Update to ruby 3.3 completely

.devcontainer/Dockerfile

@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.4
 
-ARG RUBY_VERSION=3.2
+ARG RUBY_VERSION=3.3
 
 FROM ruby:${RUBY_VERSION}-alpine
 

.github/workflows/docker.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-22.04
     env:
       RUBYGEMS_VERSION: 3.5.3
-      RUBY_VERSION: 3.2.2
+      RUBY_VERSION: 3.3.0
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
       - name: Set up Docker Buildx

.github/workflows/test.yml

@@ -29,15 +29,12 @@ jobs:
             version: "3.5.3"
           - name: latest
             version: latest
-        ruby_version: ["3.2.2", "3.3.0"]
+        ruby_version: ["3.3.0"]
         tests:
           - name: general
             command: test
           - name: system
             command: test:system
-        exclude:
-          - ruby_version: "3.3.0"
-            rubygems: { name: latest, version: latest }
     name: Rails tests ${{ matrix.tests.name }} (RubyGems ${{ matrix.rubygems.name }}, Ruby ${{ matrix.ruby_version }})
     runs-on: ubuntu-22.04
     env:

.rubocop.yml

@@ -13,7 +13,7 @@ AllCops:
     - !ruby/regexp /(vendor|bundle|bin|db|tmp|server)\/.*/
   DisplayCopNames: true
   DisplayStyleGuide: true
-  TargetRubyVersion: 3.2
+  TargetRubyVersion: 3.3
   NewCops: enable
 
 Rails:

.ruby-version

@@ -1 +1 @@
-3.2.2
+3.3.0

CONTRIBUTING.md

@@ -114,10 +114,10 @@ Follow the instructions below on how to install Bundler and setup the database.
 
 ### Installing ruby, gem dependencies, and setting up the database
 
-* Use Ruby 3.2.x
+* Use Ruby 3.3.x
   * See: [Ruby install instructions](https://www.ruby-lang.org/en/downloads/).
   * `.ruby-version` is present and can be used.
-* Use Rubygems 3.3.x
+* Use Rubygems 3.5.x
 * Install bundler:
   `gem install bundler`
 * Install dependencies and setup the database:

Dockerfile

@@ -1,7 +1,7 @@
 # syntax = docker/dockerfile:1.4
 
 # Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
-ARG RUBY_VERSION=3.2.2
+ARG RUBY_VERSION=3.3.0
 ARG ALPINE_VERSION=3.18
 FROM ruby:$RUBY_VERSION-alpine${ALPINE_VERSION} as base
 
@@ -25,11 +25,7 @@ ENV BUNDLE_APP_CONFIG=".bundle_app_config"
 
 # Update rubygems
 ARG RUBYGEMS_VERSION
-RUN gem update --system ${RUBYGEMS_VERSION} --no-document && \
-  # rubygems-update is completely unused after the `gem update --system` process
-  gem uninstall rubygems-update -x && \
-  # Remove rubygems cache files, they are unused
-  rm -r /usr/local/bundle/cache/ /root/.local/share/gem/
+RUN gem update --system ${RUBYGEMS_VERSION} --no-document
 
 # Throw-away build stage to reduce size of final image
 FROM base as build