Dropped support for Ruby <2.7.

Signed-off-by: Hermann Mayer <[email protected]>

.github/workflows/documentation.yml

@@ -17,9 +17,9 @@ jobs:
       - name: Install the correct Ruby version
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 2.7
           bundler-cache: true
-          rubygems: '3.3.26'
+          rubygems: '3.4.22'
 
       - name: Prepare the virtual environment
         uses: hausgold/actions/ci@master

.github/workflows/release.yml

@@ -20,12 +20,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install Ruby 2.5
+      - name: Install Ruby 2.7
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.5
+          ruby-version: 2.7
           bundler-cache: true
-          rubygems: '3.3.26'
+          rubygems: '3.4.22'
 
       - name: Prepare the virtual environment
         uses: hausgold/actions/ci@master

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: ['2.5', '2.7']
+        ruby: ['2.7']
         rails: ['5.2']
     env:
       BUNDLE_GEMFILE: 'gemfiles/rails_${{ matrix.rails }}.gemfile'
@@ -30,7 +30,7 @@ jobs:
         with:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
-          rubygems: '3.3.26'
+          rubygems: '3.4.22'
 
       - name: Prepare the virtual environment
         uses: hausgold/actions/ci@master

.rubocop.yml

@@ -12,7 +12,7 @@ AllCops:
   NewCops: enable
   SuggestExtensions: false
   DisplayCopNames: true
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.7
   TargetRailsVersion: 5.2
   Exclude:
     - bin/**/*
@@ -65,9 +65,3 @@ RSpec/FilePath:
 # Because we just implemented the ActiveRecord API.
 Rails/SkipsModelValidations:
   Enabled: false
-
-# Because Rubocop does not respect the `TargetRubyVersion: 2.5` for this cop,
-# so it converts to `then` which is not yet available on Ruby 2.5 which causes
-# `NoMethodError` errors. NOTE: Remove when Ruby 2.5 support is dropped.
-Style/ObjectThen:
-  Enabled: false

CHANGELOG.md

@@ -1,7 +1,8 @@
 ### next
 
+* Dropped support for Ruby <2.7 (#38)
 * Moved the schema file validation into the retry block for parallel execution
-  (#36)
+  (#37)
 * Updated the [Kafka Playground](./doc/kafka-playground) to the latest
   Apache Kafka (3.7) and Schema Registry (7.6) versions (#35)
 

Dockerfile

@@ -1,8 +1,8 @@
-FROM hausgold/ruby:2.5
+FROM hausgold/ruby:2.7
 MAINTAINER Hermann Mayer <[email protected]>
 
 # Update system gem
-RUN gem update --system '3.3.26'
+RUN gem update --system '3.4.22'
 
 # Install system packages and the latest bundler
 RUN apt-get update -yqqq && \
@@ -11,7 +11,7 @@ RUN apt-get update -yqqq && \
     ca-certificates \
     bash-completion inotify-tools && \
   echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && /usr/sbin/locale-gen && \
-  gem install bundler -v '~> 2.3.0' --no-document --no-prerelease
+  gem install bundler -v '~> 2.4.22' --no-document --no-prerelease
 
 # Add new web user
 RUN mkdir /app && \

Makefile

@@ -116,7 +116,7 @@ test-style: \
 test-style-ruby:
 	# Run the static code analyzer (rubocop)
 	@$(call run-shell,$(BUNDLE) exec $(RUBOCOP) -a \
-		|| ($(TEST) $$($(RUBY_VERSION)) != '2.5' && true))
+		|| ($(TEST) $$($(RUBY_VERSION)) != '2.7' && true))
 
 clean:
 	# Clean the dependencies

doc/kafka-playground/Dockerfile

@@ -1,8 +1,8 @@
-FROM hausgold/ruby:2.5
+FROM hausgold/ruby:2.7
 MAINTAINER Hermann Mayer <[email protected]>
 
 # Update system gem
-RUN gem update --system '3.3.26'
+RUN gem update --system '3.4.22'
 
 # Add backports repository
 RUN echo 'deb http://archive.debian.org/debian buster-backports main' \
@@ -18,7 +18,7 @@ RUN apt-get update -yqqq && \
     ca-certificates jq curl cmake \
     bash-completion inotify-tools && \
   echo 'en_US.UTF-8 UTF-8' >> /etc/locale.gen && /usr/sbin/locale-gen && \
-  gem install bundler -v '~> 2.3.0' --no-document --no-prerelease
+  gem install bundler -v '~> 2.4.22' --no-document --no-prerelease
 
 # Install kcat (formerly known as kafkacat)
 RUN curl -sL https://github.com/edenhill/kcat/archive/refs/tags/1.7.0.tar.gz \

doc/kafka-playground/README.md

@@ -84,7 +84,7 @@ working Apache Kafka setup which includes the following:
 * [Lenses.io Schema Registry
   UI](https://github.com/lensesio/schema-registry-ui), you can access it via
   mDNS at http://schema-registry-ui.playground.local
-* A Ruby 2.5 enabled playground container with configured Rimless support
+* A Ruby 2.7 enabled playground container with configured Rimless support
 
 ## Examples
 

doc/kafka-playground/config/environment.rb

@@ -32,7 +32,7 @@
 # (Avahi, libnss[-mdns]). The default resolver of +Resolv+ does not include the
 # mDNS stack so we have to reconfigure it here for local usage only.
 #
-# See: https://docs.ruby-lang.org/en/2.5.0/Resolv.html
+# See: https://docs.ruby-lang.org/en/2.7.0/Resolv.html
 require 'resolv'
 Resolv::DefaultResolver.replace_resolvers(
   [

rimless.gemspec

@@ -33,7 +33,7 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ['lib']
 
-  spec.required_ruby_version = '>= 2.5'
+  spec.required_ruby_version = '>= 2.7'
 
   spec.add_runtime_dependency 'activesupport', '>= 5.2'
   spec.add_runtime_dependency 'avro_turf', '~> 0.11.0'