Merge pull request #477 from codecrafters-io/andy/upgrade-ruby

Update Ruby to 3.4

Author: andy1li

compiled_starters/ruby/README.md

@@ -26,7 +26,7 @@ That's all!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `ruby (2.7)` installed locally
+1. Ensure you have `ruby (3.4)` installed locally
 1. Run `./your_program.sh` to run your Redis server, which is implemented in
    `app/server.rb`.
 1. Commit your changes and run `git push origin master` to submit your solution

compiled_starters/ruby/codecrafters.yml

@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Ruby version used to run your code
 # on Codecrafters.
 #
-# Available versions: ruby-3.3
-buildpack: ruby-3.3
+# Available versions: ruby-3.4
+buildpack: ruby-3.4

dockerfiles/ruby-3.4.Dockerfile

@@ -0,0 +1,19 @@
+# syntax=docker/dockerfile:1.7-labs
+FROM ruby:3.4-alpine3.23
+
+# Required for installing the json/async gems
+RUN apk add --no-cache \
+    build-base~=0.5 \
+    libssl3~=3.5 \
+    readline-dev~=8.3 \
+    zlib-dev~=1.3
+
+# Re-build if Gemfile or Gemfile.lock changes
+ENV CODECRAFTERS_DEPENDENCY_FILE_PATHS="Gemfile,Gemfile.lock"
+
+WORKDIR /app
+
+# .git & README.md are unique per-repository. We ignore them on first copy to prevent cache misses
+COPY --exclude=.git --exclude=README.md . /app
+
+RUN bundle install --verbose

solutions/ruby/01-jm1/code/README.md

@@ -26,7 +26,7 @@ That's all!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `ruby (2.7)` installed locally
+1. Ensure you have `ruby (3.4)` installed locally
 1. Run `./your_program.sh` to run your Redis server, which is implemented in
    `app/server.rb`.
 1. Commit your changes and run `git push origin master` to submit your solution

solutions/ruby/01-jm1/code/codecrafters.yml

@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Ruby version used to run your code
 # on Codecrafters.
 #
-# Available versions: ruby-3.3
-buildpack: ruby-3.3
+# Available versions: ruby-3.4
+buildpack: ruby-3.4

solutions/ruby/02-rg2/code/README.md

@@ -26,7 +26,7 @@ That's all!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `ruby (2.7)` installed locally
+1. Ensure you have `ruby (3.4)` installed locally
 1. Run `./your_program.sh` to run your Redis server, which is implemented in
    `app/server.rb`.
 1. Commit your changes and run `git push origin master` to submit your solution

solutions/ruby/02-rg2/code/codecrafters.yml

@@ -7,5 +7,5 @@ debug: false
 # Use this to change the Ruby version used to run your code
 # on Codecrafters.
 #
-# Available versions: ruby-3.3
-buildpack: ruby-3.3
+# Available versions: ruby-3.4
+buildpack: ruby-3.4

starter_templates/ruby/config.yml

@@ -1,3 +1,3 @@
 attributes:
-  required_executable: ruby (2.7)
+  required_executable: ruby (3.4)
   user_editable_file: app/server.rb