diff --git a/.env.example b/.env.example
index 2ba46219..a1348593 100644
--- a/.env.example
+++ b/.env.example
@@ -29,3 +29,6 @@ TIENDA=tienda.sutty.local
 PANEL_URL=https://panel.sutty.nl
 AIRBRAKE_SITE_ID=1
 AIRBRAKE_API_KEY=
+GITLAB_URI=https://0xacab.org
+GITLAB_PROJECT=
+GITLAB_TOKEN=
diff --git a/Dockerfile b/Dockerfile
index 3781772b..0b3253b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -53,7 +53,7 @@ RUN cd ../checkout && git checkout $BRANCH
 
 WORKDIR /home/app/checkout
 # Traer las gemas:
-RUN rm -r ./vendor
+RUN rm -rf ./vendor
 RUN mv ../sutty/vendor ./vendor
 RUN mv ../sutty/.bundle ./.bundle
 
diff --git a/Gemfile b/Gemfile
index bcae7fa8..4256e307 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,13 +41,14 @@ gem 'hiredis'
 gem 'image_processing'
 gem 'icalendar'
 gem 'inline_svg'
+gem 'httparty'
 gem 'safe_yaml', source: 'https://gems.sutty.nl'
 gem 'jekyll', '~> 4.2'
 gem 'jekyll-data', source: 'https://gems.sutty.nl'
 gem 'jekyll-commonmark'
 gem 'jekyll-images'
 gem 'jekyll-include-cache'
-gem 'sutty-liquid'
+gem 'sutty-liquid', '>= 0.7.3'
 gem 'loaf'
 gem 'lockbox'
 gem 'mini_magick'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4bb46a44..aed60b18 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -574,7 +574,7 @@ GEM
       jekyll-include-cache (~> 0)
       jekyll-relative-urls (~> 0.0)
       jekyll-seo-tag (~> 2.1)
-    sutty-liquid (0.7.2)
+    sutty-liquid (0.7.3)
       fast_blank (~> 1.0)
       jekyll (~> 4)
     sutty-minima (2.5.0)
@@ -657,6 +657,7 @@ DEPENDENCIES
   haml-lint
   hamlit-rails
   hiredis
+  httparty
   icalendar
   image_processing
   inline_svg
@@ -706,7 +707,7 @@ DEPENDENCIES
   sucker_punch
   sutty-donaciones-jekyll-theme
   sutty-jekyll-theme
-  sutty-liquid
+  sutty-liquid (>= 0.7.3)
   sutty-minima
   symbol-fstring
   terminal-table
diff --git a/Makefile b/Makefile
index 29e31dfe..059b6620 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,8 @@ public/packs/manifest.json.br: $(assets)
 
 assets: public/packs/manifest.json.br
 
-test/%_test.rb: always
+tests := $(shell find test/ -name "*_test.rb")
+$(tests): always
 	$(hain) 'cd /Sutty/sutty; bundle exec rake test TEST="$@" RAILS_ENV=test'
 
 test: always
@@ -54,6 +55,9 @@ rake:
 bundle:
 	$(hain) 'cd /Sutty/sutty; bundle $(args)'
 
+yarn:
+	$(hain) 'yarn $(args)'
+
 # Servir JS con el dev server.
 # Esto acelera la compilación del javascript, tiene que correrse por separado
 # de serve.
@@ -122,10 +126,19 @@ ota: assets
 	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:
 	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/
+	ssh $(delegate) docker cp /tmp/patches-$(commit) $(container):/tmp/
+	ssh $(delegate) docker cp /tmp/ota.sh $(container):/usr/local/bin/ota
+	ssh $(delegate) docker exec $(container) apk add --no-cache patch
+	ssh $(delegate) docker exec $(container) ota $(commit)
 	rm ./0*.patch
 
 /etc/hosts: always
diff --git a/app/jobs/backtrace_job.rb b/app/jobs/backtrace_job.rb
index eab9f226..86a9b2a6 100644
--- a/app/jobs/backtrace_job.rb
+++ b/app/jobs/backtrace_job.rb
@@ -40,7 +40,7 @@ class BacktraceJob < ApplicationJob
     begin
       raise BacktraceException, "#{origin}: #{message}"
     rescue BacktraceException => e
-      ExceptionNotifier.notify_exception(e, data: { site: site.name, params: params, _backtrace: true })
+      ExceptionNotifier.notify_exception(e, data: { site: site.name, params: params, javascript_backtrace: true })
     end
   end
 
diff --git a/app/jobs/gitlab_notifier_job.rb b/app/jobs/gitlab_notifier_job.rb
new file mode 100644
index 00000000..7218f68a
--- /dev/null
+++ b/app/jobs/gitlab_notifier_job.rb
@@ -0,0 +1,260 @@
+# frozen_string_literal: true
+
+# Notifica excepciones a una instancia de Gitlab, como incidencias
+# nuevas o como comentarios a las incidencias pre-existentes.
+class GitlabNotifierJob < ApplicationJob
+  include ExceptionNotifier::BacktraceCleaner
+
+  # Variables que vamos a acceder luego
+  attr_reader :exception, :options, :issue_data, :cached
+
+  queue_as :low_priority
+
+  # @param [Exception] la excepción lanzada
+  # @param [Hash] opciones de ExceptionNotifier
+  def perform(exception, **options)
+    @exception = exception
+    @options = options
+    @issue_data = { count: 1 }
+    # Necesitamos saber si el issue ya existía
+    @cached = false
+
+    # Traemos los datos desde la caché si existen, sino generamos un
+    # issue nuevo e inicializamos la caché
+    @issue_data = Rails.cache.fetch(cache_key) do
+      issue = client.new_issue confidential: true, title: title, description: description, issue_type: 'incident'
+      @cached = true
+
+      {
+        count: 1,
+        issue: issue['iid'],
+        user_agents: [user_agent].compact,
+        params: [request&.filtered_parameters].compact,
+        urls: [url].compact
+      }
+    end
+
+    # No seguimos actualizando si acabamos de generar el issue
+    return if cached
+
+    # Incrementar la cuenta de veces que ocurrió
+    issue_data[:count] += 1
+    # Guardar información útil
+    issue_data[:urls] << url unless issue_data[:urls].include? url
+    issue_data[:user_agents] << user_agent unless issue_data[:user_agents].include? user_agent
+
+    # Editar el título para que incluya la cuenta de eventos
+    client.edit_issue(iid: issue_data[:issue], title: title, state_event: 'reopen')
+
+    # Agregar un comentario con la información posiblemente nueva
+    client.new_note(iid: issue_data[:issue], body: body)
+
+    # Guardar para después
+    Rails.cache.write(cache_key, issue_data)
+  # Si este trabajo genera una excepción va a entrar en un loop, así que
+  # la notificamos por correo
+  rescue Exception => e
+    email_notification.call(e)
+    email_notification.call(exception, options)
+  end
+
+  private
+
+  # Notificar por correo
+  #
+  # @return [ExceptionNotifier::EmailNotifier]
+  def email_notification
+    @email_notification ||= ExceptionNotifier::EmailNotifier.new(email_prefix: '[ERROR] ', sender_address: ENV['DEFAULT_FROM'], exception_recipients: ENV['EXCEPTION_TO'])
+  end
+
+  # La llave en la cache tiene en cuenta la excepción, el mensaje, la
+  # ruta del backtrace y los errores de JS
+  #
+  # @return [String]
+  def cache_key
+    @cache_key ||= [
+      exception.class.name,
+      Digest::SHA1.hexdigest(exception.message),
+      Digest::SHA1.hexdigest(backtrace&.first.to_s),
+      Digest::SHA1.hexdigest(options.dig(:data, :params, 'errors').to_s)
+    ].join('/')
+  end
+
+  # Define si es una excepción de javascript o local
+  #
+  # @see BacktraceJob
+  # @return [Boolean]
+  def javascript?
+    @javascript ||= options.dig(:data, :javascript_backtrace).present?
+  end
+
+  # Título
+  #
+  # @return [String]
+  def title
+    @title ||= ''.dup.tap do |t|
+      t << "[#{exception.class}] " unless javascript?
+      t << exception.message
+      t << " [#{issue_data[:count]}]"
+    end
+  end
+
+  # Descripción
+  #
+  # @return [String]
+  def description
+    @description ||= ''.dup.tap do |d|
+      d << request_section
+      d << javascript_section
+      d << javascript_footer
+      d << backtrace_section
+      d << data_section
+    end
+  end
+
+  # Comentario
+  #
+  # @return [String]
+  def body
+    @body ||= ''.dup.tap do |b|
+      b << request_section
+      b << javascript_footer
+      b << data_section
+    end
+  end
+
+  # Cadena de archivos donde se produjo el error
+  #
+  # @return [Array,Nil]
+  def backtrace
+    @backtrace ||= exception.backtrace ? clean_backtrace(exception) : nil
+  end
+
+  # Entorno del error
+  #
+  # @return [Hash]
+  def env
+    options[:env]
+  end
+
+  # Genera una petición a partir del entorno
+  #
+  # @return [ActionDispatch::Request]
+  def request
+    @request ||= ActionDispatch::Request.new(env) if env.present?
+  end
+
+  # Cliente de la API de Gitlab
+  #
+  # @return [GitlabApiClient]
+  def client
+    @client ||= GitlabApiClient.new
+  end
+
+  # Muestra información de la petición
+  #
+  # @return [String]
+  def request_section
+    return '' unless request
+
+    <<~REQUEST
+
+      # Request
+
+      ```
+      #{request.request_method} #{url}
+
+      #{pp request.filtered_parameters}
+      ```
+
+    REQUEST
+  end
+
+  # Muestra información de JavaScript
+  #
+  # @return [String]
+  def javascript_section
+    return '' unless javascript?
+
+    options.dig(:data, :params, 'errors')&.map do |error|
+      # Algunos errores no son excepciones (?)
+      error['type'] = 'undefined' if error['type'].blank?
+
+      <<~JAVASCRIPT
+
+        ## #{error['type']}: #{error['message']}
+
+        ```
+        #{Terminal::Table.new headings: error['backtrace'].first.keys, rows: error['backtrace'].map(&:values)}
+        ```
+
+      JAVASCRIPT
+    end&.join
+  end
+
+  # Muestra información de la visita que generó el error en JS
+  #
+  # @return [String]
+  def javascript_footer
+    return '' unless javascript?
+
+    <<~JAVASCRIPT
+
+      #{user_agent}
+
+      <#{url}>
+
+    JAVASCRIPT
+  end
+
+  # Muestra el historial del error en Ruby
+  #
+  # @return [String]
+  def backtrace_section
+    return '' if javascript?
+    return '' unless backtrace
+
+    <<~BACKTRACE
+
+      ## Backtrace
+
+      ```
+      #{backtrace.join("\n")}
+      ```
+
+    BACKTRACE
+  end
+
+  # Muestra datos extra de la visita
+  #
+  # @return [String]
+  def data_section
+    return '' unless options[:data]
+
+    <<~DATA
+
+      ## Data
+
+      ```
+      #{pp options[:data]}
+      ```
+
+    DATA
+  end
+
+  # Obtiene el UA de este error
+  #
+  # @return [String]
+  def user_agent
+    @user_agent ||= options.dig(:data, :params, 'context', 'userAgent') if javascript?
+    @user_agent ||= request.headers['user-agent'] if request
+    @user_agent
+  end
+
+  # Obtiene la URL actual
+  #
+  # @return [String]
+  def url
+    @url ||= request&.url || options.dig(:data, :params, 'context', 'url')
+  end
+end
diff --git a/app/lib/exception_notifier/gitlab_notifier.rb b/app/lib/exception_notifier/gitlab_notifier.rb
new file mode 100644
index 00000000..18bfc6d4
--- /dev/null
+++ b/app/lib/exception_notifier/gitlab_notifier.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module ExceptionNotifier
+  # Notifica las excepciones como incidencias en Gitlab
+  class GitlabNotifier
+    def initialize(_); end
+
+    # Recibe la excepción y empieza la tarea de notificación en segundo
+    # plano.
+    #
+    # @param [Exception]
+    # @param [Hash]
+    def call(exception, **options)
+      GitlabNotifierJob.perform_async(exception, **options)
+    end
+  end
+end
diff --git a/app/lib/gitlab_api_client.rb b/app/lib/gitlab_api_client.rb
new file mode 100644
index 00000000..5b1287d6
--- /dev/null
+++ b/app/lib/gitlab_api_client.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+require 'httparty'
+
+class GitlabApiClient
+  include HTTParty
+
+  # TODO: Hacer configurable por sitio
+  base_uri ENV.fetch('GITLAB_URI', 'https://0xacab.org')
+  # No seguir redirecciones.  Si nos olvidamos https:// en la dirección,
+  # las redirecciones nos pueden llevar a cualquier lado y obtener
+  # resultados diferentes.
+  no_follow true
+
+  # Trae todos los proyectos.  Como estamos usando un Project Token,
+  # siempre va a traer uno solo.
+  #
+  # @return [HTTParty::Response]
+  def projects
+    self.class.get('/api/v4/projects', { query: { membership: true }, headers: headers })
+  end
+
+  # Obtiene el identificador del proyecto
+  #
+  # @return [Integer]
+  def project_id
+    @project_id ||= ENV['GITLAB_PROJECT'] || projects&.first&.dig('id')
+  end
+
+  # Crea un issue
+  #
+  # @see https://docs.gitlab.com/ee/api/issues.html#new-issue
+  # @return [HTTParty::Response]
+  def new_issue(**args)
+    self.class.post("/api/v4/projects/#{project_id}/issues", { body: args, headers: headers })
+  end
+
+  # Modifica un issue
+  #
+  # @see https://docs.gitlab.com/ee/api/issues.html#edit-issue
+  # @return [HTTParty::Response]
+  def edit_issue(iid:, **args)
+    self.class.put("/api/v4/projects/#{project_id}/issues/#{iid}", { body: args, headers: headers })
+  end
+
+  # Crea un comentario
+  #
+  # @see https://docs.gitlab.com/ee/api/notes.html#create-new-issue-note
+  # @return [HTTParty::Response]
+  def new_note(iid:, **args)
+    self.class.post("/api/v4/projects/#{project_id}/issues/#{iid}/notes", { body: args, headers: headers })
+  end
+
+  private
+
+  def headers(extra = {})
+    { 'Authorization' => "Bearer #{ENV['GITLAB_TOKEN']}" }.merge(extra)
+  end
+end
diff --git a/app/models/metadata_array.rb b/app/models/metadata_array.rb
index 0527ccb8..368aa546 100644
--- a/app/models/metadata_array.rb
+++ b/app/models/metadata_array.rb
@@ -28,7 +28,7 @@ class MetadataArray < MetadataTemplate
   #
   # @return [Array]
   def document_value
-    [super].flatten(1)
+    [super].flatten(1).compact
   end
 
   alias indexable_values value
diff --git a/app/views/exception_notifier/_backtrace.text.erb b/app/views/exception_notifier/_backtrace.text.erb
index d62b5719..aed7adbe 100644
--- a/app/views/exception_notifier/_backtrace.text.erb
+++ b/app/views/exception_notifier/_backtrace.text.erb
@@ -1,4 +1,4 @@
-<% unless @data[:_backtrace] %>
+<% unless @data[:javascript_backtrace] %>
 ```
 <%= raw @backtrace.join("\n") %>
 ```
diff --git a/app/views/exception_notifier/_data.text.erb b/app/views/exception_notifier/_data.text.erb
index 09313f4c..acb94b89 100644
--- a/app/views/exception_notifier/_data.text.erb
+++ b/app/views/exception_notifier/_data.text.erb
@@ -1,4 +1,4 @@
-<% if @data[:_backtrace] %>
+<% if @data[:javascript_backtrace] %>
 <% @data.dig(:params, 'errors')&.each do |error| %>
 # <%= error['type'] %>: <%= error['message'] %>
 
diff --git a/app/views/posts/attributes/_markdown.haml b/app/views/posts/attributes/_markdown.haml
index 325beb5c..8042009f 100644
--- a/app/views/posts/attributes/_markdown.haml
+++ b/app/views/posts/attributes/_markdown.haml
@@ -1,8 +1,8 @@
 .form-group.markdown-content
   = label_tag "#{base}_#{attribute}", post_label_t(attribute, post: post)
+  = render 'posts/attribute_feedback',
+    post: post, attribute: attribute, metadata: metadata
   = text_area_tag "#{base}[#{attribute}]", metadata.value,
     dir: dir, lang: locale,
     **field_options(attribute, metadata, class: 'content')
-  .editor.mt-1
-  = render 'posts/attribute_feedback',
-    post: post, attribute: attribute, metadata: metadata
+  .markdown-editor.mt-1
diff --git a/config/environments/production.rb b/config/environments/production.rb
index c1269fb2..d121bdbd 100644
--- a/config/environments/production.rb
+++ b/config/environments/production.rb
@@ -147,14 +147,7 @@ Rails.application.configure do
   }
   config.action_mailer.default_options = { from: ENV.fetch('DEFAULT_FROM', "noreply@sutty.nl") }
 
-  config.middleware.use ExceptionNotification::Rack,
-                        error_grouping: true,
-                        email: {
-                          email_prefix: '',
-                          sender_address: ENV.fetch('DEFAULT_FROM', "noreply@sutty.nl"),
-                          exception_recipients: ENV.fetch('EXCEPTION_TO', "errors@sutty.nl"),
-                          normalize_subject: true
-                        }
+  config.middleware.use ExceptionNotification::Rack, gitlab: {}
 
   Rails.application.routes.default_url_options[:host] = "panel.#{ENV.fetch('SUTTY', 'sutty.nl')}"
   Rails.application.routes.default_url_options[:protocol] = 'https'
diff --git a/config/puma.rb b/config/puma.rb
index 60ee5ecc..414507ed 100644
--- a/config/puma.rb
+++ b/config/puma.rb
@@ -26,7 +26,7 @@ if ENV['RAILS_ENV'] == 'production'
   bind 'tcp://[::]:3100'
 else
   sutty = ENV.fetch('SUTTY', 'sutty.local')
-  bind "ssl://[::]:3000?key=../sutty.local/domain/#{sutty}.key&cert=../sutty.local/domain/#{sutty}.crt"
+  bind "ssl://[::]:3000?key=/etc/ssl/private/#{sutty}.key&cert=/etc/ssl/certs/#{sutty}.crt"
 end
 
 # Specifies the `environment` that Puma will run in.
diff --git a/config/webpacker.yml b/config/webpacker.yml
index 25519907..d555770d 100644
--- a/config/webpacker.yml
+++ b/config/webpacker.yml
@@ -56,8 +56,8 @@ development:
   # Reference: https://webpack.js.org/configuration/dev-server/
   dev_server:
     https:
-      key: '../sutty.local/domain/sutty.local.key'
-      cert: '../sutty.local/domain/sutty.local.crt'
+      key: '/etc/ssl/private/sutty.local.key'
+      cert: '/etc/ssl/certs/sutty.local.crt'
     # XXX: esto está hardcodeado, debería conseguirlo del ENV
     host: sutty.local
     port: 3035
diff --git a/ota.sh b/ota.sh
new file mode 100755
index 00000000..68a0642f
--- /dev/null
+++ b/ota.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+set -e
+
+cd /srv/http
+
+for patch in /tmp/patches-${1}/*.patch; do
+  su -c "patch -Np 1 -i ${patch}" app && rm $patch
+done
+
+cat tmp/puma.pid | xargs -r kill -USR2
diff --git a/test/models/post_test.rb b/test/models/post_test.rb
index f98d7af3..52e59a8e 100644
--- a/test/models/post_test.rb
+++ b/test/models/post_test.rb
@@ -110,7 +110,6 @@ class PostTest < ActiveSupport::TestCase
   end
 
   test 'se puede cambiar la fecha' do
-    assert_not @post.date.changed?
     assert @post.date.valid?
 
     ex_date = @post.date.value