::Relation]
+  def scope
+    @scope ||= site.build_stats
+                   .jekyll
+                   .where('created_at => ?', beginning_of_interval)
+                   .group(:site_id)
+  end
+
+  # Las opciones por defecto
+  #
+  # @return [Hash]
+  def options
+    @options ||= { interval: starting_interval, update: true }
+  end
+end
diff --git a/app/jobs/uri_collection_job.rb b/app/jobs/uri_collection_job.rb
new file mode 100644
index 00000000..9ec333cd
--- /dev/null
+++ b/app/jobs/uri_collection_job.rb
@@ -0,0 +1,106 @@
+# frozen_string_literal: true
+
+# Procesar una lista de URIs para una lista de dominios.  Esto nos
+# permite procesar estadísticas a demanda.
+#
+# Hay varias cosas acá que van a convertirse en métodos propios, como la
+# detección de URIs de un sitio (aunque la versión actual detecta todas
+# las páginas y no solo las de posts como tenemos planeado, hay que
+# resolver eso).
+#
+# Los hostnames de un sitio van a poder obtenerse a partir de
+# Site#hostnames con la garantía de que son únicos.
+class UriCollectionJob < PeriodicJob
+  # Ignoramos imágenes porque suelen ser demasiadas y no aportan a las
+  # estadísticas.
+  IMAGES = %w[.png .jpg .jpeg .gif .webp].freeze
+  STAT_NAME = 'uri_collection_job'
+
+  def perform(site_id:, once: true)
+    @site = Site.find site_id
+
+    hostnames.each do |hostname|
+      uris.each do |uri|
+        return if File.exist? Rails.root.join('tmp', 'uri_collection_job_stop')
+
+        AccessLog.where(host: hostname, uri: uri)
+                 .where('created_at >= ?', beginning_of_interval)
+                 .completed_requests
+                 .non_robots
+                 .group(:host, :uri)
+                 .rollup('host|uri', interval: starting_interval, update: true)
+
+        # Reducir las estadísticas calculadas aplicando un rollup sobre el
+        # intervalo más amplio.
+        Stat::INTERVALS.reduce do |previous, current|
+          Rollup.where(name: 'host|uri', interval: previous)
+                .where_dimensions(host: hostname, uri: uri)
+                .group("dimensions->'host'", "dimensions->'uri'")
+                .rollup('host|uri', interval: current, update: true) do |rollup|
+                  rollup.sum(:value)
+                end
+
+          # Devolver el intervalo actual
+          current
+        end
+      end
+    end
+
+    # Recordar la última vez que se corrió la tarea
+    site.stats.create! name: STAT_NAME
+
+    run_again! unless once
+  end
+
+  private
+
+  def stat_name
+    STAT_NAME
+  end
+
+  # @return [String]
+  #
+  # TODO: Cambiar al mergear origin-referer
+  def destination
+    @destination ||= site.deploys.find_by(type: 'DeployLocal').destination
+  end
+
+  # TODO: Cambiar al mergear origin-referer
+  #
+  # @return [Array]
+  def hostnames
+    @hostnames ||= site.deploys.map do |deploy|
+      case deploy
+      when DeployLocal
+        site.hostname
+      when DeployWww
+        deploy.fqdn
+      when DeployAlternativeDomain
+        deploy.hostname.dup.tap do |h|
+          h.replace(h.end_with?('.') ? h[0..-2] : "#{h}.#{Site.domain}")
+        end
+      when DeployHiddenService
+        deploy.onion
+      end
+    end.compact
+  end
+
+  # Recolecta todas las URIs menos imágenes
+  #
+  # @return [Array]
+  def uris
+    @uris ||= Dir.chdir destination do
+      (Dir.glob('**/*.html') + Dir.glob('public/**/*').reject do |p|
+        File.directory? p
+      end.reject do |p|
+        p = p.downcase
+
+        IMAGES.any? do |i|
+          p.end_with? i
+        end
+      end).map do |uri|
+        "/#{uri}"
+      end
+    end
+  end
+end
diff --git a/app/models/access_log.rb b/app/models/access_log.rb
index 85cd4c36..3a066b33 100644
--- a/app/models/access_log.rb
+++ b/app/models/access_log.rb
@@ -1,4 +1,12 @@
 # frozen_string_literal: true
 
 class AccessLog < ApplicationRecord
+  # Las peticiones completas son las que terminaron bien y se
+  # respondieron con 200 OK o 304 Not Modified
+  #
+  # @see {https://en.wikipedia.org/wiki/List_of_HTTP_status_codes}
+  scope :completed_requests, -> { where(request_method: 'GET', request_completion: 'OK', status: [200, 304]) }
+  scope :non_robots, -> { where(crawler: false) }
+  scope :robots, -> { where(crawler: true) }
+  scope :pages, -> { where(sent_http_content_type: ['text/html', 'text/html; charset=utf-8', 'text/html; charset=UTF-8']) }
 end
diff --git a/app/models/deploy_local.rb b/app/models/deploy_local.rb
index 02b837f0..4fa588f5 100644
--- a/app/models/deploy_local.rb
+++ b/app/models/deploy_local.rb
@@ -62,10 +62,15 @@ class DeployLocal < Deploy
       'AIRBRAKE_PROJECT_ID' => site.id.to_s,
       'AIRBRAKE_PROJECT_KEY' => site.airbrake_api_key,
       'JEKYLL_ENV' => Rails.env,
-      'LANG' => ENV['LANG']
+      'LANG' => ENV['LANG'],
+      'YARN_CACHE_FOLDER' => yarn_cache_dir
     }
   end
 
+  def yarn_cache_dir
+    Rails.root.join('_yarn_cache').to_s
+  end
+
   def yarn_lock
     File.join(site.path, 'yarn.lock')
   end
@@ -80,9 +85,9 @@ class DeployLocal < Deploy
 
   # Corre yarn dentro del repositorio
   def yarn
-    return unless yarn_lock?
+    return true unless yarn_lock?
 
-    run 'yarn'
+    run 'yarn install --production'
   end
 
   def bundle
diff --git a/app/models/metadata_boolean.rb b/app/models/metadata_boolean.rb
index 5e4b456f..90c002a7 100644
--- a/app/models/metadata_boolean.rb
+++ b/app/models/metadata_boolean.rb
@@ -25,10 +25,19 @@ class MetadataBoolean < MetadataTemplate
   # * false
   # * true
   def value
-    return document.data.fetch(name.to_s, default_value) if self[:value].nil?
-    return self[:value] unless self[:value].is_a? String
+    case self[:value]
+    when NilClass
+      document.data.fetch(name.to_s, default_value)
+    when String
+      true_values.include? self[:value]
+    else
+      self[:value]
+    end
+  end
 
-    self[:value] = true_values.include? self[:value]
+  # Siempre guardar el valor de este campo a menos que sea nulo
+  def empty?
+    value.nil?
   end
 
   private
diff --git a/app/models/metadata_content.rb b/app/models/metadata_content.rb
index 437a0dd9..9d3a1040 100644
--- a/app/models/metadata_content.rb
+++ b/app/models/metadata_content.rb
@@ -56,7 +56,7 @@ class MetadataContent < MetadataTemplate
         uri = URI element['src']
 
         # No permitimos recursos externos
-        element.remove unless uri.hostname.end_with? Site.domain
+        element.remove unless uri.scheme == 'https' && uri.hostname.end_with?(Site.domain)
       rescue URI::Error
         element.remove
       end
diff --git a/app/models/metadata_float.rb b/app/models/metadata_float.rb
new file mode 100644
index 00000000..b4288a3b
--- /dev/null
+++ b/app/models/metadata_float.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+# Un campo numérico de punto flotante
+class MetadataFloat < MetadataTemplate
+  # Nada
+  def default_value
+    super || nil
+  end
+
+  def save
+    return true unless changed?
+
+    self[:value] = value.to_f
+    self[:value] = encrypt(value) if private?
+
+    true
+  end
+
+  # Indicarle al navegador que acepte números decimales
+  #
+  # @return [Float]
+  def step
+    0.05
+  end
+
+  private
+
+  def decrypt(value)
+    super(value).to_f
+  end
+end
diff --git a/app/models/metadata_permalink.rb b/app/models/metadata_permalink.rb
index 58feb9e5..59b68461 100644
--- a/app/models/metadata_permalink.rb
+++ b/app/models/metadata_permalink.rb
@@ -2,6 +2,12 @@
 
 # Este metadato permite generar rutas manuales.
 class MetadataPermalink < MetadataString
+  # El valor por defecto una vez creado es la URL que le asigne Jekyll,
+  # de forma que nunca cambia aunque se cambie el título.
+  def default_value
+    document.url.sub(%r{\A/}, '') unless post.new?
+  end
+
   # Los permalinks nunca pueden ser privados
   def private?
     false
diff --git a/app/models/metadata_predefined_value.rb b/app/models/metadata_predefined_value.rb
new file mode 100644
index 00000000..9cf36382
--- /dev/null
+++ b/app/models/metadata_predefined_value.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# Un campo de texto seleccionado de una lista de valores posibles
+class MetadataPredefinedValue < MetadataString
+  # Obtiene todos los valores desde el layout, en un formato compatible
+  # con options_for_select.
+  #
+  # @return [Hash]
+  def values
+    @values ||= layout.dig(:metadata, name, 'values', I18n.locale.to_s)&.invert || {}
+  end
+
+  private
+
+  # Solo permite almacenar los valores predefinidos.
+  #
+  # @return [String]
+  def sanitize(string)
+    v = super string
+    return '' unless values.values.include? v
+
+    v
+  end
+end
diff --git a/app/models/site.rb b/app/models/site.rb
index 58f20745..5b78d625 100644
--- a/app/models/site.rb
+++ b/app/models/site.rb
@@ -26,7 +26,7 @@ class Site < ApplicationRecord
   validates :design_id, presence: true
   validates_inclusion_of :status, in: %w[waiting enqueued building]
   validates_presence_of :title
-  validates :description, length: { in: 50..160 }
+  validates :description, length: { in: 10..160 }
   validate :deploy_local_presence
   validate :compatible_layouts, on: :update
 
@@ -37,6 +37,7 @@ class Site < ApplicationRecord
   belongs_to :design
   belongs_to :licencia
 
+  has_many :stats
   has_many :log_entries, dependent: :destroy
   has_many :deploys, dependent: :destroy
   has_many :build_stats, through: :deploys
@@ -65,9 +66,6 @@ class Site < ApplicationRecord
 
   accepts_nested_attributes_for :deploys, allow_destroy: true
 
-  # El sitio en Jekyll
-  attr_reader :jekyll
-
   # XXX: Es importante incluir luego de los callbacks de :load_jekyll
   include Site::Index
 
@@ -180,29 +178,28 @@ class Site < ApplicationRecord
 
   # Trae los datos del directorio _data dentro del sitio
   def data
-    unless @jekyll.data.present?
-      @jekyll.reader.read_data
-
-      # Define los valores por defecto según la llave buscada
-      @jekyll.data.default_proc = proc do |data, key|
-        data[key] = case key
-                    when 'layout' then {}
-                    end
+    unless jekyll.data.present?
+      run_in_path do
+        jekyll.reader.read_data
+        jekyll.data['layouts'] ||= {}
       end
     end
 
-    @jekyll.data
+    jekyll.data
   end
 
   # Traer las colecciones.  Todos los artículos van a estar dentro de
   # colecciones.
   def collections
     unless @read
-      @jekyll.reader.read_collections
+      run_in_path do
+        jekyll.reader.read_collections
+      end
+
       @read = true
     end
 
-    @jekyll.collections
+    jekyll.collections
   end
 
   # Traer la configuración de forma modificable
@@ -290,7 +287,9 @@ class Site < ApplicationRecord
   #
   # @return [Hash]
   def theme_layouts
-    @jekyll.reader.read_layouts
+    run_in_path do
+      jekyll.reader.read_layouts
+    end
   end
 
   # Trae todos los valores disponibles para un campo
@@ -332,6 +331,12 @@ class Site < ApplicationRecord
     status == 'building'
   end
 
+  def jekyll
+    run_in_path do
+      @jekyll ||= Jekyll::Site.new(configuration)
+    end
+  end
+
   # Cargar el sitio Jekyll
   #
   # TODO: En lugar de leer todo junto de una vez, extraer la carga de
@@ -345,10 +350,7 @@ class Site < ApplicationRecord
 
   def reload_jekyll!
     reset
-
-    Dir.chdir(path) do
-      @jekyll = Jekyll::Site.new(configuration)
-    end
+    jekyll
   end
 
   def reload
@@ -526,4 +528,8 @@ class Site < ApplicationRecord
     errors.add(:design_id,
                I18n.t('activerecord.errors.models.site.attributes.design_id.layout_incompatible.error'))
   end
+
+  def run_in_path(&block)
+    Dir.chdir path, &block
+  end
 end
diff --git a/app/models/stat.rb b/app/models/stat.rb
new file mode 100644
index 00000000..5f72ccd0
--- /dev/null
+++ b/app/models/stat.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Registran cuándo fue la última recolección de datos.
+class Stat < ApplicationRecord
+  # XXX: Los intervalos van en orden de mayor especificidad a menor
+  INTERVALS = %i[day month year].freeze
+  RESOURCES = %i[builds space_used build_time].freeze
+
+  belongs_to :site
+end
diff --git a/app/policies/site_stat_policy.rb b/app/policies/site_stat_policy.rb
new file mode 100644
index 00000000..cb62b507
--- /dev/null
+++ b/app/policies/site_stat_policy.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# Política de acceso a las estadísticas
+class SiteStatPolicy
+  attr_reader :site_stat, :usuarie
+
+  def initialize(usuarie, site_stat)
+    @usuarie = usuarie
+    @site_stat = site_stat
+  end
+
+  def index?
+    site_stat.site.usuarie? usuarie
+  end
+
+  def host?
+    index?
+  end
+
+  def resources?
+    index?
+  end
+
+  def uris?
+    index?
+  end
+end
diff --git a/app/services/site_service.rb b/app/services/site_service.rb
index 389549c3..5e2fc706 100644
--- a/app/services/site_service.rb
+++ b/app/services/site_service.rb
@@ -122,6 +122,8 @@ SiteService = Struct.new(:site, :usuarie, :params, keyword_init: true) do
   # la búsqueda.
   def change_licencias
     site.locales.each do |locale|
+      next unless I18n.available_locales.include? locale
+
       Mobility.with_locale(locale) do
         permalink = "#{I18n.t('activerecord.models.licencia').downcase}/"
         post = site.posts(lang: locale).find_by(permalink: permalink)
diff --git a/app/views/posts/attribute_ro/_float.haml b/app/views/posts/attribute_ro/_float.haml
new file mode 100644
index 00000000..67642e2c
--- /dev/null
+++ b/app/views/posts/attribute_ro/_float.haml
@@ -0,0 +1,3 @@
+%tr{ id: attribute }
+  %th= post_label_t(attribute, post: post)
+  %td{ dir: dir, lang: locale }= metadata.value
diff --git a/app/views/posts/attribute_ro/_predefined_value.haml b/app/views/posts/attribute_ro/_predefined_value.haml
new file mode 100644
index 00000000..67642e2c
--- /dev/null
+++ b/app/views/posts/attribute_ro/_predefined_value.haml
@@ -0,0 +1,3 @@
+%tr{ id: attribute }
+  %th= post_label_t(attribute, post: post)
+  %td{ dir: dir, lang: locale }= metadata.value
diff --git a/app/views/posts/attributes/_float.haml b/app/views/posts/attributes/_float.haml
new file mode 100644
index 00000000..6239c613
--- /dev/null
+++ b/app/views/posts/attributes/_float.haml
@@ -0,0 +1,6 @@
+.form-group
+  = label_tag "#{base}_#{attribute}", post_label_t(attribute, post: post)
+  = number_field base, attribute, value: metadata.value, step: metadata.step,
+    **field_options(attribute, metadata)
+  = render 'posts/attribute_feedback',
+    post: post, attribute: attribute, metadata: metadata
diff --git a/app/views/posts/attributes/_predefined_value.haml b/app/views/posts/attributes/_predefined_value.haml
new file mode 100644
index 00000000..b0d21f35
--- /dev/null
+++ b/app/views/posts/attributes/_predefined_value.haml
@@ -0,0 +1,7 @@
+.form-group
+  = label_tag "#{base}_#{attribute}", post_label_t(attribute, post: post)
+  = select_tag(plain_field_name_for(base, attribute),
+    options_for_select(metadata.values, metadata.value),
+    **field_options(attribute, metadata), include_blank: t('.empty'))
+  = render 'posts/attribute_feedback',
+    post: post, attribute: attribute, metadata: metadata
diff --git a/app/views/posts/index.haml b/app/views/posts/index.haml
index 8b776590..90d65670 100644
--- a/app/views/posts/index.haml
+++ b/app/views/posts/index.haml
@@ -40,7 +40,7 @@
   %section.col
     = render 'layouts/flash'
     .d-flex.justify-content-between.align-items-center.pl-2-plus.pr-2-plus.mb-2
-      %form
+      %form{ action: site_posts_path }
         - @filter_params.each do |param, value|
           - next if param == 'q'
           %input{ type: 'hidden', name: param, value: value }
@@ -51,7 +51,7 @@
       - if @site.locales.size > 1
         %nav#locales
           - @site.locales.each do |locale|
-            = link_to t("locales.#{locale}.name"), site_posts_path(@site, **@filter_params.merge(locale: locale)),
+            = link_to @site.data.dig(locale.to_s, 'locale') || locale, site_posts_path(@site, **@filter_params.merge(locale: locale)),
               class: "mr-2 mt-2 mb-2 #{locale == @locale ? 'active font-weight-bold' : ''}"
     .pl-2-plus
       - @filter_params.each do |param, value|
@@ -67,19 +67,24 @@
       %h2= t('posts.empty')
     - else
       = form_tag site_posts_reorder_path, method: :post do
+        %input{ type: 'hidden', name: 'post[lang]', value: @locale }
         %table.table{ data: { controller: 'reorder' } }
           %caption.sr-only= t('posts.caption')
           %thead
             %tr
               %th.border-0.background-white.position-sticky{ style: 'top: 0; z-index: 2', colspan: '4' }
-                = submit_tag t('posts.reorder.submit'), class: 'btn'
-                %button.btn{ data: { action: 'reorder#unselect' } }
-                  = t('posts.reorder.unselect')
-                  %span.badge{ data: { target: 'reorder.counter' } } 0
-                %button.btn{ data: { action: 'reorder#up' } }= t('posts.reorder.up')
-                %button.btn{ data: { action: 'reorder#down' } }= t('posts.reorder.down')
-                %button.btn{ data: { action: 'reorder#top' } }= t('posts.reorder.top')
-                %button.btn{ data: { action: 'reorder#bottom' } }= t('posts.reorder.bottom')
+                .d-flex.flex-row.justify-content-between
+                  %div
+                    = submit_tag t('posts.reorder.submit'), class: 'btn'
+                    %button.btn{ data: { action: 'reorder#unselect' } }
+                      = t('posts.reorder.unselect')
+                      %span.badge{ data: { target: 'reorder.counter' } } 0
+                    %button.btn{ data: { action: 'reorder#up' } }= t('posts.reorder.up')
+                    %button.btn{ data: { action: 'reorder#down' } }= t('posts.reorder.down')
+                    %button.btn{ data: { action: 'reorder#top' } }= t('posts.reorder.top')
+                    %button.btn{ data: { action: 'reorder#bottom' } }= t('posts.reorder.bottom')
+
+                  %div
           %tbody
             - dir = t("locales.#{@locale}.dir")
             - size = @posts.size
@@ -104,19 +109,19 @@
                       %span{ lang: post.locale, dir: dir }= post.title
                     - if post.front_matter['draft'].present?
                       %span.badge.badge-primary= I18n.t('posts.attributes.draft.label')
-                    - if post.front_matter['categories'].present?
-                      %br
-                      %small
-                        - post.front_matter['categories'].each do |category|
-                          = link_to site_posts_path(@site, **@filter_params.merge(category: category)) do
-                            %span{ lang: post.locale, dir: dir }= category
-                          = '/' unless post.front_matter['categories'].last == category
+                    %br
+                    %small
+                      = link_to @site.layouts[post.layout].humanized_name, site_posts_path(@site, **@filter_params.merge(layout: post.layout))
+                      - post.front_matter['categories']&.each do |category|
+                        = link_to site_posts_path(@site, **@filter_params.merge(category: category)) do
+                          %span{ lang: post.locale, dir: dir }= category
+                        = '/' unless post.front_matter['categories'].last == category
 
-                  %td
+                  %td.text-nowrap
                     = post.created_at.strftime('%F')
                     %br/
                     = post.order
-                  %td
+                  %td.text-nowrap
                     - if @usuarie || policy(post).edit?
                       = link_to t('posts.edit'), edit_site_post_path(@site, post.path), class: 'btn btn-block'
                     - if @usuarie || policy(post).destroy?
diff --git a/app/views/posts/show.haml b/app/views/posts/show.haml
index da6ac9db..e46114af 100644
--- a/app/views/posts/show.haml
+++ b/app/views/posts/show.haml
@@ -38,4 +38,4 @@
 
         - cache [metadata, I18n.locale] do
           %section.editor{ id: attr, dir: dir }
-            = @post.public_send(attr).to_s.html_safe
+            = @post.public_send(attr).value.html_safe
diff --git a/app/views/sites/_form.haml b/app/views/sites/_form.haml
index d26eeebf..6f15d570 100644
--- a/app/views/sites/_form.haml
+++ b/app/views/sites/_form.haml
@@ -39,7 +39,7 @@
     %h2= f.label :description
     %p.lead= t('.help.description')
     = f.text_area :description, class: form_control(site, :description),
-      maxlength: 160, minlength: 50, required: true
+      maxlength: 160, minlength: 10, required: true
     - if invalid? site, :description
       .invalid-feedback= site.errors.messages[:description].join(', ')
     %hr/
diff --git a/app/views/stats/index.haml b/app/views/stats/index.haml
index f49cdd15..bfcf33ef 100644
--- a/app/views/stats/index.haml
+++ b/app/views/stats/index.haml
@@ -1,17 +1,43 @@
-= render 'layouts/breadcrumb',
-  crumbs: [link_to(t('sites.index.title'), sites_path),
-  link_to(@site.name, site_path(@site)), t('.title')]
-
 .row
   .col
     %h1= t('.title')
     %p.lead= t('.help')
+    - if @last_stat
+      %p
+        %small
+          = t('.last_update')
+          %time{ datetime: @last_stat.created_at }
+            #{time_ago_in_words @last_stat.created_at}.
 
-    %table.table.table-condensed
-      %tbody
-        %tr
-          %td= t('.build.average')
-          %td= distance_of_time_in_words_if_more_than_a_minute @build_avg
-        %tr
-          %td= t('.build.maximum')
-          %td= distance_of_time_in_words_if_more_than_a_minute @build_max
+    .mb-5
+      - Stat::INTERVALS.each do |interval|
+        = link_to t(".#{interval}"), site_stats_path(interval: interval, urls: params[:urls]), class: "btn #{'btn-primary active' if @interval == interval}"
+
+    .mb-5
+      %h2= t('.host.title', count: @hostnames.size)
+      %p.lead= t('.host.description')
+      = line_chart site_stats_host_path(@chart_params), **@chart_options
+
+    .mb-5
+      %h2= t('.urls.title')
+      %p.lead= t('.urls.description')
+      %form
+        %input{ type: 'hidden', name: 'interval', value: @interval }
+        .form-group
+          %label{ for: 'urls' }= t('.urls.label')
+          %textarea#urls.form-control{ name: 'urls', autocomplete: 'on', required: true, rows: @normalized_urls.size, aria_describedby: 'help-urls' }= @normalized_urls.join("\n")
+          %small#help-urls.feedback.form-text.text-muted= t('.urls.help')
+        .form-group
+          %button.btn{ type: 'submit' }= t('.urls.submit')
+      - if @normalized_urls.present?
+        = line_chart site_stats_uris_path(urls: params[:urls], **@chart_params), **@chart_options
+
+    .mb-5
+      %h2= t('.resources.title')
+      %p.lead= t('.resources.description')
+
+    - Stat::RESOURCES.each do |resource|
+      .mb-5
+        %h3= t(".resources.#{resource}.title")
+        %p.lead= t(".resources.#{resource}.description")
+        = line_chart site_stats_resources_path(resource: resource, **@chart_params), **@chart_options.merge(StatsController::EXTRA_OPTIONS[resource])
diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index 35b309ea..0e18b987 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -11,6 +11,8 @@ ActiveSupport::Inflector.inflections(:en) do |inflect|
   inflect.singular 'licencias', 'licencia'
   inflect.plural 'rol', 'roles'
   inflect.singular 'roles', 'rol'
+  inflect.plural 'rollup', 'rollups'
+  inflect.singular 'rollups', 'rollup'
 end
 
 ActiveSupport::Inflector.inflections(:es) do |inflect|
@@ -24,4 +26,6 @@ ActiveSupport::Inflector.inflections(:es) do |inflect|
   inflect.singular 'roles', 'rol'
   inflect.plural 'licencia', 'licencias'
   inflect.singular 'licencias', 'licencia'
+  inflect.plural 'rollup', 'rollups'
+  inflect.singular 'rollups', 'rollup'
 end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 18faa8bb..639d9184 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -19,8 +19,8 @@ en:
     remember_me: 'Keeps session open for %{remember_for}'
   actions:
     sr-help: "After this form you'll find links to recover your account and other actions."
-  _true: Yes
-  _false: No
+  _true: 'Yes'
+  _false: 'No'
   svg:
     sutty:
       title: Sutty
@@ -163,7 +163,7 @@ en:
       signature: 'With love, Sutty'
     breadcrumb:
       title: 'Your location in Sutty'
-      logout: Exit
+      logout: Log out 
       mutual_aid: Mutual aid
   collaborations:
     collaborate:
@@ -252,9 +252,38 @@ en:
       help: |
         These statistics show information about how your site is generated and
         how many resources it uses.
-      build:
-        average: 'Average building time'
-        maximum: 'Maximum building time'
+      last_update: 'Updated every hour.  Last update on '
+      empty: 'There is no enough information yet.  We invite you to come back in %{please_return_at}!'
+      loading: 'Loading...'
+      hour: 'Hourly'
+      day: 'Daily'
+      week: 'Weekly'
+      month: 'Monthly'
+      year: 'Yearly'
+      host:
+        title:
+          zero: 'Site visits'
+          one: 'Site visits'
+          other: 'Visits by domain name'
+        description: 'Counts visited pages on your site, grouped by domain names in use.'
+      urls:
+        title: 'Visits by URL'
+        description: 'Counts visits or downloads on any URL.'
+        label: 'URLs ("links")'
+        help: 'Copy and paste a single URL per line'
+        submit: 'Update graph'
+      resources:
+        title: 'Resource usage'
+        description: "In this section you can find statistics on your site's use of Sutty's shared resources"
+        builds:
+          title: 'Site publication'
+          description: 'Times you published your site.'
+        space_used:
+          title: 'Server disk usage'
+          description: 'Average storage space used by your site.'
+        build_time:
+          title: 'Publication time'
+          description: 'Average time your site takes to build.'
   sites:
     donations:
       url: 'https://donaciones.sutty.nl/en/'
@@ -376,6 +405,8 @@ en:
     en: 'English'
     ar: 'Arabic'
   posts:
+    prev: Previous page
+    next: Next page
     empty: "There are no results for those search parameters."
     caption: Post list
     attribute_ro:
@@ -413,6 +444,8 @@ en:
         destroy: Remove image
       belongs_to:
         empty: "(Empty)"
+      predefined_value:
+        empty: "(Empty)"
       draft:
         label: Draft
     reorder:
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 5229a591..86e156df 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -19,8 +19,8 @@ es:
     remember_me: 'Mantiene la sesión abierta por %{remember_for}'
   actions:
     sr-help: 'Después del formulario encontrarás vínculos para recuperar tu cuenta, entre otras acciones.'
-  _true: Sí
-  _false: No
+  _true: 'Sí'
+  _false: 'No'
   svg:
     sutty:
       title: Sutty
@@ -163,7 +163,7 @@ es:
       signature: 'Con cariño, Sutty'
     breadcrumb:
       title: 'Tu ubicación en Sutty'
-      logout: Salir
+      logout: Cerrar sesión 
       mutual_aid: Ayuda mutua
   collaborations:
     collaborate:
@@ -257,9 +257,38 @@ es:
       help: |
         Las estadísticas visibilizan información sobre cómo se genera y
         cuántos recursos utiliza tu sitio.
-      build:
-        average: 'Tiempo promedio de generación'
-        maximum: 'Tiempo máximo de generación'
+      last_update: 'Actualizadas cada hora.  Última actualización hace '
+      empty: 'Todavía no hay información suficiente. Te invitamos a volver en %{please_return_at} :)'
+      loading: 'Cargando...'
+      hour: 'Por hora'
+      day: 'Diarias'
+      week: 'Semanales'
+      month: 'Mensuales'
+      year: 'Anuales'
+      host:
+        title:
+          zero: 'Visitas del sitio'
+          one: 'Visitas del sitio'
+          other: 'Visitas agrupadas por nombre de dominio del sitio'
+        description: 'Cuenta la cantidad de páginas visitadas en tu sitio.'
+      urls:
+        title: 'Visitas por dirección'
+        description: 'Cantidad de visitas o descargas por dirección.'
+        label: 'Direcciones web (URL, "links", vínculos)'
+        help: 'Copia y pega una dirección por línea.'
+        submit: 'Actualizar gráfico'
+      resources:
+        title: 'Uso de recursos'
+        description: 'En esta sección podrás acceder a estadísticas del uso de recursos compartidos con otros sitios alojados en Sutty.'
+        builds:
+          title: 'Publicaciones del sitio'
+          description: 'Cantidad de veces que publicaste tu sitio.'
+        space_used:
+          title: 'Espacio utilizado en el servidor'
+          description: 'Espacio en disco que ocupa en promedio tu sitio.'
+        build_time:
+          title: 'Tiempo de publicación'
+          description: 'Tiempo promedio que toma en publicarse tu sitio.'
   sites:
     donations:
       url: 'https://donaciones.sutty.nl/'
@@ -384,6 +413,8 @@ es:
     en: 'inglés'
     ar: 'árabe'
   posts:
+    prev: Página anterior
+    next: Página siguiente
     empty: No hay artículos con estos parámetros de búsqueda.
     caption: Lista de artículos
     attribute_ro:
@@ -421,6 +452,8 @@ es:
         destroy: 'Eliminar imagen'
       belongs_to:
         empty: "(Vacío)"
+      predefined_value:
+        empty: "(Vacío)"
       draft:
         label: Borrador
     reorder:
diff --git a/config/routes.rb b/config/routes.rb
index 186dd66f..c323f556 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -58,9 +58,10 @@ Rails.application.routes.draw do
 
     # Gestionar artículos según idioma
     nested do
-      scope '(:locale)' do
+      scope '/(:locale)', constraint: /[a-z]{2}/ do
         post :'posts/reorder', to: 'posts#reorder'
         resources :posts do
+          get 'p/:page', action: :index, on: :collection
           get :preview, to: 'posts#preview'
         end
       end
@@ -74,5 +75,10 @@ Rails.application.routes.draw do
     # Compilar el sitio
     post 'enqueue', to: 'sites#enqueue'
     post 'reorder_posts', to: 'sites#reorder_posts'
+
+    resources :stats, only: [:index]
+    get :'stats/host', to: 'stats#host'
+    get :'stats/uris', to: 'stats#uris'
+    get :'stats/resources', to: 'stats#resources'
   end
 end
diff --git a/db/migrate/20210722191718_add_request_uri_to_access_logs.rb b/db/migrate/20210722191718_add_request_uri_to_access_logs.rb
new file mode 100644
index 00000000..3d225aed
--- /dev/null
+++ b/db/migrate/20210722191718_add_request_uri_to_access_logs.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Agrega la columna de request_uri a la tabla de logs
+class AddRequestUriToAccessLogs < ActiveRecord::Migration[6.1]
+  def change
+    return unless Rails.env.production?
+
+    add_column :access_logs, :request_uri, :string, default: ''
+  end
+end
diff --git a/db/migrate/20210807003928_create_rollups.rb b/db/migrate/20210807003928_create_rollups.rb
new file mode 100644
index 00000000..932513a4
--- /dev/null
+++ b/db/migrate/20210807003928_create_rollups.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+# Crear la tabla de Rollups
+class CreateRollups < ActiveRecord::Migration[6.1]
+  def change
+    create_table :rollups do |t|
+      t.string :name, null: false
+      t.string :interval, null: false
+      t.datetime :time, null: false
+      t.jsonb :dimensions, null: false, default: {}
+      t.float :value
+    end
+    add_index :rollups, %i[name interval time dimensions], unique: true
+  end
+end
diff --git a/db/migrate/20210807004941_add_create_at_to_access_logs.rb b/db/migrate/20210807004941_add_create_at_to_access_logs.rb
new file mode 100644
index 00000000..0e106061
--- /dev/null
+++ b/db/migrate/20210807004941_add_create_at_to_access_logs.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+# Cambia los msec a datetime para poder agregar por tiempos
+class AddCreateAtToAccessLogs < ActiveRecord::Migration[6.1]
+  def up
+    add_column :access_logs, :created_at, :datetime, precision: 6
+
+    create_trigger(compatibility: 1).on(:access_logs).before(:insert) do
+      'new.created_at := to_timestamp(new.msec)'
+    end
+
+    ActiveRecord::Base.connection.execute('update access_logs set created_at = to_timestamp(msec);')
+  end
+
+  def down
+    remove_column :access_logs, :created_at
+  end
+end
diff --git a/db/migrate/20210926205448_add_uniqueness.rb b/db/migrate/20210926205448_add_uniqueness.rb
new file mode 100644
index 00000000..7399ba4c
--- /dev/null
+++ b/db/migrate/20210926205448_add_uniqueness.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Agrega índices únicos que pensábamos que ya existían.
+class AddUniqueness < ActiveRecord::Migration[6.1]
+  def change
+    add_index :designs, :name, unique: true
+    add_index :designs, :gem, unique: true
+    add_index :licencias, :name, unique: true
+  end
+end
diff --git a/db/migrate/20211008201239_create_stats.rb b/db/migrate/20211008201239_create_stats.rb
new file mode 100644
index 00000000..e1aff8f6
--- /dev/null
+++ b/db/migrate/20211008201239_create_stats.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# Una tabla que lleva el recuento de recolección de estadísticas, solo
+# es necesario para saber cuándo se hicieron, si se hicieron y usar como
+# caché.
+class CreateStats < ActiveRecord::Migration[6.1]
+  def change
+    create_table :stats do |t|
+      t.timestamps
+    end
+  end
+end
diff --git a/package.json b/package.json
index 6340651f..d520c8f5 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,8 @@
     "@rails/ujs": "^6.1.3-1",
     "@rails/webpacker": "5.2.1",
     "babel-loader": "^8.2.2",
-    "chart.js": "2.9.3",
-    "chartkick": "3.2.1",
+    "chart.js": "^3.5.1",
+    "chartkick": "^4.0.5",
     "circular-dependency-plugin": "^5.2.2",
     "commonmark": "^0.29.0",
     "fork-awesome": "^1.1.7",
diff --git a/yarn.lock b/yarn.lock
index b478ff67..50342862 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2119,33 +2119,24 @@ chalk@^4.1.0:
     ansi-styles "^4.1.0"
     supports-color "^7.1.0"
 
-chart.js@2.9.3:
-  version "2.9.3"
-  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-2.9.3.tgz#ae3884114dafd381bc600f5b35a189138aac1ef7"
-  integrity sha512-+2jlOobSk52c1VU6fzkh3UwqHMdSlgH1xFv9FKMqHiNCpXsGPQa/+81AFa+i3jZ253Mq9aAycPwDjnn1XbRNNw==
-  dependencies:
-    chartjs-color "^2.1.0"
-    moment "^2.10.2"
+chart.js@>=3.0.2, chart.js@^3.5.1:
+  version "3.5.1"
+  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-3.5.1.tgz#73e24d23a4134a70ccdb5e79a917f156b6f3644a"
+  integrity sha512-m5kzt72I1WQ9LILwQC4syla/LD/N413RYv2Dx2nnTkRS9iv/ey1xLTt0DnPc/eWV4zI+BgEgDYBIzbQhZHc/PQ==
 
-chartjs-color-string@^0.6.0:
-  version "0.6.0"
-  resolved "https://registry.yarnpkg.com/chartjs-color-string/-/chartjs-color-string-0.6.0.tgz#1df096621c0e70720a64f4135ea171d051402f71"
-  integrity sha512-TIB5OKn1hPJvO7JcteW4WY/63v6KwEdt6udfnDE9iCAZgy+V4SrbSxoIbTw/xkUIapjEI4ExGtD0+6D3KyFd7A==
-  dependencies:
-    color-name "^1.0.0"
+chartjs-adapter-date-fns@>=2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/chartjs-adapter-date-fns/-/chartjs-adapter-date-fns-2.0.0.tgz#5e53b2f660b993698f936f509c86dddf9ed44c6b"
+  integrity sha512-rmZINGLe+9IiiEB0kb57vH3UugAtYw33anRiw5kS2Tu87agpetDDoouquycWc9pRsKtQo5j+vLsYHyr8etAvFw==
 
-chartjs-color@^2.1.0:
-  version "2.4.1"
-  resolved "https://registry.yarnpkg.com/chartjs-color/-/chartjs-color-2.4.1.tgz#6118bba202fe1ea79dd7f7c0f9da93467296c3b0"
-  integrity sha512-haqOg1+Yebys/Ts/9bLo/BqUcONQOdr/hoEr2LLTRl6C5LXctUdHxsCYfvQVg5JIxITrfCNUDr4ntqmQk9+/0w==
-  dependencies:
-    chartjs-color-string "^0.6.0"
-    color-convert "^1.9.3"
-
-chartkick@3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/chartkick/-/chartkick-3.2.1.tgz#a80c2005ae353c5ae011d0a756b6f592fc8fc7a9"
-  integrity sha512-zV0kUeZNqrX28AmPt10QEDXHKadbVFOTAFkCMyJifHzGFkKzGCDXxVR8orZ0fC1HbePzRn5w6kLCOVxDQbMUCg==
+chartkick@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/chartkick/-/chartkick-4.0.5.tgz#310a60c931e8ceedc39adee2ef8e9d1e474cb0e6"
+  integrity sha512-xKak4Fsgfvp1hj/LykRKkniDMaZASx2A4TdVc/sfsiNFFNf1m+D7PGwP1vgj1UsbsCjOCSfGWWyJpOYxkUCBug==
+  optionalDependencies:
+    chart.js ">=3.0.2"
+    chartjs-adapter-date-fns ">=2.0.0"
+    date-fns ">=2.0.0"
 
 chokidar@^2.1.8:
   version "2.1.8"
@@ -2772,6 +2763,11 @@ dashdash@^1.12.0:
   dependencies:
     assert-plus "^1.0.0"
 
+date-fns@>=2.0.0:
+  version "2.24.0"
+  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.24.0.tgz#7d86dc0d93c87b76b63d213b4413337cfd1c105d"
+  integrity sha512-6ujwvwgPID6zbI0o7UbURi2vlLDR9uP26+tW6Lg+Ji3w7dd0i3DOcjcClLjLPranT60SSEFBwdSyYwn/ZkPIuw==
+
 debug@2.6.9, debug@^2.2.0, debug@^2.3.3:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"