CC-2062: Update Ruby to 3.4

Author: andy1li

compiled_starters/ruby/.codecrafters/run.sh

@@ -8,4 +8,4 @@
 
 set -e # Exit on failure
 
-exec bundle exec ruby app/server.rb "$@"
+exec bundle exec ruby app/main.rb "$@"

compiled_starters/ruby/README.md

@@ -16,7 +16,7 @@ and more.
 
 # Passing the first stage
 
-The entry point for your HTTP server implementation is in `app/server.rb`. Study
+The entry point for your HTTP server implementation is in `app/main.rb`. Study
 and uncomment the relevant code, and push your changes to pass the first stage:
 
 ```sh
@@ -30,8 +30,8 @@ Time to move on to the next stage!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `ruby (3.3)` installed locally
+1. Ensure you have `ruby (3.4)` installed locally
 1. Run `./your_program.sh` to run your program, which is implemented in
-   `app/server.rb`.
+   `app/main.rb`.
 1. Commit your changes and run `git push origin master` to submit your solution
    to CodeCrafters. Test output will be streamed to your terminal.

compiled_starters/ruby/app/main.rb

@@ -0,0 +1,5 @@
+# You can use print statements as follows for debugging, they'll be visible when running tests.
+$stderr.puts "Logs from your program will appear here!"
+
+# Uncomment this block to pass the first stage
+# puts "Implement code here!"

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

compiled_starters/ruby/your_program.sh

@@ -12,4 +12,4 @@ set -e # Exit early if any commands fail
 #
 # - Edit this to change how your program runs locally
 # - Edit .codecrafters/run.sh to change how your program runs remotely
-exec bundle exec ruby app/server.rb "$@"
+exec bundle exec ruby app/main.rb "$@"

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-at4/code/.codecrafters/run.sh

@@ -8,4 +8,4 @@
 
 set -e # Exit on failure
 
-exec bundle exec ruby app/server.rb "$@"
+exec bundle exec ruby app/main.rb "$@"

solutions/ruby/01-at4/code/README.md

@@ -16,7 +16,7 @@ and more.
 
 # Passing the first stage
 
-The entry point for your HTTP server implementation is in `app/server.rb`. Study
+The entry point for your HTTP server implementation is in `app/main.rb`. Study
 and uncomment the relevant code, and push your changes to pass the first stage:
 
 ```sh
@@ -30,8 +30,8 @@ Time to move on to the next stage!
 
 Note: This section is for stages 2 and beyond.
 
-1. Ensure you have `ruby (3.3)` installed locally
+1. Ensure you have `ruby (3.4)` installed locally
 1. Run `./your_program.sh` to run your program, which is implemented in
-   `app/server.rb`.
+   `app/main.rb`.
 1. Commit your changes and run `git push origin master` to submit your solution
    to CodeCrafters. Test output will be streamed to your terminal.

solutions/ruby/01-at4/code/app/main.rb

@@ -0,0 +1,2 @@
+# Uncomment this block to pass the first stage
+# puts "Implement code here!"

solutions/ruby/01-at4/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