Bump jquery-rails from 4.4.0 to 4.5.1

Bumps [jquery-rails](https://github.com/rails/jquery-rails) from 4.4.0 to 4.5.1.
- [Release notes](https://github.com/rails/jquery-rails/releases)
- [Changelog](https://github.com/rails/jquery-rails/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/jquery-rails/compare/v4.4.0...v4.5.1)

---
updated-dependencies:
- dependency-name: jquery-rails
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.yml

@@ -0,0 +1,7 @@
+version: 2
+updates:
+- package-ecosystem: bundler
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby: ['2.5', '2.6', '2.7']
+        ruby: ['2.7', '3.0', '3.1']
     steps:
       - uses: actions/checkout@v2
       - name: Set up Ruby ${{ matrix.ruby }}
@@ -17,7 +17,7 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - name: Set up Node
-        uses: actions/setup-node@v2-beta
+        uses: actions/setup-node@v2
         with:
           node-version: '14'
       - name: Install dependencies

Gemfile

@@ -2,9 +2,11 @@ source 'https://rubygems.org'
 
 
 # Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
-gem 'rails', '6.0.3.4'
+gem 'rails', '7.0.4'
+# Use Puma as the app server
+gem 'puma', '~> 6.0'
 # Use sqlite3 as the database for Active Record
-gem 'sqlite3', '~> 1.4.1'
+gem 'sqlite3', '~> 1.5.3'
 
 gem 'mysql2', '~> 0.5.2', group: :production
 
@@ -19,39 +21,38 @@ gem 'coffee-rails', '~> 5.0.0'
 # See https://github.com/sstephenson/execjs#readme for more supported runtimes
 # gem 'therubyracer',  platforms: :ruby
 
-gem 'rails-i18n', '~> 6.0.0'
+gem 'rails-i18n', '~> 7.0.6'
 
 gem 'rails-controller-testing'
 
 gem 'webmock', group: :test
 
 # Use jquery as the JavaScript library
-gem 'jquery-rails', '~> 4.4.0'
+gem 'jquery-rails', '~> 4.5.1'
 # Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
 gem 'turbolinks', '~> 5.2.1'
 # Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
-gem 'jbuilder', '~> 2.10.1'
+gem 'jbuilder', '~> 2.11.3'
 # bundle exec rake doc:rails generates the API under doc/api.
-gem 'sdoc', '~> 2.0.2',          group: :doc
+gem 'sdoc', '~> 2.4.0',          group: :doc
 
-gem 'web-console', '~> 4.1.0', group: :development
+gem 'web-console', '~> 4.2.0', group: :development
+gem 'listen', '~> 3.7.0', group: :development
 
-# Use Codacy for coverage
-gem 'codacy-coverage', :require => false
-
-gem 'bootstrap', '~> 4.5.3'
-gem "bootstrap_form", "~> 4.5"
-gem 'font-awesome-sass', '~> 5.15.1'
+gem 'bootstrap', '~> 5.1.3'
+gem "bootstrap_form", "~> 5.0"
+gem 'font-awesome-sass', '~> 6.2.1'
 
 # Use Diffy for showing translation diffs
 gem 'diffy'
 gem 'diff-lcs'
 
-gem 'will_paginate', '~> 3.3.0'
+gem 'will_paginate', '~> 3.3.1'
 gem 'will_paginate-bootstrap4', '~> 0.2.2'
 
-gem 'devise', '~> 4.7.3'
+gem 'devise', '~> 4.8.0'
 gem 'omniauth'
+gem 'omniauth-rails_csrf_protection'
 gem 'omniauth-github'
 
 # Use ActiveModel has_secure_password
@@ -68,3 +69,10 @@ gem 'omniauth-github'
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]
+
+# Silence net protocol warnings
+# See https://github.com/rails/rails/pull/44175
+gem 'net-http'
+gem 'uri', '0.10.0'
+gem 'strscan', '3.0.1'
+gem 'stringio', '3.0.5'

Gemfile.lock

@@ -1,79 +1,87 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (6.0.3.4)
-      actionpack (= 6.0.3.4)
+    actioncable (7.0.4)
+      actionpack (= 7.0.4)
+      activesupport (= 7.0.4)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailbox (6.0.3.4)
-      actionpack (= 6.0.3.4)
-      activejob (= 6.0.3.4)
-      activerecord (= 6.0.3.4)
-      activestorage (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
+    actionmailbox (7.0.4)
+      actionpack (= 7.0.4)
+      activejob (= 7.0.4)
+      activerecord (= 7.0.4)
+      activestorage (= 7.0.4)
+      activesupport (= 7.0.4)
       mail (>= 2.7.1)
-    actionmailer (6.0.3.4)
-      actionpack (= 6.0.3.4)
-      actionview (= 6.0.3.4)
-      activejob (= 6.0.3.4)
+      net-imap
+      net-pop
+      net-smtp
+    actionmailer (7.0.4)
+      actionpack (= 7.0.4)
+      actionview (= 7.0.4)
+      activejob (= 7.0.4)
+      activesupport (= 7.0.4)
       mail (~> 2.5, >= 2.5.4)
+      net-imap
+      net-pop
+      net-smtp
       rails-dom-testing (~> 2.0)
-    actionpack (6.0.3.4)
-      actionview (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
-      rack (~> 2.0, >= 2.0.8)
+    actionpack (7.0.4)
+      actionview (= 7.0.4)
+      activesupport (= 7.0.4)
+      rack (~> 2.0, >= 2.2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.2.0)
-    actiontext (6.0.3.4)
-      actionpack (= 6.0.3.4)
-      activerecord (= 6.0.3.4)
-      activestorage (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
+    actiontext (7.0.4)
+      actionpack (= 7.0.4)
+      activerecord (= 7.0.4)
+      activestorage (= 7.0.4)
+      activesupport (= 7.0.4)
+      globalid (>= 0.6.0)
       nokogiri (>= 1.8.5)
-    actionview (6.0.3.4)
-      activesupport (= 6.0.3.4)
+    actionview (7.0.4)
+      activesupport (= 7.0.4)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.1, >= 1.2.0)
-    activejob (6.0.3.4)
-      activesupport (= 6.0.3.4)
+    activejob (7.0.4)
+      activesupport (= 7.0.4)
       globalid (>= 0.3.6)
-    activemodel (6.0.3.4)
-      activesupport (= 6.0.3.4)
-    activerecord (6.0.3.4)
-      activemodel (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
-    activestorage (6.0.3.4)
-      actionpack (= 6.0.3.4)
-      activejob (= 6.0.3.4)
-      activerecord (= 6.0.3.4)
-      marcel (~> 0.3.1)
-    activesupport (6.0.3.4)
+    activemodel (7.0.4)
+      activesupport (= 7.0.4)
+    activerecord (7.0.4)
+      activemodel (= 7.0.4)
+      activesupport (= 7.0.4)
+    activestorage (7.0.4)
+      actionpack (= 7.0.4)
+      activejob (= 7.0.4)
+      activerecord (= 7.0.4)
+      activesupport (= 7.0.4)
+      marcel (~> 1.0)
+      mini_mime (>= 1.1.0)
+    activesupport (7.0.4)
       concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-      zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
+      i18n (>= 1.6, < 2)
+      minitest (>= 5.1)
+      tzinfo (~> 2.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
-    autoprefixer-rails (10.0.2.0)
-      execjs
+    autoprefixer-rails (10.4.2.0)
+      execjs (~> 2)
     bcrypt (3.1.16)
     bindex (0.8.1)
-    bootsnap (1.5.1)
-      msgpack (~> 1.0)
-    bootstrap (4.5.3)
+    bootsnap (1.16.0)
+      msgpack (~> 1.2)
+    bootstrap (5.1.3)
       autoprefixer-rails (>= 9.1.0)
-      popper_js (>= 1.14.3, < 2)
+      popper_js (>= 2.9.3, < 3)
       sassc-rails (>= 2.0.0)
-    bootstrap_form (4.5.0)
+    bootstrap_form (5.0.0)
       actionpack (>= 5.2)
       activemodel (>= 5.2)
     builder (3.2.4)
-    codacy-coverage (2.2.1)
-      simplecov
     coffee-rails (5.0.0)
       coffee-script (>= 2.2.0)
       railties (>= 5.2.0)
@@ -81,94 +89,146 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.1.7)
-    crack (0.4.4)
+    concurrent-ruby (1.2.0)
+    crack (0.4.5)
+      rexml
     crass (1.0.6)
-    devise (4.7.3)
+    devise (4.8.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
       railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
-    diff-lcs (1.4.4)
-    diffy (3.4.0)
-    docile (1.3.2)
-    erubi (1.9.0)
-    execjs (2.7.0)
-    faraday (1.0.0)
+    diff-lcs (1.5.0)
+    diffy (3.4.2)
+    digest (3.1.0)
+    erubi (1.12.0)
+    execjs (2.8.1)
+    faraday (1.9.3)
+      faraday-em_http (~> 1.0)
+      faraday-em_synchrony (~> 1.0)
+      faraday-excon (~> 1.1)
+      faraday-httpclient (~> 1.0)
+      faraday-multipart (~> 1.0)
+      faraday-net_http (~> 1.0)
+      faraday-net_http_persistent (~> 1.0)
+      faraday-patron (~> 1.0)
+      faraday-rack (~> 1.0)
+      faraday-retry (~> 1.0)
+      ruby2_keywords (>= 0.0.4)
+    faraday-em_http (1.0.0)
+    faraday-em_synchrony (1.0.0)
+    faraday-excon (1.1.0)
+    faraday-httpclient (1.0.1)
+    faraday-multipart (1.0.3)
       multipart-post (>= 1.2, < 3)
-    ffi (1.13.1)
-    font-awesome-sass (5.15.1)
-      sassc (>= 1.11)
-    globalid (0.4.2)
-      activesupport (>= 4.2.0)
+    faraday-net_http (1.0.1)
+    faraday-net_http_persistent (1.2.0)
+    faraday-patron (1.0.0)
+    faraday-rack (1.0.0)
+    faraday-retry (1.0.3)
+    ffi (1.15.5)
+    font-awesome-sass (6.2.1)
+      sassc (~> 2.0)
+    globalid (1.0.1)
+      activesupport (>= 5.0)
     hashdiff (1.0.1)
-    hashie (4.1.0)
-    i18n (1.8.5)
+    hashie (5.0.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jbuilder (2.10.1)
+    jbuilder (2.11.5)
+      actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
-    jquery-rails (4.4.0)
+    jquery-rails (4.5.1)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
-    jwt (2.2.1)
-    loofah (2.7.0)
+    jwt (2.3.0)
+    listen (3.7.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    loofah (2.19.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
-    marcel (0.3.3)
-      mimemagic (~> 0.3.2)
+    marcel (1.0.2)
     method_source (1.0.0)
-    mimemagic (0.3.5)
-    mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
-    minitest (5.14.2)
-    msgpack (1.3.3)
-    multi_json (1.14.1)
+    mini_mime (1.1.2)
+    mini_portile2 (2.8.1)
+    minitest (5.17.0)
+    msgpack (1.6.0)
+    multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
     mysql2 (0.5.3)
-    nio4r (2.5.4)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
-    oauth2 (1.4.3)
+    net-http (0.2.0)
+      net-protocol
+      uri
+    net-imap (0.2.3)
+      digest
+      net-protocol
+      strscan
+    net-pop (0.1.1)
+      digest
+      net-protocol
+      timeout
+    net-protocol (0.1.3)
+      timeout
+    net-smtp (0.3.1)
+      digest
+      net-protocol
+      timeout
+    nio4r (2.5.8)
+    nokogiri (1.14.2)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
+    oauth2 (1.4.7)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
       multi_json (~> 1.3)
       multi_xml (~> 0.5)
       rack (>= 1.2, < 3)
-    omniauth (1.9.1)
+    omniauth (2.1.0)
       hashie (>= 3.4.6)
-      rack (>= 1.6.2, < 3)
-    omniauth-github (1.4.0)
-      omniauth (~> 1.5)
-      omniauth-oauth2 (>= 1.4.0, < 2.0)
-    omniauth-oauth2 (1.6.0)
-      oauth2 (~> 1.1)
-      omniauth (~> 1.9)
+      rack (>= 2.2.3)
+      rack-protection
+    omniauth-github (2.0.0)
+      omniauth (~> 2.0)
+      omniauth-oauth2 (~> 1.7.1)
+    omniauth-oauth2 (1.7.2)
+      oauth2 (~> 1.4)
+      omniauth (>= 1.9, < 3)
+    omniauth-rails_csrf_protection (1.0.1)
+      actionpack (>= 4.2)
+      omniauth (~> 2.0)
     orm_adapter (0.5.0)
-    popper_js (1.16.0)
+    popper_js (2.9.3)
+    psych (4.0.6)
+      stringio
     public_suffix (4.0.6)
-    rack (2.2.3)
-    rack-test (1.1.0)
-      rack (>= 1.0, < 3)
-    rails (6.0.3.4)
-      actioncable (= 6.0.3.4)
-      actionmailbox (= 6.0.3.4)
-      actionmailer (= 6.0.3.4)
-      actionpack (= 6.0.3.4)
-      actiontext (= 6.0.3.4)
-      actionview (= 6.0.3.4)
-      activejob (= 6.0.3.4)
-      activemodel (= 6.0.3.4)
-      activerecord (= 6.0.3.4)
-      activestorage (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
-      bundler (>= 1.3.0)
-      railties (= 6.0.3.4)
-      sprockets-rails (>= 2.0.0)
+    puma (6.0.0)
+      nio4r (~> 2.0)
+    racc (1.6.2)
+    rack (2.2.6.2)
+    rack-protection (3.0.3)
+      rack
+    rack-test (2.0.2)
+      rack (>= 1.3)
+    rails (7.0.4)
+      actioncable (= 7.0.4)
+      actionmailbox (= 7.0.4)
+      actionmailer (= 7.0.4)
+      actionpack (= 7.0.4)
+      actiontext (= 7.0.4)
+      actionview (= 7.0.4)
+      activejob (= 7.0.4)
+      activemodel (= 7.0.4)
+      activerecord (= 7.0.4)
+      activestorage (= 7.0.4)
+      activesupport (= 7.0.4)
+      bundler (>= 1.15.0)
+      railties (= 7.0.4)
     rails-controller-testing (1.0.5)
       actionpack (>= 5.0.1.rc1)
       actionview (>= 5.0.1.rc1)
@@ -176,22 +236,29 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.3.0)
-      loofah (~> 2.3)
-    rails-i18n (6.0.0)
+    rails-html-sanitizer (1.5.0)
+      loofah (~> 2.19, >= 2.19.1)
+    rails-i18n (7.0.6)
       i18n (>= 0.7, < 2)
-      railties (>= 6.0.0, < 7)
-    railties (6.0.3.4)
-      actionpack (= 6.0.3.4)
-      activesupport (= 6.0.3.4)
+      railties (>= 6.0.0, < 8)
+    railties (7.0.4)
+      actionpack (= 7.0.4)
+      activesupport (= 7.0.4)
       method_source
-      rake (>= 0.8.7)
-      thor (>= 0.20.3, < 2.0)
-    rake (13.0.1)
-    rdoc (6.2.1)
+      rake (>= 12.2)
+      thor (~> 1.0)
+      zeitwerk (~> 2.5)
+    rake (13.0.6)
+    rb-fsevent (0.11.0)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rdoc (6.4.0)
+      psych (>= 4.0.0)
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
+    rexml (3.2.5)
+    ruby2_keywords (0.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     sassc-rails (2.1.2)
@@ -200,80 +267,86 @@ GEM
       sprockets (> 3.0)
       sprockets-rails
       tilt
-    sdoc (2.0.2)
+    sdoc (2.4.0)
       rdoc (>= 5.0)
-    simplecov (0.18.1)
-      docile (~> 1.1)
-      simplecov-html (~> 0.11.0)
-    simplecov-html (0.11.0)
     sprockets (4.0.2)
       concurrent-ruby (~> 1.0)
       rack (> 1, < 3)
-    sprockets-rails (3.2.2)
-      actionpack (>= 4.0)
-      activesupport (>= 4.0)
+    sprockets-rails (3.4.2)
+      actionpack (>= 5.2)
+      activesupport (>= 5.2)
       sprockets (>= 3.0.0)
-    sqlite3 (1.4.2)
-    thor (1.0.1)
-    thread_safe (0.3.6)
+    sqlite3 (1.5.3)
+      mini_portile2 (~> 2.8.0)
+    stringio (3.0.5)
+    strscan (3.0.1)
+    thor (1.2.1)
     tilt (2.0.10)
+    timeout (0.3.0)
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.8)
-      thread_safe (~> 0.1)
+    tzinfo (2.0.6)
+      concurrent-ruby (~> 1.0)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
+    uri (0.10.0)
     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)
-    webmock (3.10.0)
-      addressable (>= 2.3.6)
+    webmock (3.14.0)
+      addressable (>= 2.8.0)
       crack (>= 0.3.2)
       hashdiff (>= 0.4.0, < 2.0.0)
-    websocket-driver (0.7.3)
+    websocket-driver (0.7.5)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
-    will_paginate (3.3.0)
+    will_paginate (3.3.1)
     will_paginate-bootstrap4 (0.2.2)
       will_paginate (~> 3.0, >= 3.0.0)
-    zeitwerk (2.4.1)
+    zeitwerk (2.6.7)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bootsnap
-  bootstrap (~> 4.5.3)
-  bootstrap_form (~> 4.5)
-  codacy-coverage
+  bootstrap (~> 5.1.3)
+  bootstrap_form (~> 5.0)
   coffee-rails (~> 5.0.0)
-  devise (~> 4.7.3)
+  devise (~> 4.8.0)
   diff-lcs
   diffy
-  font-awesome-sass (~> 5.15.1)
-  jbuilder (~> 2.10.1)
-  jquery-rails (~> 4.4.0)
+  font-awesome-sass (~> 6.2.1)
+  jbuilder (~> 2.11.3)
+  jquery-rails (~> 4.5.1)
+  listen (~> 3.7.0)
   mysql2 (~> 0.5.2)
+  net-http
   omniauth
   omniauth-github
-  rails (= 6.0.3.4)
+  omniauth-rails_csrf_protection
+  puma (~> 6.0)
+  rails (= 7.0.4)
   rails-controller-testing
-  rails-i18n (~> 6.0.0)
+  rails-i18n (~> 7.0.6)
   sassc-rails (~> 2.1.2)
-  sdoc (~> 2.0.2)
-  sqlite3 (~> 1.4.1)
+  sdoc (~> 2.4.0)
+  sqlite3 (~> 1.5.3)
+  stringio (= 3.0.5)
+  strscan (= 3.0.1)
   turbolinks (~> 5.2.1)
   tzinfo-data
   uglifier (~> 4.2.0)
-  web-console (~> 4.1.0)
+  uri (= 0.10.0)
+  web-console (~> 4.2.0)
   webmock
-  will_paginate (~> 3.3.0)
+  will_paginate (~> 3.3.1)
   will_paginate-bootstrap4 (~> 0.2.2)
 
 BUNDLED WITH
-   2.1.4
+   2.3.25

README.md

@@ -2,7 +2,6 @@ Projekt Euler
 =============
 
 ![Build Status](https://github.com/projekteuler/projekteuler/workflows/CI/badge.svg)
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/68921bff5347435f8fff10c1d6872568)](https://www.codacy.com/app/projekteuler/projekteuler)
 
 This is the Ruby on Rails web-app powering [projekteuler.de](https://projekteuler.de).
 It allows visitors to view and suggest German translations of the maths puzzles found on [projecteuler.net](https://projecteuler.net).

app/assets/javascripts/init.coffee

@@ -18,6 +18,6 @@ App.init = ->
 $(document).on "turbolinks:load", ->
   App.init()
 
-$(document).on "click", '#translationTab a[href="#preview"]', ->
+$(document).on "click", '#translationTab button[data-bs-target="#preview"]', ->
   $('#preview .problem-content').html(cm.getValue())
   MathJax.Hub.Queue(["Typeset",MathJax.Hub]);

app/assets/stylesheets/application.css.scss

@@ -17,7 +17,6 @@
 
 @import "bootstrap";
 @import "rails_bootstrap_forms";
-@import "font-awesome-sprockets";
 @import "font-awesome";
 
 .turbolinks-progress-bar {

app/helpers/application_helper.rb

@@ -7,11 +7,8 @@ module ApplicationHelper
     capture do
       flash.each do |msg_type, message|
         concat(content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type)} alert-dismissible", role: 'alert') do
-          concat(content_tag(:button, class: 'close', data: { dismiss: 'alert' }) do
-            concat content_tag(:span, '×'.html_safe, 'aria-hidden' => true)
-            concat content_tag(:span, 'Close', class: 'sr-only')
-          end)
           concat message
+          concat content_tag(:button, "", class: 'btn-close', data: { 'bs-dismiss': 'alert' }, 'aria-label': 'Close')
         end)
       end
       nil
@@ -29,9 +26,8 @@ module ApplicationHelper
   end
 
   def nav_link_to(body, url)
-    nav_options = { class: current_page?(url) ? 'nav-item active': 'nav-item' }
-    content_tag(:li, nav_options) do
-      link_to body, url, class: 'nav-link'
+    content_tag(:li, class: 'nav-item') do
+      link_to body, url, class: current_page?(url) ? 'nav-link active': 'nav-link'
     end
   end
 

app/scrubbers/translation_content_scrubber.rb

@@ -3,7 +3,7 @@ class TranslationContentScrubber < Rails::Html::PermitScrubber
     super
     self.tags = %w( strong em b i p code pre tt samp kbd var sub
         sup dfn cite big small address hr br div span h1 h2 h3 h4 h5 h6 ul ol li dl dt dd abbr
-        acronym a img blockquote del ins table th tr td thead tbody tfoot )
+        acronym a img blockquote del ins table th tr td thead tbody tfoot u )
     self.attributes = %w( href src width height alt cite datetime title class name xml:lang abbr style
         align border cellpadding cellspacing colspan )
   end

app/views/about/index.de.html.erb

@@ -1,4 +1,4 @@
-<div class="jumbotron">
+<div class="bg-light p-5 rounded">
   <h1 class="display-4">Willkommen auf Projekt Euler!</h1>
   <p>Diese Seite ist eine Übersetzung der englischen Rätsel-Webseite <a href="https://projecteuler.net/">projecteuler.net</a>.</p>
   <p class="lead">
@@ -7,26 +7,27 @@
     <% end %>
 </div>
 
-<div class="container">
-  <!-- Example row of columns -->
-  <div class="row">
-    <div class="col-md-4">
+<div class="row g-4 py-5 row-cols-1 row-cols-lg-3">
+  <div class="col d-flex align-items-start">
+    <div>
       <h2>Ansehen</h2>
       <p>Sehen Sie sich die mathematischen Probleme in deutscher Sprache an.</p>
-      <p>
-        <%= link_to problems_path, class: 'btn btn-primary' do %>
-            Zu den Problemen &raquo;
-        <% end %>
-      </p>
+      <%= link_to problems_path, class: 'btn btn-primary' do %>
+          Zu den Problemen &raquo;
+      <% end %>
     </div>
-    <div class="col-md-4">
+  </div>
+  <div class="col d-flex align-items-start">
+    <div>
       <h2>Übersetzen</h2>
       <p>Bisher wurden erst <%= Problem.translated_count %> der <%= Problem.count %> Probleme übersetzt. Helfen Sie mit, Übersetzungen zu erstellen und anzupassen!</p>
     </div>
-    <div class="col-md-4">
+  </div>
+  <div class="col d-flex align-items-start">
+    <div>
       <h2>Verbessern</h2>
       <p>Vermissen Sie eine Funktion auf der Webseite, oder ist Ihnen ein Fehler aufgefallen? Dann helfen Sie beim Entwickeln der Webseite in Ruby on Rails!</p>
-      <p><a class="btn btn-primary" href="https://github.com/projekteuler/projekteuler" target="_blank">Projekt Euler auf GitHub &raquo;</a></p>
+      <a class="btn btn-primary" href="https://github.com/projekteuler/projekteuler" target="_blank">Projekt Euler auf GitHub &raquo;</a>
     </div>
   </div>
 </div>

app/views/layouts/_header.html.erb

@@ -1,44 +1,46 @@
 <nav class="navbar navbar-expand-lg navbar-light bg-light">
   <div class="container">
-    <%= link_to t('application.site_title'), root_path, class: 'navbar-brand' %>
-    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+    <%= link_to root_path, class: 'navbar-brand' do %>
+      <%= image_tag "favicon.ico", alt: "", width: 24, height: 24, class: "d-inline-block align-text-top" %> <%= t('application.site_title') %>
+  <% end %>
+    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
       <span class="navbar-toggler-icon">
         <%= icon('fas', 'bars') %>
       </span>
     </button>
     <div class="collapse navbar-collapse" id="navbarSupportedContent">
-        <ul class="navbar-nav mr-auto">
-            <%= nav_link_to t('application.info'), about_info_path %>
-            <%= nav_link_to Problem.model_name.human(count: 2), problems_path %>
-            <% if user_signed_in? and current_user.admin? %>
-                <%= nav_link_to t('admin.dashboard.index.administration'), admin_dashboard_index_path %>
-                <%= link_to admin_translations_path, class: 'nav-link' do %>
-                  <%= t('admin.dashboard.index.translations') %> <span class="badge badge-secondary"><%= Translation.pending.count %></span>
-                <% end %>
-            <% end %>
-        </ul>
-        <ul class="navbar-nav">
-          <% if user_signed_in? %>
-            <li class="nav-item">
-              <span class="navbar-text"><%= t 'application.logged_in_as_html', name: current_user.name %>
-                <% if current_user.admin? %>
-                  <b><%= icon('fas', 'star') %></b>
-                <% end %>
-              </span>
-            </li>
-            <li class="nav-item">
-              <%= link_to t('application.sign_out'), destroy_user_session_path, method: :delete, class: 'nav-link' %>
-            </li>
-          <% else %>
-            <li class="nav-item">
-              <% if Rails.env.development? %>
-                <%= link_to t('application.sign_in_with_github'), user_developer_omniauth_authorize_path, class: 'nav-link' %>
-              <% else %>
-                <%= link_to t('application.sign_in_with_github'), user_github_omniauth_authorize_path, class: 'nav-link' %>
+      <ul class="navbar-nav me-auto">
+          <%= nav_link_to t('application.info'), about_info_path %>
+          <%= nav_link_to Problem.model_name.human(count: 2), problems_path %>
+          <% if user_signed_in? and current_user.admin? %>
+              <%= nav_link_to t('admin.dashboard.index.administration'), admin_dashboard_index_path %>
+              <%= link_to admin_translations_path, class: 'nav-link' do %>
+                <%= t('admin.dashboard.index.translations') %> <span class="badge bg-secondary"><%= Translation.pending.count %></span>
               <% end %>
-            </li>
           <% end %>
+      </ul>
+      <% if user_signed_in? %>
+        <span class="navbar-text"><%= t 'application.logged_in_as_html', name: current_user.name %>
+          <% if current_user.admin? %>
+            <b><%= icon('fas', 'star') %></b>
+          <% end %>
+        </span>
+      <ul class="navbar-nav">
+        <li class="nav-item">
+          <%= link_to t('application.sign_out'), destroy_user_session_path, method: :delete, class: 'nav-link' %>
+        </li>
+      </ul>
+      <% else %>
+        <ul class="navbar-nav">
+          <li class="nav-item">
+            <% if Rails.env.development? %>
+              <%= link_to t('application.sign_in_with_github'), user_developer_omniauth_authorize_path, method: :post, class: 'nav-link' %>
+            <% else %>
+              <%= link_to t('application.sign_in_with_github'), user_github_omniauth_authorize_path, method: :post, class: 'nav-link' %>
+            <% end %>
+          </li>
         </ul>
+      <% end %>
     </div>
   </div>
 </nav>

app/views/translations/_form.html.erb

@@ -2,10 +2,10 @@
   <%= f.text_field :title %>
   <ul class="nav nav-tabs" id="translationTab" role="tablist">
     <li class="nav-item">
-      <%= link_to t('.source_code'), '#source', data: {toggle: 'tab'}, class:'nav-link active', id:'source-tab', role:'tab', 'aria-controls':'source', 'aria-selected':'true' %>
+      <button class="nav-link active" id="source-tab" data-bs-toggle="tab" data-bs-target="#source" type="button" role="tab" aria-controls="source" aria-selected="true"><%= t('.source_code') %></button>
     </li>
     <li class="nav-item">
-      <%= link_to t('.preview'), '#preview', data: {toggle: 'tab'}, class:'nav-link', id:'preview-tab', role:'tab', 'aria-controls':'preview', 'aria-selected':'false' %>
+      <button class="nav-link" id="preview-tab" data-bs-toggle="tab" data-bs-target="#preview" type="button" role="tab" aria-controls="preview" aria-selected="false"><%= t('.preview') %></button>
     </li>
   </ul>
   <div class="tab-content" id="translationTabContent">

bin/rails

@@ -1,4 +1,4 @@
 #!/usr/bin/env ruby
-APP_PATH = File.expand_path('../config/application', __dir__)
-require_relative '../config/boot'
-require 'rails/commands'
+APP_PATH = File.expand_path("../config/application", __dir__)
+require_relative "../config/boot"
+require "rails/commands"

bin/rake

@@ -1,4 +1,4 @@
 #!/usr/bin/env ruby
-require_relative '../config/boot'
-require 'rake'
+require_relative "../config/boot"
+require "rake"
 Rake.application.run

bin/setup

@@ -1,36 +1,33 @@
 #!/usr/bin/env ruby
-require 'fileutils'
+require "fileutils"
 
 # path to your application root.
-APP_ROOT = File.expand_path('..', __dir__)
+APP_ROOT = File.expand_path("..", __dir__)
 
 def system!(*args)
   system(*args) || abort("\n== Command #{args} failed ==")
 end
 
 FileUtils.chdir APP_ROOT do
-  # This script is a way to setup or update your development environment automatically.
-  # This script is idempotent, so that you can run it at anytime and get an expectable outcome.
+  # This script is a way to set up or update your development environment automatically.
+  # This script is idempotent, so that you can run it at any time and get an expectable outcome.
   # Add necessary setup steps to this file.
 
-  puts '== Installing dependencies =='
-  system! 'gem install bundler --conservative'
-  system('bundle check') || system!('bundle install')
-
-  # Install JavaScript dependencies
-  # system('bin/yarn')
+  puts "== Installing dependencies =="
+  system! "gem install bundler --conservative"
+  system("bundle check") || system!("bundle install")
 
   # puts "\n== Copying sample files =="
-  # unless File.exist?('config/database.yml')
-  #   FileUtils.cp 'config/database.yml.sample', 'config/database.yml'
+  # unless File.exist?("config/database.yml")
+  #   FileUtils.cp "config/database.yml.sample", "config/database.yml"
   # end
 
   puts "\n== Preparing database =="
-  system! 'bin/rails db:prepare'
+  system! "bin/rails db:prepare"
 
   puts "\n== Removing old logs and tempfiles =="
-  system! 'bin/rails log:clear tmp:clear'
+  system! "bin/rails log:clear tmp:clear"
 
   puts "\n== Restarting application server =="
-  system! 'bin/rails restart'
+  system! "bin/rails restart"
 end

bin/yarn

@@ -1,9 +1,15 @@
 #!/usr/bin/env ruby
 APP_ROOT = File.expand_path('..', __dir__)
 Dir.chdir(APP_ROOT) do
-  begin
-    exec "yarnpkg", *ARGV
-  rescue Errno::ENOENT
+  yarn = ENV["PATH"].split(File::PATH_SEPARATOR).
+    select { |dir| File.expand_path(dir) != __dir__ }.
+    product(["yarn", "yarn.exe"]).
+    map { |dir, file| File.expand_path(file, dir) }.
+    find { |file| File.executable?(file) }
+
+  if yarn
+    exec yarn, *ARGV
+  else
     $stderr.puts "Yarn executable was not detected in the system."
     $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
     exit 1

config.ru

@@ -1,4 +1,6 @@
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('../config/environment',  __FILE__)
+require_relative "config/environment"
+
 run Rails.application
+Rails.application.load_server

config/application.rb

@@ -1,6 +1,6 @@
-require_relative 'boot'
+require_relative "boot"
 
-require 'rails/all'
+require "rails/all"
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -9,12 +9,12 @@ Bundler.require(*Rails.groups)
 module Projekteuler
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 6.0
+    config.load_defaults 7.0
 
-    # Settings in config/environments/* take precedence over those specified here.
-    # Application configuration can go into files in config/initializers
-    # -- all .rb files in that directory are automatically loaded after loading
-    # the framework and any gems in your application.
+    # Configuration for the application, engines, and railties goes here.
+    #
+    # These settings can be overridden in specific environments using the files
+    # in config/environments, which are processed later.
 
     config.action_dispatch.default_headers = {
         'X-Frame-Options' => 'DENY',
@@ -27,7 +27,8 @@ module Projekteuler
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.
-    config.time_zone = 'Berlin'
+    config.time_zone = "Berlin"
+    # config.eager_load_paths << Rails.root.join("extras")
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     config.i18n.load_path += Dir[Rails.root.join('config', 'locales', '**', '*.{rb,yml}').to_s]

config/boot.rb

@@ -1,4 +1,4 @@
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../Gemfile", __dir__)
 
-require 'bundler/setup' # Set up gems listed in the Gemfile.
-require 'bootsnap/setup' # Speed up boot time by caching expensive operations.
+require "bundler/setup" # Set up gems listed in the Gemfile.
+require "bootsnap/setup" # Speed up boot time by caching expensive operations.

config/environment.rb

@@ -1,5 +1,5 @@
 # Load the Rails application.
-require_relative 'application'
+require_relative "application"
 
 # Initialize the Rails application.
 Rails.application.initialize!

config/environments/development.rb

@@ -1,8 +1,10 @@
+require "active_support/core_ext/integer/time"
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
-  # In the development environment your application's code is reloaded on
-  # every request. This slows down response time but is perfect for development
+  # In the development environment your application's code is reloaded any time
+  # it changes. This slows down response time but is perfect for development
   # since you don't have to restart the web server when you make code changes.
   config.cache_classes = false
 
@@ -12,15 +14,18 @@ Rails.application.configure do
   # Show full error reports.
   config.consider_all_requests_local = true
 
+  # Enable server timing
+  config.server_timing = true
+
   # Enable/disable caching. By default caching is disabled.
   # Run rails dev:cache to toggle caching.
-  if Rails.root.join('tmp', 'caching-dev.txt').exist?
+  if Rails.root.join("tmp/caching-dev.txt").exist?
     config.action_controller.perform_caching = true
     config.action_controller.enable_fragment_cache_logging = true
 
     config.cache_store = :memory_store
     config.public_file_server.headers = {
-      'Cache-Control' => "public, max-age=#{2.days.to_i}"
+      "Cache-Control" => "public, max-age=#{2.days.to_i}"
     }
   else
     config.action_controller.perform_caching = false
@@ -39,24 +44,27 @@ Rails.application.configure do
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log
 
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Raise an error on page load if there are pending migrations.
   config.active_record.migration_error = :page_load
 
   # Highlight code that triggered database queries in logs.
   config.active_record.verbose_query_logs = true
 
-  # Debug mode disables concatenation and preprocessing of assets.
-  # This option may cause significant delays in view rendering with a large
-  # number of complex assets.
-  config.assets.debug = true
-
   # Suppress logger output for asset requests.
   config.assets.quiet = true
 
   # Raises error for missing translations.
-  config.action_view.raise_on_missing_translations = true
+  config.i18n.raise_on_missing_translations = true
 
-  # Use an evented file watcher to asynchronously detect changes in source code,
-  # routes, locales, etc. This feature depends on the listen gem.
-  # config.file_watcher = ActiveSupport::EventedFileUpdateChecker
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
+
+  # Uncomment if you wish to allow Action Cable access from any origin.
+  # config.action_cable.disable_request_forgery_protection = true
 end

config/environments/production.rb

@@ -1,3 +1,5 @@
+require "active_support/core_ext/integer/time"
+
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
@@ -20,11 +22,8 @@ Rails.application.configure do
 
   # Disable serving static files from the `/public` folder by default since
   # Apache or NGINX already handles this.
-  config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
+  config.public_file_server.enabled = ENV["RAILS_SERVE_STATIC_FILES"].present?
 
-  # Compress JS using a preprocessor.
-  config.assets.js_compressor = :uglifier
-  
   # Compress CSS using a preprocessor.
   # config.assets.css_compressor = :sass
 
@@ -32,26 +31,26 @@ Rails.application.configure do
   config.assets.compile = false
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
-  # config.action_controller.asset_host = 'http://assets.example.com'
+  # config.asset_host = "http://assets.example.com"
 
   # Specifies the header that your server uses for sending files.
-  # config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
-  # config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
+  # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for Apache
+  # config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" # for NGINX
 
   # Store uploaded files on the local file system (see config/storage.yml for options).
   config.active_storage.service = :local
 
   # Mount Action Cable outside main process or domain.
   # config.action_cable.mount_path = nil
-  # config.action_cable.url = 'wss://example.com/cable'
-  # config.action_cable.allowed_request_origins = [ 'http://example.com', /http:\/\/example.*/ ]
+  # config.action_cable.url = "wss://example.com/cable"
+  # config.action_cable.allowed_request_origins = [ "http://example.com", /http:\/\/example.*/ ]
 
   # Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
   config.force_ssl = true
 
-  # Use the lowest log level to ensure availability of diagnostic information
-  # when problems arise.
-  config.log_level = :debug
+  # Include generic and useful information about system operation, but avoid logging too much
+  # information to avoid inadvertent exposure of personally identifiable information (PII).
+  config.log_level = :info
 
   # Prepend all log lines with the following tags.
   config.log_tags = [ :request_id ]
@@ -71,17 +70,17 @@ Rails.application.configure do
 
   # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
   # the I18n.default_locale when a translation cannot be found).
-  config.i18n.fallbacks = [I18n.default_locale]
+  config.i18n.fallbacks = true
 
-  # Send deprecation notices to registered listeners.
-  config.active_support.deprecation = :notify
+  # Log deprecations.
+  config.active_support.report_deprecations = true
 
   # Use default logging formatter so that PID and timestamp are not suppressed.
   config.log_formatter = ::Logger::Formatter.new
 
   # Use a different logger for distributed setups.
-  # require 'syslog/logger'
-  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new 'app-name')
+  # require "syslog/logger"
+  # config.logger = ActiveSupport::TaggedLogging.new(Syslog::Logger.new "app-name")
 
   if ENV["RAILS_LOG_TO_STDOUT"].present?
     logger           = ActiveSupport::Logger.new(STDOUT)
@@ -91,25 +90,4 @@ Rails.application.configure do
 
   # Do not dump schema after migrations.
   config.active_record.dump_schema_after_migration = false
-
-  # Inserts middleware to perform automatic connection switching.
-  # The `database_selector` hash is used to pass options to the DatabaseSelector
-  # middleware. The `delay` is used to determine how long to wait after a write
-  # to send a subsequent read to the primary.
-  #
-  # The `database_resolver` class is used by the middleware to determine which
-  # database is appropriate to use based on the time delay.
-  #
-  # The `database_resolver_context` class is used by the middleware to set
-  # timestamps for the last write to the primary. The resolver uses the context
-  # class timestamps to determine how long to wait before reading from the
-  # replica.
-  #
-  # By default Rails will store a last write timestamp in the session. The
-  # DatabaseSelector middleware is designed as such you can define your own
-  # strategy for connection switching and pass that into the middleware through
-  # these configuration options.
-  # config.active_record.database_selector = { delay: 2.seconds }
-  # config.active_record.database_resolver = ActiveRecord::Middleware::DatabaseSelector::Resolver
-  # config.active_record.database_resolver_context = ActiveRecord::Middleware::DatabaseSelector::Resolver::Session
 end

config/environments/test.rb

@@ -1,3 +1,5 @@
+require "active_support/core_ext/integer/time"
+
 # The test environment is used exclusively to run your application's
 # test suite. You never need to work with it otherwise. Remember that
 # your test database is "scratch space" for the test suite and is wiped
@@ -5,18 +7,19 @@
 
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
-  
+
+  # Turn false under Spring and add config.action_view.cache_template_loading = true.
   config.cache_classes = true
 
-  # Do not eager load code on boot. This avoids loading your whole application
-  # just for the purpose of running a single test. If you are using a tool that
-  # preloads Rails for running tests, you may have to set it to true.
-  config.eager_load = false
+  # Eager loading loads your whole application. When running a single test locally,
+  # this probably isn't necessary. It's a good idea to do in a continuous integration
+  # system, or in some way before deploying your code.
+  config.eager_load = ENV["CI"].present?
 
   # Configure public file server for tests with Cache-Control for performance.
   config.public_file_server.enabled = true
   config.public_file_server.headers = {
-    'Cache-Control' => "public, max-age=#{1.hour.to_i}"
+    "Cache-Control" => "public, max-age=#{1.hour.to_i}"
   }
 
   # Show full error reports and disable caching.
@@ -43,6 +46,15 @@ Rails.application.configure do
   # Print deprecation notices to the stderr.
   config.active_support.deprecation = :stderr
 
+  # Raise exceptions for disallowed deprecations.
+  config.active_support.disallowed_deprecation = :raise
+
+  # Tell Active Support which deprecation messages to disallow.
+  config.active_support.disallowed_deprecation_warnings = []
+
   # Raises error for missing translations.
-  config.action_view.raise_on_missing_translations = true
+  config.i18n.raise_on_missing_translations = true
+
+  # Annotate rendered view with file names.
+  # config.action_view.annotate_rendered_view_with_filenames = true
 end

config/initializers/assets.rb

@@ -1,9 +1,12 @@
 # Be sure to restart your server when you modify this file.
 
 # Version of your assets, change this if you want to expire all your assets.
-Rails.application.config.assets.version = '1.0'
+Rails.application.config.assets.version = "1.0"
 
 # Add additional assets to the asset load path.
 # Rails.application.config.assets.paths << Emoji.images_path
-# Add Yarn node_modules folder to the asset load path.
-Rails.application.config.assets.paths << Rails.root.join('node_modules')
+
+# Precompile additional assets.
+# application.js, application.css, and all non-JS/CSS in the app/assets
+# folder are already added.
+# Rails.application.config.assets.precompile += %w( admin.js admin.css )

config/initializers/backtrace_silencers.rb

@@ -1,7 +1,8 @@
 # Be sure to restart your server when you modify this file.
 
 # You can add backtrace silencers for libraries that you're using but don't wish to see in your backtraces.
-# Rails.backtrace_cleaner.add_silencer { |line| line =~ /my_noisy_library/ }
+# Rails.backtrace_cleaner.add_silencer { |line| /my_noisy_library/.match?(line) }
 
-# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code.
-# Rails.backtrace_cleaner.remove_silencers!
+# You can also remove all the silencers if you're trying to debug a problem that might stem from framework code
+# by setting BACKTRACE=1 before calling your invocation, like "BACKTRACE=1 ./bin/rails runner 'MyClass.perform'".
+Rails.backtrace_cleaner.remove_silencers! if ENV["BACKTRACE"]

config/initializers/content_security_policy.rb

@@ -4,26 +4,24 @@
 # For further information see the following documentation
 # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy
 
-Rails.application.config.content_security_policy do |policy|
-  policy.default_src :none
-  policy.font_src    :self, 'https://cdnjs.cloudflare.com'
-  policy.img_src     :self, 'https://cdnjs.cloudflare.com', 'https://projecteuler.net'
-  policy.object_src  :none
-  policy.script_src  :self, 'https://cdnjs.cloudflare.com'
-  policy.style_src   :self, :unsafe_inline
-  policy.connect_src :self
+Rails.application.configure do
+  config.content_security_policy do |policy|
+    policy.default_src :none
+    policy.font_src    :self, "https://cdnjs.cloudflare.com"
+    policy.img_src     :self, "https://cdnjs.cloudflare.com", "https://projecteuler.net"
+    policy.object_src  :none
+    policy.script_src  :self, "https://cdnjs.cloudflare.com"
+    policy.style_src   :self, :unsafe_inline
+    policy.connect_src :self
+    # Specify URI for violation reports
+    # policy.report_uri "/csp-violation-report-endpoint"
+  end
 
-  # Specify URI for violation reports
-  # policy.report_uri "/csp-violation-report-endpoint"
+  # Generate session nonces for permitted importmap and inline scripts
+  config.content_security_policy_nonce_generator = ->(request) { request.session.id.to_s }
+  config.content_security_policy_nonce_directives = %w(script-src)
+
+  # Report CSP violations to a specified URI. See:
+  # https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
+  # config.content_security_policy_report_only = true
 end
-
-# If you are using UJS then enable automatic nonce generation
-# Rails.application.config.content_security_policy_nonce_generator = -> request { SecureRandom.base64(16) }
-
-# Set the nonce only to specific directives
-# Rails.application.config.content_security_policy_nonce_directives = %w(script-src)
-
-# Report CSP violations to a specified URI
-# For further information see the following documentation:
-# https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only
-# Rails.application.config.content_security_policy_report_only = true

config/initializers/filter_parameter_logging.rb

@@ -1,4 +1,6 @@
 # Be sure to restart your server when you modify this file.
 
 # Configure sensitive parameters which will be filtered from the log file.
-Rails.application.config.filter_parameters += [:password]
+Rails.application.config.filter_parameters += [
+  :passw, :secret, :token, :_key, :crypt, :salt, :certificate, :otp, :ssn
+]

config/initializers/inflections.rb

@@ -4,13 +4,13 @@
 # are locale specific, and you may define rules for as many different
 # locales as you wish. All of these examples are active by default:
 # ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.plural /^(ox)$/i, '\1en'
-#   inflect.singular /^(ox)en/i, '\1'
-#   inflect.irregular 'person', 'people'
+#   inflect.plural /^(ox)$/i, "\\1en"
+#   inflect.singular /^(ox)en/i, "\\1"
+#   inflect.irregular "person", "people"
 #   inflect.uncountable %w( fish sheep )
 # end
 
 # These inflection rules are supported but not enabled by default:
 # ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.acronym 'RESTful'
+#   inflect.acronym "RESTful"
 # end

config/initializers/permissions_policy.rb

@@ -0,0 +1,11 @@
+# Define an application-wide HTTP permissions policy. For further
+# information see https://developers.google.com/web/updates/2018/06/feature-policy
+#
+Rails.application.config.permissions_policy do |f|
+  f.camera      :none
+  f.gyroscope   :none
+  f.microphone  :none
+  f.usb         :none
+  f.fullscreen  :self
+  f.payment     :none
+end

test/helpers/application_helper_test.rb

@@ -8,6 +8,6 @@ class ApplicationHelperTest < ActionView::TestCase
 
   test "bootstrap flash messages should work" do
     flash[:error] = "Error"
-    assert_equal "<div class=\"alert alert-danger alert-dismissible\" role=\"alert\"><button class=\"close\" data-dismiss=\"alert\"><span aria-hidden=\"true\">&times;</span><span class=\"sr-only\">Close</span></button>Error</div>", flash_messages
+    assert_equal "<div class=\"alert alert-danger alert-dismissible\" role=\"alert\">Error<button class=\"btn-close\" data-bs-dismiss=\"alert\" aria-label=\"Close\"></button></div>", flash_messages
   end
 end

test/integration/translator_flow_test.rb

@@ -8,7 +8,7 @@ class TranslatorFlowTest < ActionDispatch::IntegrationTest
   end
 
   test "can login via github" do
-    get '/users/auth/github'
+    post '/users/auth/github'
     assert_response :redirect
     follow_redirect!
     follow_redirect!

test/test_helper.rb

@@ -1,8 +1,5 @@
-require 'codacy-coverage'
 require 'webmock/minitest'
 
-Codacy::Reporter.start
-
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../../config/environment', __FILE__)
 require 'rails/test_help'