Root path reserved for home + image CircleCI (#3930)

* enable validator: root path is reserved for home

* replace circleci image

Author: SebouChu

.circleci/config.yml

@@ -4,7 +4,7 @@ version: 2.1
 jobs:
   build:
     docker:
-      - image: cimg/ruby:4.0.2-node
+      - image: noesya/cimg-ruby-activestorage-preview:4.0.2
         environment:
           RAILS_ENV: test
           RACK_ENV: test
@@ -26,13 +26,6 @@ jobs:
           keys:
             - v1-dependencies-{{ checksum "Gemfile.lock" }}
 
-      # Install binaries for Active Storage Previews
-      - run:
-          name: Install binaries for Active Storage Previews
-          command: |
-            sudo apt-get update
-            sudo apt-get install ffmpeg poppler-utils libvips-dev -y
-
       # Bundler configuration
       - run:
           name: Configure Bundler

app/models/communication/website/permalink.rb

@@ -38,7 +38,7 @@ class Communication::Website::Permalink < ApplicationRecord
 
   validates :path, presence: true
   validates :path, uniqueness: { scope: :website_id }, unless: :is_current
-  # TODO: validate :root_path_is_reserved_for_home
+  validate :root_path_is_reserved_for_home
 
   before_validation :set_university, on: :create
   # We should not sync the about object whenever we do something with the permalink, as they can be changed during a sync.