fix: upgrade dependencies

Author: exKAZUu

.gitignore

@@ -1,4 +1,5 @@
 .idea/
+.DS_store
 *.rbc
 capybara-*.html
 /log

.ruby-version

@@ -1 +1 @@
-2.7.3
+3.1.4

Dockerfile-rails

@@ -1,12 +1,6 @@
-FROM ruby:2.7.3
+FROM ruby:3.1.4
 
-RUN curl -sL https://deb.nodesource.com/setup_9.x | bash -
-RUN apt-get update -qq && apt-get install -y build-essential libpq-dev postgresql-client npm
-RUN npm install -g yarn n
-
-# To install the specific version of Node.js
-RUN n 12.16
-RUN apt purge -y npm && apt autoremove -y
+RUN apt-get update -qq && apt-get install -y build-essential libpq-dev postgresql-client nodejs npm
 
 WORKDIR /app
 
@@ -15,7 +9,7 @@ ADD Gemfile.lock Gemfile.lock
 RUN bundle install
 
 ADD package.json package.json
-RUN yarn
+RUN npm i
 
 ADD . /app
-RUN yarn dev-build
+RUN npm run dev-build

Gemfile

@@ -67,4 +67,4 @@ end
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: %i[mingw mswin x64_mingw jruby]
 
-ruby '2.7.3'
+ruby '3.1.4'